Boundary-Continuous Cross-Camera RGB Mapping via Hue-Split Model Trees
We propose a hue-split model-tree method for boundary-continuous cross-camera RGB mapping. Cross-camera RGB mapping aims to produce consistent color representations across cameras whose recorded RGB values differ due to sensor spectral sensitivities and image-signal processing pipelines. A common chart-based remedy is to estimate a single global affine color correction matrix (CCM), but such a global model cannot capture hue-specific discrepancies between cameras. To capture that behavior, we recursively partitions the source-camera color space along a scalar hue coordinate and builds an model tree that stores an affine CCM at every node. For fitting the node CCMs, we utilize a log-domain...
| Authors | Yuma Kinoshita, Hitoshi Kiya |
|---|---|
| Primary category | eess.IV |
| Published | 12 August 2026 |
| Last updated at source | 12 August 2026 |
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