2 papers
eess.IV2026
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…
math.NA2017
Fast Singular Value Shrinkage with Chebyshev Polynomial Approximation Based on Signal Sparsity
Masaki Onuki, Shunsuke Ono, Keiichiro Shirai +1
We propose an approximation method for thresholding of singular values using Chebyshev polynomial approximation (CPA). Many signal processing problems require iterative application…