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fix(grading): color grading type coercion, CLAHE, sharpness and tone scaling

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- add __post_init__ to GradingParams to coerce Gradio int returns to float
- apply CLAHE to L channel in Lab space instead of per-RGB channel
- fix sharpness scaling (kornia factor 1.0=no change, map 0-based slider)
- increase shadows/midtones/highlights gamma strength 2x for visible effect
- reduce CLAHE clip slider range to 0-5 with finer 0.25 step
This commit is contained in:
CalamitousFelicitousness
2026-03-19 04:00:12 +00:00
parent cb943919eb
commit ee2fc75619
2 changed files with 19 additions and 6 deletions
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modules/ui_sections.py
+1 -1
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@@ -205,7 +205,7 @@ def create_color_inputs(tab):
grading_midtones = gr.Slider(minimum=-1.0, maximum=1.0, step=0.05, value=0, label='Midtones', elem_id=f"{tab}_grading_midtones")
grading_highlights = gr.Slider(minimum=-1.0, maximum=1.0, step=0.05, value=0, label='Highlights', elem_id=f"{tab}_grading_highlights")
with gr.Row(elem_id=f"{tab}_grading_clahe_row"):
grading_clahe_clip = gr.Slider(minimum=0.0, maximum=40.0, step=1.0, value=0, label='CLAHE clip', elem_id=f"{tab}_grading_clahe_clip")
grading_clahe_clip = gr.Slider(minimum=0.0, maximum=5.0, step=0.25, value=0, label='CLAHE clip', elem_id=f"{tab}_grading_clahe_clip")
grading_clahe_grid = gr.Slider(minimum=2, maximum=16, step=1, value=8, label='CLAHE grid', elem_id=f"{tab}_grading_clahe_grid")
with gr.Group():
with gr.Row(elem_id=f"{tab}_grading_split_row"):