mirror of
https://github.com/vladmandic/automatic
synced 2026-09-19 17:24:32 +02:00
@@ -0,0 +1,99 @@
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# based on <https://huggingface.co/fancyfeast/llama-joycaption-alpha-two-hf-llava>
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from dataclasses import dataclass
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import torch
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from transformers import AutoProcessor, LlavaForConditionalGeneration
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from modules import shared, devices
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"""
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Example prompts
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Short description: Write a short description of the image.
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Detailed descriptive: Please provide a detailed description of the image.
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Descriptive: Write a descriptive caption for this image in a formal tone.
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Descriptive (Informal): Write a descriptive caption for this image in a casual tone.
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Training Prompt: Write a stable diffusion prompt for this image.
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MidJourney: Write a MidJourney prompt for this image.
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Booru tag list: Write a list of Booru tags for this image.
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Booru-like tag list: Write a list of Booru-like tags for this image.
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Art Critic: Analyze this image like an art critic would with information about its composition, style, symbolism, the use of color, light, any artistic movement it might belong to, etc.
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Product Listing: Write a caption for this image as though it were a product listing.
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Social Media Post: Write a caption for this image as if it were being used for a social media post.
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Extra Options:
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- If there is a person/character in the image you must refer to them as {name}.
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- Do NOT include information about people/characters that cannot be changed (like ethnicity, gender, etc), but do still include changeable attributes (like hair style).
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- Include information about lighting.
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- Include information about camera angle.
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- Include information about whether there is a watermark or not.
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- Include information about whether there are JPEG artifacts or not.
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- If it is a photo you MUST include information about what camera was likely used and details such as aperture, shutter speed, ISO, etc.
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- Do NOT include anything sexual; keep it PG.
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- Do NOT mention the image's resolution.
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- You MUST include information about the subjective aesthetic quality of the image from low to very high.
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- Include information on the image's composition style, such as leading lines, rule of thirds, or symmetry.
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- Do NOT mention any text that is in the image.
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- Specify the depth of field and whether the background is in focus or blurred.
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- If applicable, mention the likely use of artificial or natural lighting sources.
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- Do NOT use any ambiguous language.
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- Include whether the image is sfw, suggestive, or nsfw.
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- ONLY describe the most important elements of the image.
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"""
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@dataclass
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class JoyOptions():
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repo: str = "fancyfeast/llama-joycaption-alpha-two-hf-llava"
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temp: float = 0.5
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top_k: float = 10
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top_p: float = 0.9
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max_new_tokens: int = 512
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sample: bool = True
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def __str__(self):
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return f'repo="{self.repo}" temp={self.temp} top_k={self.top_k} top_p={self.top_p} sample={self.sample} tokens={self.max_new_tokens}'
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processor: AutoProcessor = None
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llava_model: LlavaForConditionalGeneration = None
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opts = JoyOptions()
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@torch.no_grad()
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def predict(question: str, image):
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global llava_model, processor # pylint: disable=global-statement
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opts.max_new_tokens = shared.opts.interrogate_vlm_max_length
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if llava_model is None:
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shared.log.info(f'Interrogate: type=vlm model="JoyCaption" {str(opts)}')
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processor = AutoProcessor.from_pretrained(opts.repo)
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llava_model = LlavaForConditionalGeneration.from_pretrained(opts.repo, torch_dtype=devices.dtype, device_map="auto", cache_dir=shared.opts.hfcache_dir)
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llava_model.eval()
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if len(question) < 2:
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question = "Describe the image."
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question = question.replace('<', '').replace('>', '')
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convo = [
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{ "role": "system", "content": "You are a helpful image captioner." },
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{ "role": "user", "content": question },
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]
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convo_string = processor.apply_chat_template(convo, tokenize=False, add_generation_prompt=True)
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inputs = processor(text=[convo_string], images=[image], return_tensors="pt").to(devices.device) # Process the inputs
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inputs['pixel_values'] = inputs['pixel_values'].to(devices.dtype)
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llava_model = llava_model.to(devices.device)
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with devices.inference_context():
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generate_ids = llava_model.generate( # Generate the captions
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**inputs,
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# input_ids=inputs['input_ids'],
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# pixel_values=inputs['pixel_values'],
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# attention_mask=inputs['attention_mask'],
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max_new_tokens=opts.max_new_tokens,
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suppress_tokens=None,
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use_cache=True,
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do_sample=opts.sample,
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temperature=opts.temp,
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top_k=opts.top_k,
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top_p=opts.top_p,
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)[0]
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generate_ids = generate_ids[inputs['input_ids'].shape[1]:] # Trim off the prompt
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caption = processor.tokenizer.decode(generate_ids, skip_special_tokens=True, clean_up_tokenization_spaces=False) # Decode the caption
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llava_model = llava_model.to(devices.cpu)
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caption = caption.replace('\n\n', '\n').strip()
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return caption
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+13
-161
@@ -71,33 +71,24 @@ MODEL_CONFIGS = {
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# random_resize_method = true
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# total_labels = 6549
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'SWModel1': {'class': 'ViT', 'num_blocks': 12, 'patch_size': 16, 'd_model': 768, 'mlp_dim': 768*4, 'num_heads': 12, 'stochdepth_rate': 0.05, 'use_sine': False},
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# Sinusoidal positional embeddings
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'SWModel2': {'class': 'ViT', 'num_blocks': 12, 'patch_size': 16, 'd_model': 768, 'mlp_dim': 768*4, 'num_heads': 12, 'stochdepth_rate': 0.05, 'use_sine': True},
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# Sinusoidal positional embeddings + 224 image size + L/14
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'SWModel3': {'class': 'ViT', 'num_blocks': 24, 'patch_size': 14, 'd_model': 1024, 'mlp_dim': 1024*4, 'num_heads': 16, 'stochdepth_rate': 0.05, 'layerscale_init': 1e-1, 'use_sine': True},
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# Sinusoidal positional embeddings + 224 image size + G/14
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'SWModel4': {'class': 'ViT', 'num_blocks': 48, 'patch_size': 14, 'd_model': 1664, 'mlp_dim': 1664*4, 'num_heads': 16, 'stochdepth_rate': 0.05, 'layerscale_init': 1e-1, 'use_sine': True},
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# Sinusoidal positional embeddings + focal loss
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'SWModel5': {'class': 'ViT', 'num_blocks': 12, 'patch_size': 16, 'd_model': 768, 'mlp_dim': 768*4, 'num_heads': 12, 'stochdepth_rate': 0.05, 'use_sine': True},
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'SWModel6': {'class': 'ViT', 'num_blocks': 12, 'patch_size': 16, 'd_model': 768, 'mlp_dim': 768*4, 'num_heads': 12, 'stochdepth_rate': 0.05, 'use_sine': True},
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'SWModel7': {'class': 'ViT', 'num_blocks': 12, 'patch_size': 16, 'd_model': 768, 'mlp_dim': 768*4, 'num_heads': 12, 'stochdepth_rate': 0.05, 'use_sine': True},
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'SWModel8': {'class': 'ViT', 'num_blocks': 12, 'patch_size': 16, 'd_model': 768, 'mlp_dim': 768*4, 'num_heads': 12, 'stochdepth_rate': 0.05, 'use_sine': True},
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'SWModel9': {'class': 'ViT', 'num_blocks': 12, 'patch_size': 16, 'd_model': 768, 'mlp_dim': 768*4, 'num_heads': 12, 'stochdepth_rate': 0.05, 'use_sine': True},
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'SWModel10': {'class': 'ViT', 'num_blocks': 12, 'patch_size': 16, 'd_model': 768, 'mlp_dim': 768*4, 'num_heads': 12, 'stochdepth_rate': 0.05, 'use_sine': True},
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'SWModel11': {'class': 'ViT', 'num_blocks': 12, 'patch_size': 16, 'd_model': 768, 'mlp_dim': 768*4, 'num_heads': 12, 'stochdepth_rate': 0, 'use_sine': True},
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# Trying head_mean_after
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'SWModel12': {'class': 'ViT', 'num_blocks': 12, 'patch_size': 16, 'd_model': 768, 'mlp_dim': 768*4, 'num_heads': 12, 'stochdepth_rate': 0.05, 'use_sine': True, 'head_mean_after': True},
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# Fat boy
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'SWModel13': {'class': 'ViT', 'num_blocks': 6, 'patch_size': 16, 'd_model': 1536, 'mlp_dim': 1536*4, 'num_heads': 12, 'stochdepth_rate': 0.05, 'use_sine': True},
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# L/14
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'SWModel14': {'class': 'ViT', 'num_blocks': 24, 'patch_size': 14, 'd_model': 1024, 'mlp_dim': 1024*4, 'num_heads': 16, 'stochdepth_rate': 0.05, 'layerscale_init': 1e-1, 'use_sine': True},
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'SWModel15': {'class': 'ViT', 'num_blocks': 24, 'patch_size': 14, 'd_model': 1024, 'mlp_dim': 1024*4, 'num_heads': 16, 'stochdepth_rate': 0.05, 'layerscale_init': 1e-5, 'use_sine': True},
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@@ -105,7 +96,6 @@ MODEL_CONFIGS = {
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'SWModel16f': {'class': 'ViT', 'num_blocks': 24, 'patch_size': 14, 'd_model': 1024, 'mlp_dim': 1024*4, 'num_heads': 16, 'stochdepth_rate': 0.10, 'layerscale_init': 1e-1, 'use_sine': True},
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'SWModel22': {'class': 'ViT', 'num_blocks': 24, 'patch_size': 14, 'd_model': 1024, 'mlp_dim': 1024*4, 'num_heads': 16, 'stochdepth_rate': 0.20, 'layerscale_init': 1e-1, 'use_sine': True},
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'SWModel25': {'class': 'ViT', 'num_blocks': 24, 'patch_size': 16, 'd_model': 1024, 'mlp_dim': 1024*4, 'num_heads': 16, 'stochdepth_rate': 0.15, 'layerscale_init': 1e-1, 'use_sine': True, 'cnn_stem': 'conv:c=128;ln;relu;conv:c=256;ln;relu;conv:c=512;ln;relu;conv:c=1024;ln;relu;conv:c=1024,s=1,k=1,p=0'},
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# CNN stem
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'SWModel18': {'class': 'ViT', 'num_blocks': 12, 'patch_size': 16, 'd_model': 768, 'mlp_dim': 768*4, 'num_heads': 12, 'stochdepth_rate': 0.05, 'use_sine': True, 'cnn_stem': 'conv:c=64;bn;relu;conv:c=128;bn;relu;conv:c=256;bn;relu;conv:c=512;bn;relu;conv:c=768,s=1,k=1'},
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'SWModel19': {'class': 'ViT', 'num_blocks': 12, 'patch_size': 16, 'd_model': 768, 'mlp_dim': 768*4, 'num_heads': 12, 'stochdepth_rate': 0.05, 'use_sine': True, 'cnn_stem': 'conv:c=64;bn;relu;conv:c=128;bn;relu;conv:c=128,s=1;bn;relu;conv:c=256;bn;relu;conv:c=256,s=1;bn;relu;conv:c=512;bn;relu;conv:c=768,s=1,k=1,p=0'},
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@@ -113,7 +103,6 @@ MODEL_CONFIGS = {
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'SWModel21': {'class': 'ViT', 'num_blocks': 12, 'patch_size': 16, 'd_model': 768, 'mlp_dim': 768*4, 'num_heads': 12, 'stochdepth_rate': 0.05, 'use_sine': True, 'cnn_stem': 'conv:c=64;ln;gelu;conv:c=128;ln;gelu;conv:c=256;ln;gelu;conv:c=512;ln;gelu;conv:c=768,s=1,k=1,p=0'},
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'SWModel23': {'class': 'ViT', 'num_blocks': 12, 'patch_size': 16, 'd_model': 768, 'mlp_dim': 768*4, 'num_heads': 12, 'stochdepth_rate': 0.05, 'use_sine': True, 'cnn_stem': 'conv:c=64;ln;relu;conv:c=128;ln;relu;conv:c=256;ln;relu;conv:c=512;ln;relu;conv:c=768,s=1,k=1,p=0'},
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'SWModel24': {'class': 'ViT', 'num_blocks': 12, 'patch_size': 16, 'd_model': 768, 'mlp_dim': 768*4, 'num_heads': 12, 'stochdepth_rate': 0.05, 'use_sine': True, 'cnn_stem': 'conv:c=64;ln;relu;conv:c=128;ln;relu;conv:c=256;ln;relu;conv:c=512;ln;relu;conv:c=768,s=1,k=1,p=0'},
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# H/14
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'SWModel17': {'class': 'ViT', 'num_blocks': 32, 'patch_size': 14, 'd_model': 1280, 'mlp_dim': 1280*4, 'num_heads': 16, 'stochdepth_rate': 0.05, 'layerscale_init': 1e-1, 'use_sine': True},
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'SWModel26': {'class': 'ViT', 'num_blocks': 32, 'patch_size': 14, 'd_model': 1280, 'mlp_dim': 1280*4, 'num_heads': 16, 'stochdepth_rate': 0.15, 'layerscale_init': 1e-1, 'use_sine': True},
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@@ -126,35 +115,20 @@ class VisionModel(nn.Module):
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def __init__(self, image_size: int, n_tags: int):
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super().__init__()
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self.image_size = image_size
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self.n_tags = n_tags
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@staticmethod
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def load_model(path: Path, device: str = None) -> 'VisionModel':
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"""
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Load a model from a directory.
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:param path: The directory containing the model.
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:return: The model, the image size, and the number of tags.
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"""
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def load_model(path: str) -> 'VisionModel':
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with open(Path(path) / 'config.json', 'r', encoding='utf8') as f:
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config = json.load(f)
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if (Path(path) / 'model.safetensors').exists():
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from safetensors.torch import load_file
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resume = load_file(Path(path) / 'model.safetensors', device='cpu')
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else:
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resume = torch.load(Path(path) / 'model.pt', map_location=torch.device('cpu'))['model']
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from safetensors.torch import load_file
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resume = load_file(Path(path) / 'model.safetensors', device='cpu')
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model_classes = VisionModel.__subclasses__()
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model_cls = next(cls for cls in model_classes if cls.__name__ == config['class'])
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model = model_cls(**{k: v for k, v in config.items() if k != 'class'})
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model.load(resume)
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if device is not None:
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model = model.to(device)
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return model
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instance = model_cls(**{k: v for k, v in config.items() if k != 'class'})
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instance.load(resume)
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return instance
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@staticmethod
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def from_config(config: dict) -> 'VisionModel':
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@@ -177,12 +151,10 @@ def basic_calculate_loss(preds: dict[str, torch.Tensor], batch: dict, pos_weight
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p = F.softmax(preds, dim=1)
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xs_pos = p.clamp(min=1e-6)
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xs_neg = (1 - p).clamp(min=1e-6)
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los_pos = torch.log(torch.gather(xs_pos, 1, target.unsqueeze(1))).sum()
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los_neg = torch.log(xs_neg)
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los_neg = los_neg.sum() - torch.gather(los_neg, 1, target.unsqueeze(1)).sum()
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loss = los_pos + los_neg
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return -loss
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if loss_type == "ce":
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@@ -207,22 +179,18 @@ def basic_calculate_loss(preds: dict[str, torch.Tensor], batch: dict, pos_weight
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p = torch.sigmoid(preds['tags'])
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xs_pos = p
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xs_neg = 1 - p
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los_pos = batch['tags'] * torch.log(xs_pos.clamp(min=1e-6))
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los_neg = (1 - batch['tags']) * torch.log(xs_neg.clamp(min=1e-6))
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loss = los_pos + los_neg
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loss = -loss.sum()
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# Rating
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loss = loss + asl_helper(preds['rating'], batch['rating'])
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# Score
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loss = loss + asl_helper(preds['score'], batch['score'])
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elif loss_type == "asl2":
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p = torch.sigmoid(preds['tags'])
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xs_pos = p
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xs_neg = 1 - p
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los_pos = batch['tags'] * torch.log(xs_pos.clamp(min=1e-6))
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los_neg = (1 - batch['tags']) * torch.log(xs_neg.clamp(min=1e-6))
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loss = -los_pos - los_neg
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@@ -231,7 +199,6 @@ def basic_calculate_loss(preds: dict[str, torch.Tensor], batch: dict, pos_weight
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p = torch.sigmoid(preds['tags'])
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xs_pos = p
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xs_neg = 1 - p
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los_pos = batch['tags'] * torch.log(xs_pos.clamp(min=1e-6))
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los_neg = (1 - batch['tags']) * torch.log(xs_neg.clamp(min=1e-6))
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loss = -los_pos - los_neg
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@@ -240,7 +207,6 @@ def basic_calculate_loss(preds: dict[str, torch.Tensor], batch: dict, pos_weight
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p = torch.sigmoid(preds['tags'])
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xs_pos = p
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xs_neg = 1 - p
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los_pos = batch['tags'] * torch.log(xs_pos.clamp(min=1e-6))
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los_neg = (1 - batch['tags']) * torch.log(xs_neg.clamp(min=1e-6))
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loss = -los_pos - los_neg
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@@ -253,7 +219,6 @@ def basic_calculate_loss(preds: dict[str, torch.Tensor], batch: dict, pos_weight
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loss = F.binary_cross_entropy_with_logits(preds['tags'], batch['tags'], pos_weight=pos_weight) * 2
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else:
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raise ValueError(f"Invalid loss type: {loss_type}")
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return loss
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@@ -282,28 +247,21 @@ class FastCLIPAttention2(nn.Module):
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self.num_heads = num_attention_heads
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self.head_dim = hidden_size // num_attention_heads
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assert self.head_dim * num_attention_heads == self.embed_dim, "embed_dim must be divisible by num_attention_heads"
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self.q_proj = nn.Linear(self.embed_dim, self.embed_dim)
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self.kv_proj = nn.Linear(self.embed_dim, self.embed_dim * 2)
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self.out_proj = nn.Linear(self.embed_dim, self.out_dim)
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if self.norm_qk:
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self.query_norm = nn.LayerNorm(self.embed_dim)
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self.key_norm = nn.LayerNorm(self.embed_dim)
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#def _shape(self, tensor: torch.Tensor, seq_len: int, bsz: int):
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# return tensor.view(bsz, seq_len, self.num_heads, self.head_dim).contiguous()
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def forward(self, query_states: torch.Tensor, kv_states: torch.Tensor) -> torch.Tensor:
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bsz, src_len, embed_dim = kv_states.size()
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if self.out_seq_len is not None:
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tgt_len = self.out_seq_len
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else:
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tgt_len = src_len
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kv_states = self.kv_proj(kv_states) # (bsz, src_len, embed_dim * 2)
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q_states = self.q_proj(query_states[:, :tgt_len]) # (bsz, tgt_len, embed_dim)
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# NOTE: It is not clear if LayerNorm should be applied to the embed_dim, or to the head_dim
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if self.norm_qk:
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q_states = self.query_norm(q_states).type(q_states.dtype)
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@@ -312,19 +270,15 @@ class FastCLIPAttention2(nn.Module):
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else:
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k_states = kv_states[:, :, :embed_dim]
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v_states = kv_states[:, :, embed_dim:]
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q_states = q_states.view(bsz, tgt_len, self.num_heads, self.head_dim).transpose(1, 2) # (bsz, num_heads, tgt_len, head_dim)
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k_states = k_states.view(bsz, src_len, self.num_heads, self.head_dim).transpose(1, 2) # (bsz, num_heads, src_len, head_dim)
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v_states = v_states.view(bsz, src_len, self.num_heads, self.head_dim).transpose(1, 2) # (bsz, num_heads, src_len, head_dim)
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# Performs scale of query_states, attention, and softmax
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with torch.backends.cuda.sdp_kernel(enable_math=False):
|
||||
x = F.scaled_dot_product_attention(q_states, k_states, v_states) # (bsz, num_heads, tgt_len, head_dim)
|
||||
x = x.transpose(1, 2).contiguous().view(bsz, tgt_len, embed_dim) # (bsz, tgt_len, embed_dim)
|
||||
|
||||
# Projection
|
||||
x = self.out_proj(x) # (bsz, tgt_len, out_dim)
|
||||
|
||||
return x
|
||||
|
||||
|
||||
@@ -334,7 +288,6 @@ class SkipInit(nn.Module):
|
||||
self.hidden_size = hidden_size
|
||||
self.channel_wise = channel_wise
|
||||
self.init_scale = init_scale
|
||||
|
||||
if self.channel_wise:
|
||||
self.scale = nn.Parameter(torch.ones(hidden_size) * init_scale)
|
||||
else:
|
||||
@@ -357,10 +310,8 @@ class FastCLIPEncoderLayer(nn.Module):
|
||||
stochastic_depth: Optional[float] = None,
|
||||
):
|
||||
super().__init__()
|
||||
|
||||
self.use_palm_alt = use_palm_alt
|
||||
self.stochastic_depth = stochastic_depth
|
||||
|
||||
self.self_attn = FastCLIPAttention2(
|
||||
hidden_size=hidden_size,
|
||||
out_dim=hidden_size,
|
||||
@@ -372,7 +323,6 @@ class FastCLIPEncoderLayer(nn.Module):
|
||||
self.layer_norm1 = nn.LayerNorm(hidden_size)
|
||||
if not use_palm_alt:
|
||||
self.layer_norm2 = nn.LayerNorm(hidden_size)
|
||||
|
||||
if skip_init is not None:
|
||||
self.attn_skip_init = SkipInit(hidden_size, channel_wise=True, init_scale=skip_init)
|
||||
self.mlp_skip_init = SkipInit(hidden_size, channel_wise=True, init_scale=skip_init)
|
||||
@@ -383,12 +333,10 @@ class FastCLIPEncoderLayer(nn.Module):
|
||||
def forward(self, hidden_states: torch.Tensor):
|
||||
residual = hidden_states
|
||||
hidden_states = self.layer_norm1(hidden_states)
|
||||
|
||||
if not self.use_palm_alt:
|
||||
hidden_states = self.self_attn(query_states=hidden_states, kv_states=hidden_states)
|
||||
hidden_states = self.attn_skip_init(hidden_states)
|
||||
hidden_states = hidden_states + residual[:, :hidden_states.size(1)]
|
||||
|
||||
residual = hidden_states
|
||||
hidden_states = self.layer_norm2(hidden_states)
|
||||
hidden_states = self.mlp(hidden_states)
|
||||
@@ -402,13 +350,10 @@ class FastCLIPEncoderLayer(nn.Module):
|
||||
attn = self.attn_skip_init(attn)
|
||||
mlp = self.mlp(hidden_states[:, :attn.size(1)])
|
||||
mlp = self.mlp_skip_init(mlp)
|
||||
|
||||
if self.stochastic_depth is not None:
|
||||
attn = torchvision.ops.stochastic_depth(attn, self.stochastic_depth, mode='row', training=self.training)
|
||||
mlp = torchvision.ops.stochastic_depth(mlp, self.stochastic_depth, mode='row', training=self.training)
|
||||
|
||||
hidden_states = residual[:, :attn.size(1)] + attn + mlp
|
||||
|
||||
return hidden_states
|
||||
|
||||
|
||||
@@ -417,24 +362,19 @@ def sinusoidal_position_embedding(width: int, height: int, depth: int, dtype, de
|
||||
Sinusoidal position embedding. Returns a flat tensor of shape (h * w, d).
|
||||
"""
|
||||
assert depth % 4 == 0, "Embedding dimension must be divisible by 4."
|
||||
|
||||
y, x = torch.meshgrid(torch.arange(height, device=device), torch.arange(width, device=device), indexing="ij")
|
||||
omega = torch.arange(depth // 4, device=device) / (depth // 4 - 1)
|
||||
omega = 1. / (temperature ** omega)
|
||||
|
||||
y = y.flatten()[:, None] * omega[None, :]
|
||||
x = x.flatten()[:, None] * omega[None, :]
|
||||
embedding = torch.cat([x.sin(), x.cos(), y.sin(), y.cos()], dim=1)
|
||||
|
||||
return embedding.type(dtype)
|
||||
|
||||
|
||||
class CLIPEmbeddingLayer(nn.Module):
|
||||
def __init__(self, hidden_size: int, num_channels: int, image_size: int, patch_size: int, patch_dropout: float = 0.0, good_dropout: bool = False, dpn: bool = False, sine_positional_embeddings: bool = False):
|
||||
super().__init__()
|
||||
|
||||
assert image_size % patch_size == 0, "Image dimensions must be divisible by the patch size."
|
||||
|
||||
seq_len = (image_size // patch_size) ** 2
|
||||
self.patch_dropout = patch_dropout
|
||||
self.hidden_size = hidden_size
|
||||
@@ -442,7 +382,6 @@ class CLIPEmbeddingLayer(nn.Module):
|
||||
self.dpn = dpn
|
||||
self.sine_positional_embeddings = sine_positional_embeddings
|
||||
self.patch_size = patch_size
|
||||
|
||||
self.patch_embeddings = nn.Conv2d(
|
||||
in_channels=num_channels,
|
||||
out_channels=hidden_size,
|
||||
@@ -453,7 +392,6 @@ class CLIPEmbeddingLayer(nn.Module):
|
||||
if not self.sine_positional_embeddings:
|
||||
self.positional_embeddings = nn.Embedding(seq_len, hidden_size)
|
||||
self.register_buffer("position_ids", torch.arange(seq_len))
|
||||
|
||||
if self.dpn:
|
||||
self.to_patch_embeddings = nn.Sequential(
|
||||
Rearrange('b c (h p1) (w p2) -> b (h w) (p1 p2 c)', p1=patch_size, p2=patch_size),
|
||||
@@ -474,27 +412,22 @@ class CLIPEmbeddingLayer(nn.Module):
|
||||
B, _C, H, W = pixel_values.shape
|
||||
assert H % self.patch_size == 0, f"Input image height ({H}) needs to be divisible by the patch size ({self.patch_size})."
|
||||
assert W % self.patch_size == 0, f"Input image width ({W}) needs to be divisible by the patch size ({self.patch_size})."
|
||||
|
||||
if self.dpn:
|
||||
patches = self.to_patch_embeddings(pixel_values)
|
||||
else:
|
||||
patches = self.to_patch_embeddings(pixel_values)
|
||||
patches = patches.flatten(2).transpose(1, 2)
|
||||
|
||||
seq_len = patches.shape[1]
|
||||
patch_dropout = int(math.ceil((1.0 - self.patch_dropout) * seq_len))
|
||||
|
||||
if self.sine_positional_embeddings:
|
||||
position_embeddings = sinusoidal_position_embedding(W // self.patch_size, H // self.patch_size, self.hidden_size, pixel_values.dtype, pixel_values.device)
|
||||
else:
|
||||
position_embeddings = self.positional_embeddings(self.position_ids)
|
||||
|
||||
if patch_dropout == seq_len or not self.training:
|
||||
embeddings = patches + position_embeddings
|
||||
elif self.good_dropout:
|
||||
# Pick random patches to drop out
|
||||
# The "good_dropout" variant uses random permutations for each batch item, but is slightly slower and involves more code
|
||||
|
||||
# The below method is a nice trick to generate a batch of random permutations.
|
||||
# Torch (as of 1.13) doesn't have a built-in function to do this, and a for loop of torch.randperm is slow.
|
||||
# Based on some benchmarks I measured the generation of the mask and the fetching to be only 50% slower than the non-"good_dropout" variant.
|
||||
@@ -511,22 +444,17 @@ class CLIPEmbeddingLayer(nn.Module):
|
||||
# The non-"good_dropout" variant uses a single random permutation for all batch items, but is faster and uses less code
|
||||
indices = torch.randperm(seq_len, device=pixel_values.device)[:patch_dropout]
|
||||
embeddings = patches[:, indices, :] + position_embeddings[indices.expand(1, -1)]
|
||||
|
||||
return embeddings
|
||||
|
||||
|
||||
class MHAPoolingHead(nn.Module):
|
||||
def __init__(self, hidden_size: int, num_attention_heads: int, activation_cls, out_dim: int, alt_style: bool, norm_qk: bool):
|
||||
super().__init__()
|
||||
|
||||
self.out_dim = out_dim if not alt_style else hidden_size
|
||||
|
||||
self.probe = nn.Parameter(torch.randn(hidden_size))
|
||||
|
||||
self.mlp = CLIPMlp(hidden_size, 4 * hidden_size, activation_cls)
|
||||
self.layer_norm = nn.LayerNorm(hidden_size)
|
||||
self.pooling_head = nn.Linear(hidden_size, 1)
|
||||
|
||||
self.self_attn = FastCLIPAttention2(
|
||||
hidden_size=hidden_size,
|
||||
out_dim=self.out_dim,
|
||||
@@ -537,7 +465,6 @@ class MHAPoolingHead(nn.Module):
|
||||
self.mlp = CLIPMlp(self.out_dim, 4 * self.out_dim, activation_cls)
|
||||
self.layer_norm1 = nn.LayerNorm(hidden_size)
|
||||
self.layer_norm2 = nn.LayerNorm(self.out_dim)
|
||||
|
||||
if alt_style:
|
||||
self.final_proj = nn.Linear(hidden_size, out_dim)
|
||||
else:
|
||||
@@ -546,23 +473,19 @@ class MHAPoolingHead(nn.Module):
|
||||
def forward(self, hidden_states: torch.Tensor):
|
||||
hidden_states = self.layer_norm1(hidden_states)
|
||||
query_states = self.probe.unsqueeze(0).unsqueeze(0).expand(hidden_states.size(0), 1, -1)
|
||||
|
||||
hidden_states = self.self_attn(query_states=query_states, kv_states=hidden_states)
|
||||
# We don't use a residual connection here because the out_dim is different from the hidden_size
|
||||
|
||||
residual = hidden_states
|
||||
hidden_states = self.layer_norm2(hidden_states)
|
||||
hidden_states = self.mlp(hidden_states)
|
||||
hidden_states = hidden_states + residual
|
||||
hidden_states = self.final_proj(hidden_states)
|
||||
|
||||
return hidden_states.squeeze(1)
|
||||
|
||||
|
||||
class GAPHead(nn.Module):
|
||||
def __init__(self, hidden_size: int, out_dim: int):
|
||||
super().__init__()
|
||||
|
||||
self.norm = nn.LayerNorm(hidden_size)
|
||||
self.proj = nn.Linear(hidden_size, out_dim)
|
||||
|
||||
@@ -598,14 +521,11 @@ class CLIPLikeModel(VisionModel):
|
||||
stochastic_depth: Optional[float] = None,
|
||||
):
|
||||
super().__init__(image_size, n_tags)
|
||||
|
||||
out_dim = n_tags
|
||||
self.n_tags = n_tags
|
||||
self.loss_type = loss_type
|
||||
self.no_wd_bias = no_wd_bias
|
||||
|
||||
stochastic_depth_space = torch.linspace(0, stochastic_depth, num_layers) if stochastic_depth is not None else None
|
||||
|
||||
self.embedding_layer = CLIPEmbeddingLayer(embedding_dim, num_channels, image_size, patch_size, patch_dropout, good_dropout, dpn, sine_positional_embeddings)
|
||||
self.pre_layer_norm = nn.LayerNorm(embedding_dim)
|
||||
self.encoder_layers = nn.ModuleList([FastCLIPEncoderLayer(
|
||||
@@ -618,7 +538,6 @@ class CLIPLikeModel(VisionModel):
|
||||
skip_init=skip_init,
|
||||
stochastic_depth=stochastic_depth_space[i].item() if stochastic_depth_space is not None else None,
|
||||
) for i in range(num_layers)])
|
||||
|
||||
if use_gap_head:
|
||||
self.pooling_head = GAPHead(embedding_dim, out_dim)
|
||||
else:
|
||||
@@ -627,16 +546,10 @@ class CLIPLikeModel(VisionModel):
|
||||
def forward(self, batch):
|
||||
hidden_states = self.embedding_layer(batch['image'])
|
||||
hidden_states = self.pre_layer_norm(hidden_states)
|
||||
|
||||
for layer in self.encoder_layers:
|
||||
hidden_states = layer(hidden_states)
|
||||
|
||||
preds = self.pooling_head(hidden_states)
|
||||
|
||||
result = {
|
||||
'tags': preds,
|
||||
}
|
||||
|
||||
result = { 'tags': preds }
|
||||
return result
|
||||
|
||||
def calculate_loss(self, preds, batch, pos_weight):
|
||||
@@ -651,11 +564,9 @@ class CLIPLikeModel(VisionModel):
|
||||
def get_optimized_parameters_no_wd_bias(self):
|
||||
decay = []
|
||||
no_decay = []
|
||||
|
||||
for name, param in self.named_parameters():
|
||||
if not param.requires_grad:
|
||||
continue
|
||||
|
||||
if len(param.shape) == 1 or name.endswith(".bias"):
|
||||
no_decay.append(param)
|
||||
print(f'No decay: {name}')
|
||||
@@ -678,7 +589,6 @@ class MaskedAutoEncoderViT(nn.Module):
|
||||
def __init__(
|
||||
self,
|
||||
n_tags: int,
|
||||
|
||||
embedding_dim: int,
|
||||
num_attention_heads: int,
|
||||
activation_cls,
|
||||
@@ -688,19 +598,16 @@ class MaskedAutoEncoderViT(nn.Module):
|
||||
num_layers: int,
|
||||
loss_type: str,
|
||||
sine_positional_embeddings: bool=False,
|
||||
|
||||
decoder_embedding_dim: int = 512,
|
||||
decoder_num_attention_heads: int = 8,
|
||||
decoder_num_layers: int = 6,
|
||||
decoder_force_projection: bool = False,
|
||||
|
||||
masking_ratio: float = 0.75,
|
||||
mae_loss_weight: float = 1.0,
|
||||
mae_normalize_targets: bool = False,
|
||||
mae_post_norm: bool = False,
|
||||
):
|
||||
super().__init__()
|
||||
|
||||
self.n_tags = n_tags
|
||||
self.seq_len = (image_size // patch_size) ** 2
|
||||
self.embedding_dim = embedding_dim
|
||||
@@ -712,12 +619,10 @@ class MaskedAutoEncoderViT(nn.Module):
|
||||
self.loss_type = loss_type
|
||||
self.mae_loss_weight = mae_loss_weight
|
||||
self.mae_normalize_targets = mae_normalize_targets
|
||||
|
||||
if not self.sine_positional_embeddings:
|
||||
self.positional_embeddings = nn.Embedding(self.seq_len, embedding_dim)
|
||||
self.decoder_positional_embeddings = nn.Embedding(self.seq_len, decoder_embedding_dim)
|
||||
self.register_buffer("position_ids", torch.arange(self.seq_len))
|
||||
|
||||
self.to_patches = Rearrange('b c (h p1) (w p2) -> b (h w) (p1 p2 c)', p1=patch_size, p2=patch_size)
|
||||
self.patch_embedder = nn.Linear(num_channels * patch_size * patch_size, embedding_dim)
|
||||
|
||||
@@ -732,10 +637,8 @@ class MaskedAutoEncoderViT(nn.Module):
|
||||
norm_qk=False,
|
||||
skip_init=None,
|
||||
) for _ in range(num_layers)])
|
||||
|
||||
# Head for classification
|
||||
self.pooling_head = GAPHead(embedding_dim, n_tags)
|
||||
|
||||
# Decoder
|
||||
if embedding_dim != decoder_embedding_dim or decoder_force_projection:
|
||||
self.encoder_to_decoder_proj = nn.Linear(embedding_dim, decoder_embedding_dim)
|
||||
@@ -751,7 +654,6 @@ class MaskedAutoEncoderViT(nn.Module):
|
||||
norm_qk=False,
|
||||
skip_init=None,
|
||||
) for _ in range(decoder_num_layers)])
|
||||
|
||||
if mae_post_norm:
|
||||
self.decoder_to_pixel_values = nn.Sequential(
|
||||
nn.LayerNorm(decoder_embedding_dim),
|
||||
@@ -768,42 +670,33 @@ class MaskedAutoEncoderViT(nn.Module):
|
||||
B, _C, H, W = pixel_values.shape
|
||||
assert H % self.patch_size == 0, f"Input image height ({H}) needs to be divisible by the patch size ({self.patch_size})."
|
||||
assert W % self.patch_size == 0, f"Input image width ({W}) needs to be divisible by the patch size ({self.patch_size})."
|
||||
|
||||
# Convert image to patches (B, seq_len, C * patch_size * patch_size)
|
||||
patches = self.to_patches(pixel_values)
|
||||
seq_len = patches.shape[1]
|
||||
num_masked = int(self.masking_ratio * seq_len)
|
||||
|
||||
# For each batch tensor, use argsort to convert the random numbers into a permutation of the patch indices
|
||||
# From this we can get the masked and unmasked indices
|
||||
patch_mask = torch.rand(B, seq_len, device=device)
|
||||
patch_mask = torch.argsort(patch_mask, dim=1)
|
||||
masked_indices, unmasked_indices = patch_mask[:, :num_masked], patch_mask[:, num_masked:]
|
||||
batch_range = torch.arange(B, device=device)[:, None]
|
||||
|
||||
# Masked and unmasked patches
|
||||
unmasked_patches = patches[batch_range, unmasked_indices]
|
||||
masked_patches = patches[batch_range, masked_indices]
|
||||
|
||||
# Embed unmasked patches for the encoder (B, seq_len, embedding_dim)
|
||||
tokens = self.patch_embedder(unmasked_patches)
|
||||
|
||||
if self.sine_positional_embeddings:
|
||||
position_embeddings = sinusoidal_position_embedding(W // self.patch_size, H // self.patch_size, self.embedding_dim, pixel_values.dtype, device)
|
||||
decoder_position_embeddings = sinusoidal_position_embedding(W // self.patch_size, H // self.patch_size, self.decoder_embedding_dim, pixel_values.dtype, device)
|
||||
else:
|
||||
position_embeddings = self.positional_embeddings(self.position_ids)
|
||||
decoder_position_embeddings = self.decoder_positional_embeddings(self.position_ids)
|
||||
|
||||
# Add position embeddings
|
||||
tokens = tokens + position_embeddings[unmasked_indices]
|
||||
|
||||
# Run the encoder
|
||||
encoded_tokens = self.pre_layer_norm(tokens)
|
||||
|
||||
for layer in self.encoder_layers:
|
||||
encoded_tokens = layer(encoded_tokens)
|
||||
|
||||
# Label predictions
|
||||
if self.training:
|
||||
preds = self.pooling_head(encoded_tokens)
|
||||
@@ -816,27 +709,21 @@ class MaskedAutoEncoderViT(nn.Module):
|
||||
for layer in self.encoder_layers:
|
||||
tokens = layer(tokens)
|
||||
preds = self.pooling_head(tokens)
|
||||
|
||||
# Projection for the decoder and position embeddings
|
||||
decoder_tokens = self.encoder_to_decoder_proj(encoded_tokens)
|
||||
decoder_tokens = decoder_tokens + decoder_position_embeddings[unmasked_indices]
|
||||
|
||||
# Fill in the masked patches
|
||||
mask_tokens = einops.repeat(self.mask_token, 'd -> b n d', b = B, n = num_masked)
|
||||
mask_tokens = mask_tokens + decoder_position_embeddings[masked_indices]
|
||||
decoder_tokens = torch.cat([decoder_tokens, mask_tokens], dim=1)
|
||||
|
||||
# Run the decoder
|
||||
decoded_tokens = self.decoder_pre_layer_norm(decoder_tokens)
|
||||
|
||||
for layer in self.decoder_layers:
|
||||
decoded_tokens = layer(decoded_tokens)
|
||||
|
||||
# Only predict the masked patches
|
||||
# All the masked patches are at the end of the sequence
|
||||
decoded_tokens = decoded_tokens[:, -num_masked:]
|
||||
pred_pixel_values = self.decoder_to_pixel_values(decoded_tokens)
|
||||
|
||||
# Calculate the mae loss
|
||||
if self.mae_normalize_targets:
|
||||
# Normalize each patch by its mean and variance. The ViCHA paper says this provides better results
|
||||
@@ -847,7 +734,6 @@ class MaskedAutoEncoderViT(nn.Module):
|
||||
else:
|
||||
mae_loss = F.mse_loss(pred_pixel_values, masked_patches)
|
||||
mae_loss = mae_loss * self.mae_loss_weight
|
||||
|
||||
return {
|
||||
'tags': preds,
|
||||
'mae_loss': mae_loss,
|
||||
@@ -875,14 +761,12 @@ class StochDepth(nn.Module):
|
||||
def forward(self, x):
|
||||
if not self.training:
|
||||
return x
|
||||
|
||||
batch_size = x.shape[0]
|
||||
r = torch.rand((batch_size, 1, 1), device=x.device)
|
||||
keep_prob = 1 - self.drop_rate
|
||||
binary_tensor = torch.floor(keep_prob + r)
|
||||
if self.scale_by_keep:
|
||||
x = x / keep_prob
|
||||
|
||||
return x * binary_tensor
|
||||
|
||||
|
||||
@@ -904,7 +788,6 @@ class PosEmbedding(nn.Module):
|
||||
self.max_len = max_len
|
||||
self.use_sine = use_sine
|
||||
self.patch_size = patch_size
|
||||
|
||||
if not self.use_sine:
|
||||
self.embedding = nn.Embedding(max_len, d_model)
|
||||
nn.init.trunc_normal_(self.embedding.weight, std=0.02)
|
||||
@@ -915,7 +798,6 @@ class PosEmbedding(nn.Module):
|
||||
position_embeddings = sinusoidal_position_embedding(width // self.patch_size, height // self.patch_size, self.d_model, x.dtype, x.device)
|
||||
else:
|
||||
position_embeddings = self.embedding(self.position_ids)
|
||||
|
||||
return x + position_embeddings
|
||||
|
||||
|
||||
@@ -944,16 +826,13 @@ class ViTBlock(nn.Module):
|
||||
super().__init__()
|
||||
self.num_heads = num_heads
|
||||
self.d_model = d_model
|
||||
|
||||
assert d_model % num_heads == 0, "d_model must be divisible by num_heads"
|
||||
|
||||
# MHA
|
||||
self.norm1 = nn.LayerNorm(d_model)
|
||||
self.qkv_proj = nn.Linear(d_model, d_model * 3)
|
||||
self.out_proj = nn.Linear(d_model, d_model)
|
||||
self.skip_init1 = SkipInitChannelwise(channels=d_model, init_val=layerscale_init)
|
||||
self.stochdepth1 = StochDepth(stochdepth_rate, scale_by_keep=True) if stochdepth_rate > 0 else None
|
||||
|
||||
# MLP
|
||||
self.norm2 = nn.LayerNorm(d_model)
|
||||
self.mlp = MLPBlock(d_model, d_ff, stochdepth_rate)
|
||||
@@ -962,35 +841,27 @@ class ViTBlock(nn.Module):
|
||||
|
||||
def forward(self, x):
|
||||
bsz, src_len, embed_dim = x.shape
|
||||
|
||||
out = x
|
||||
out = self.norm1(out)
|
||||
|
||||
# MHA
|
||||
qkv_states = self.qkv_proj(out).split(self.d_model, dim=-1)
|
||||
q_states = qkv_states[0].view(bsz, src_len, self.num_heads, embed_dim // self.num_heads).transpose(1, 2) # (bsz, num_heads, src_len, embed_dim // num_heads)
|
||||
k_states = qkv_states[1].view(bsz, src_len, self.num_heads, embed_dim // self.num_heads).transpose(1, 2) # (bsz, num_heads, src_len, embed_dim // num_heads)
|
||||
v_states = qkv_states[2].view(bsz, src_len, self.num_heads, embed_dim // self.num_heads).transpose(1, 2) # (bsz, num_heads, src_len, embed_dim // num_heads)
|
||||
|
||||
with torch.backends.cuda.sdp_kernel(enable_math=False):
|
||||
out = F.scaled_dot_product_attention(q_states, k_states, v_states) # (bsz, num_heads, tgt_len, head_dim)
|
||||
out = out.transpose(1, 2).contiguous().view(bsz, src_len, embed_dim) # (bsz, tgt_len, embed_dim)
|
||||
|
||||
out = self.out_proj(out)
|
||||
|
||||
out = self.skip_init1(out)
|
||||
if self.stochdepth1 is not None:
|
||||
out = self.stochdepth1(out)
|
||||
x = out + x
|
||||
|
||||
out = self.norm2(x)
|
||||
out = self.mlp(out)
|
||||
out = self.skip_init2(out)
|
||||
if self.stochdepth2 is not None:
|
||||
out = self.stochdepth2(out)
|
||||
|
||||
out = out + x
|
||||
|
||||
return out
|
||||
|
||||
|
||||
@@ -1019,16 +890,13 @@ class CNNStem(nn.Module):
|
||||
def __init__(self, config: str):
|
||||
super().__init__()
|
||||
self.config = config
|
||||
|
||||
layers = []
|
||||
channels = 3
|
||||
|
||||
for line in config.split(";"):
|
||||
ty, line = line.split(":") if ":" in line else (line, "")
|
||||
options = line.split(",")
|
||||
options = [o.split("=") for o in options] if line else []
|
||||
options = {k: v for k, v in options} # noqa: C416
|
||||
|
||||
if ty == 'conv':
|
||||
layers.append(nn.Conv2d(
|
||||
in_channels=channels,
|
||||
@@ -1047,7 +915,6 @@ class CNNStem(nn.Module):
|
||||
layers.append(nn.ReLU())
|
||||
elif ty == 'gelu':
|
||||
layers.append(nn.GELU())
|
||||
|
||||
self.conv = nn.Sequential(*layers)
|
||||
|
||||
def forward(self, x: torch.Tensor) -> torch.Tensor:
|
||||
@@ -1072,17 +939,14 @@ class ViT(VisionModel):
|
||||
patch_dropout: float = 0.0,
|
||||
):
|
||||
super().__init__(image_size, n_tags)
|
||||
|
||||
#assert image_size % patch_size == 0, "image_size must be divisible by patch_size"
|
||||
assert d_model % num_heads == 0, "d_model must be divisible by num_heads"
|
||||
|
||||
out_dim = n_tags
|
||||
self.n_tags = n_tags
|
||||
self.loss_type = loss_type
|
||||
self.patch_size = patch_size
|
||||
self.head_mean_after = head_mean_after
|
||||
self.patch_dropout = patch_dropout
|
||||
|
||||
layerscale_init = CaiT_LayerScale_init(num_blocks) if layerscale_init is None else layerscale_init
|
||||
self.patch_embeddings = nn.Conv2d(
|
||||
in_channels=3,
|
||||
@@ -1092,12 +956,10 @@ class ViT(VisionModel):
|
||||
bias=True,
|
||||
) if cnn_stem is None else CNNStem(cnn_stem)
|
||||
self.pos_embedding = PosEmbedding(d_model, (image_size // patch_size) ** 2, use_sine=use_sine, patch_size=patch_size)
|
||||
|
||||
self.blocks = nn.ModuleList([
|
||||
ViTBlock(num_heads, d_model, mlp_dim, layerscale_init, stochdepth_rate)
|
||||
for _ in range(num_blocks)
|
||||
])
|
||||
|
||||
self.norm = nn.LayerNorm(d_model)
|
||||
self.head = nn.Linear(d_model, out_dim)
|
||||
|
||||
@@ -1105,15 +967,12 @@ class ViT(VisionModel):
|
||||
B, _C, H, W = batch['image'].shape
|
||||
assert H % self.patch_size == 0, f"Input image height ({H}) needs to be divisible by the patch size ({self.patch_size})."
|
||||
assert W % self.patch_size == 0, f"Input image width ({W}) needs to be divisible by the patch size ({self.patch_size})."
|
||||
|
||||
x = self.patch_embeddings(batch['image']) # (bsz, d_model, patch_num, patch_num)
|
||||
x = x.flatten(2).transpose(1, 2) # (bsz, patch_num ** 2, d_model)
|
||||
x = self.pos_embedding(x, W, H) # (bsz, patch_num ** 2, d_model)
|
||||
|
||||
# Patch dropout
|
||||
seq_len = x.shape[1]
|
||||
patch_dropout = int(math.ceil((1.0 - self.patch_dropout) * seq_len))
|
||||
|
||||
if patch_dropout != seq_len:
|
||||
# Generate a matrix of random numbers between 0 and 1 of shape (B, seq_len)
|
||||
patch_mask = torch.rand(B, seq_len, device=x.device)
|
||||
@@ -1121,19 +980,14 @@ class ViT(VisionModel):
|
||||
patch_mask = torch.argsort(patch_mask, dim=1)
|
||||
# Truncate
|
||||
patch_mask = patch_mask[:, :patch_dropout]
|
||||
|
||||
x = x.gather(1, patch_mask.unsqueeze(-1).expand(-1, -1, x.shape[-1]))
|
||||
|
||||
#indices = torch.randperm(seq_len, device=x.device)[:patch_dropout]
|
||||
#x = x[:, indices, :]
|
||||
|
||||
# Transformer
|
||||
for block in self.blocks:
|
||||
x = block(x)
|
||||
|
||||
# Head
|
||||
result = {}
|
||||
|
||||
x = self.norm(x)
|
||||
if self.head_mean_after:
|
||||
x = self.head(x)
|
||||
@@ -1143,12 +997,9 @@ class ViT(VisionModel):
|
||||
if return_embeddings:
|
||||
result['embeddings'] = x
|
||||
x = self.head(x)
|
||||
|
||||
result['tags'] = x
|
||||
|
||||
if return_loss:
|
||||
result['loss'] = self.calculate_loss(result, batch, pos_weight)
|
||||
|
||||
return result
|
||||
|
||||
def calculate_loss(self, preds, batch, pos_weight):
|
||||
@@ -1165,7 +1016,6 @@ class ViT(VisionModel):
|
||||
# Support old models which included 3 rating and 6 score dimensions
|
||||
state_dict['head.weight'] = state_dict['head.weight'][:self.n_tags]
|
||||
state_dict['head.bias'] = state_dict['head.bias'][:self.n_tags]
|
||||
|
||||
self.load_state_dict(state_dict)
|
||||
|
||||
|
||||
@@ -1189,15 +1039,17 @@ def predict(image: Image.Image):
|
||||
if model is None:
|
||||
folder = huggingface_hub.snapshot_download(MODEL_REPO, cache_dir=shared.opts.hfcache_dir)
|
||||
model = VisionModel.load_model(folder)
|
||||
model = model.to(device=devices.device, dtype=devices.dtype)
|
||||
model.eval()
|
||||
with open(os.path.join(folder, 'top_tags.txt'), 'r', encoding='utf8') as f:
|
||||
tags = [line.strip() for line in f.readlines() if line.strip()]
|
||||
shared.log.info(f'Interrogate: type=vlm model="JoyCaption" repo="{MODEL_REPO}" tags={len(tags)}')
|
||||
image_tensor = prepare_image(image, model.image_size)
|
||||
batch = { 'image': image_tensor.unsqueeze(0) }
|
||||
with torch.amp.autocast_mode.autocast('cpu', enabled=True), devices.inference_context():
|
||||
preds = model(batch)
|
||||
image_tensor = prepare_image(image, model.image_size).unsqueeze(0).to(device=devices.device, dtype=devices.dtype)
|
||||
model = model.to(devices.device)
|
||||
with devices.inference_context():
|
||||
preds = model({ 'image': image_tensor })
|
||||
tag_preds = preds['tags'].sigmoid().cpu()
|
||||
model = model.to(devices.cpu)
|
||||
scores = {tags[i]: tag_preds[0][i] for i in range(len(tags))}
|
||||
if shared.opts.interrogate_score:
|
||||
predicted_tags = [f'{tag}:{score:.2f}' for tag, score in scores.items() if score > THRESHOLD]
|
||||
|
||||
@@ -37,7 +37,8 @@ vlm_models = {
|
||||
"Microsoft GIT VQA Large": "microsoft/git-large-vqav2", # 1.6GB
|
||||
"ToriiGate 0.4 2B": "Minthy/ToriiGate-v0.4-2B",
|
||||
"ViLT Base": "dandelin/vilt-b32-finetuned-vqa", # 0.5GB
|
||||
"JoyTag": "fancyfeast/joytag",
|
||||
"JoyCaption": "fancyfeast/llama-joycaption-alpha-two-hf-llava", # 0.7GB
|
||||
"JoyTag": "fancyfeast/joytag", # 17.4GB
|
||||
}
|
||||
vlm_prompts = [
|
||||
'<CAPTION>',
|
||||
@@ -348,6 +349,9 @@ def interrogate(question, image, model_name):
|
||||
elif 'joytag' in vqa_model.lower():
|
||||
from modules.interrogate import joytag
|
||||
answer = joytag.predict(image)
|
||||
elif 'joycaption' in vqa_model.lower():
|
||||
from modules.interrogate import joycaption
|
||||
answer = joycaption.predict(question, image)
|
||||
else:
|
||||
answer = 'unknown model'
|
||||
except Exception as e:
|
||||
|
||||
Reference in New Issue
Block a user