Adapting JPEG XS Gains and Priorities to Tasks and Contents - Crossminds
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Adapting JPEG XS Gains and Priorities to Tasks and Contents
Sep 29, 2020
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Authors: Benoit Brummer, Christophe de Vleeschouwer Description: Most current research in the domain of image compression focuses solely on achieving state of the art compression ratio, but that is not always usable in today's workflow due to the constraints on computing resources. Constant market requirements for a low-complexity image codec have led to the recent development and standardization of a lightweight image codec named JPEG XS. In this work we show that JPEG XS compression can be adapted to a specific given task and content, such as preserving visual quality on desktop content or maintaining high accuracy in neural network segmentation tasks, by optimizing its gain and priority parameters using the covariance matrix adaptation evolution strategy.
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