Abstract
At its 94th meeting (17–21 January 2022), International Organization for Standardization (ISO)/IEC SC29WG1 (also known as JPEG Committee) decided to create a third edition of the JPEG XS standard (ISO/IEC 21122) for lightweight, low-latency image coding. While existing coding tools in the standard already support the compression of natural content and color filter array (CFA) RAW Bayer pattern data well, this third edition will extend the previous editions with coding tools that improve its performance on the compression of screen content and image sequences with static background. The first experiments demonstrate that the proposed coding tools can improve the average peak signal-to-noise ratio (PSNR) performance of JPEG XS on such sequences of more than 10 dB, and approximately 3 dB on computer-generated content. In this work, the authors will present the proposed coding tools and will evaluate their performance objectively by PSNR.
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