A Study on Data-Driven Probability Estimator Design for Video Coding

Heiner Kirchhoffer,Christian Rudat,Michael Schaefer,Jonathan Pfaff,Heiko Schwarz,Detlev Marpe,Thomas Wiegand

2023 DATA COMPRESSION CONFERENCE, DCC（2023）

Fraunhofer Heinrich Hertz Inst

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摘要

Data-driven optimization is employed to study alternative approaches [1] to the probability estimator of the the Enhanced Compression Model (ECM) (which includes additional coding tools on top of the Versatile Video Coding standard). In ECM, each context model uses a weighted sum of two hypotheses for probability estimation with different associated adaptation rates. Four alternative approaches are studied:

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关键词

probability estimation,entropy coding,video coding

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