Spatially-Aligned Chroma from Luma Prediction for Lossless JPEG XS Raw Image Compression

Taizo Suzuki, Soma Yokota, Masaki Onuki

This study proposes a Chroma from Luma (CfL)-enhanced Star-Tetrix transform (STT), referred to as CfL-STT, for improving raw image compression in JPEG XS. The proposed CfL-STT inte…