Mosaic015838 Min High Quality — Pppe153

import cv2 def to_linear_srgb(bgr): srgb = bgr[..., ::-1] / 255.0 # BGR→RGB & normalise linear = np.where(srgb <= 0.04045, srgb / 12.92, ((srgb + 0.055) / 1.055) ** 2.4) return linear Many JPEG tiles contain compression noise. Apply a light non‑local means filter: