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Communication Dans Un Congrès Année : 2023

Towards Machine Perception Aware Image Quality Assessment

Résumé

Over the years, the objective of image and video compression has been to preserve perceived quality according to the Human Visual System (HVS) with minimal rate. Traditional encoders achieve this with the use of Rate-Distortion Optimization (RDO) techniques along with Image Quality Assessment (IQA) metrics that are correlated with human perception. Nowadays, a fast-growing number of applications fall within the realm of Video Coding for Machines (VCM), where the final recipient of compressed data is not a human but a machine performing a vision task. Recently, the lack of correlation between existing distortion measures and machine perception has been revealed, especially for RDO algorithms where distortion measures are computed on a local scale. In this paper, we propose a machine perception-aware metric designed to be incorporated into a standard-compliant Versatile Video Coding (VVC) encoder. Our proposed metric relies on a supervised training procedure as well as additional information available on the encoder side. In terms of correlation with machine perception, our metric significantly outperforms existing distortion measures in the literature.
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Dates et versions

hal-04205183 , version 1 (12-09-2023)

Identifiants

Citer

Alban Marie, Karol Desnos, Chen Fu, Jinjia Zhou, Luce Morin, et al.. Towards Machine Perception Aware Image Quality Assessment. IEEE 25th International Workshop on MultiMedia Signal Processing (MMSP 2023), Sep 2023, Poitiers, France. pp.1-6, ⟨10.1109/MMSP59012.2023.10337677⟩. ⟨hal-04205183⟩
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