A block-based JPEG-LS compression technique with lossless region of interest

Lihua Deng; Zhenghua Huang; Shoukui Yao

doi:10.1117/12.2285107

6 March 2018 A block-based JPEG-LS compression technique with lossless region of interest

Lihua Deng, Zhenghua Huang, Shoukui Yao

Proceedings Volume 10610, MIPPR 2017: Parallel Processing of Images and Optimization Techniques; and Medical Imaging; 106100B (2018) https://doi.org/10.1117/12.2285107
Event: Tenth International Symposium on Multispectral Image Processing and Pattern Recognition (MIPPR2017), 2017, Xiangyang, China

Abstract

JPEG-LS lossless compression algorithm is used in many specialized applications that emphasize on the attainment of high fidelity for its lower complexity and better compression ratios than the lossless JPEG standard. But it cannot prevent error diffusion because of the context dependence of the algorithm, and have low compression rate when compared to lossy compression. In this paper, we firstly divide the image into two parts: ROI regions and non-ROI regions. Then we adopt a block-based image compression technique to decrease the range of error diffusion. We provide JPEG-LS lossless compression for the image blocks which include the whole or part region of interest (ROI) and JPEG-LS near lossless compression for the image blocks which are included in the non-ROI (unimportant) regions. Finally, a set of experiments are designed to assess the effectiveness of the proposed compression method.

Citation Download Citation

Lihua Deng, Zhenghua Huang, and Shoukui Yao "A block-based JPEG-LS compression technique with lossless region of interest", Proc. SPIE 10610, MIPPR 2017: Parallel Processing of Images and Optimization Techniques; and Medical Imaging, 106100B (6 March 2018); https://doi.org/10.1117/12.2285107

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