🔋 Local Dimming Labeler 6×6 · APL×Concentration(top5/64) · max 25%
Interp:
Globalon top of the algorithm
Overall × 1.00×
Slope limit 0.20
Max gain difference between adjacent 6×6 cells (before interpolation). Lower = smoother (less perceptible), slightly less saving. 0.25 = off. This is why tuning one block nudges its neighbours.
Load an image to show per-block APL / concentration…
Flow: load a screenshot → Processed view → tap a block, drag Strength → Save labels. Saves ONE JSON: filename + original (algorithm) label + tuned label, each with per-block gain & saving %.
Tap a block to tune 1.0×
Strength —