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Visual Autoregressive Priors for RAW-to-sRGB Image Signal Processing
RAW-to-sRGB image signal processing (ISP) must recover perceptually faithful colors and fine details from sensor measurements, often under imperfect spatial alignment and missing camera metadata. This paper presents, to the best of our knowledge, the first application of visual autoregressive (VAR) next-scale prediction over a discrete image codebook to the RAW-to-sRGB ISP task. We adapt a frozen 1.10\,B-parameter VAR backbone for RAW-conditioned ISP with only 32.93\,M trainable parameters (2.99\%), and propose a frequency-decomposed color loss that separately supervises low-frequency tone via
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Evidence & attribution
- arXiv · AI, language, vision and robotics · 2026-09-16T08:24:26.000Z
First collected: 2026-09-20T08:01:03.945Z. This is not the publication date.