The LOCO-I lossless image compression algorithm: principles and standardization into JPEG-LS
IEEE Transactions on Image Processing
Improved lossless intra coding for H.264/MPEG-4 AVC
IEEE Transactions on Image Processing
Overview of the H.264/AVC video coding standard
IEEE Transactions on Circuits and Systems for Video Technology
Context-based adaptive binary arithmetic coding in the H.264/AVC video compression standard
IEEE Transactions on Circuits and Systems for Video Technology
Improved CAVLC for H.264/AVC Lossless Intra-Coding
IEEE Transactions on Circuits and Systems for Video Technology
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Since a block-based frequency transform is applied to residual data in lossy coding, it can reduce the spatial correlation efficiently. However, since residual data obtained from prediction is directly encoded without transform and quantization in lossless coding, there are some differences of the statistical properties in residuals between lossy and lossless coding. Based on the statistical characteristics of residuals in the spatial domain, we proposed an efficient context-based adaptive binary arithmetic coder (CABAC) for lossless residual coding. Experimental results show that the proposed CABAC provided approximately 19% bit saving, compared to the conventional CABAC.