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Research questionHow can in-camera colorimetric mapping stay accurate under non-Planckian LED illumination?Conventional camera color mapping interpolates between calibrated transforms using one-dimensional correlated color temperature. LEDs with chromaticities away from the Planckian locus cannot be characterized reliably by temperature alone, causing color reproduction errors.
Computer Vision
Image & Video Processing
Machine Learning
Research Paper
Small / On-device Models
Technology
Latest papersRecent research connected to this question, newest first.Off the Planckian Locus: Using 2D Chromaticity to Improve In-Camera ColorThe paper uses a lightbox calibration procedure with representative LED sources to train a lightweight chromaticity-based MLP. It reports validation across diverse LED-lit scenes, backward compatibility with traditional illuminants, support for multi-illuminant scenes, a 22% average reduction in angular reproduction error, and negligible added computation for real-time in-camera use.research paper · Sep 3, 2026
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