Non-EE2: Optimization of probability estimation in CABAC

Damian Karwowski; Dawid Mieloch; Mateusz Lorkiewicz; Jakub Stankowski

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Title

Non-EE2: Optimization of probability estimation in CABAC

Authors

Damian Karwowski (WIiT) ^{[ 1 ][ 2.3 ][ P ]}
Dawid Mieloch (WIiT) ^{[ 1 ][ 2.3 ][ P ]}
Mateusz Lorkiewicz (WIiT) ^{[ 1 ][ 2.3 ][ P ]}
Jakub Stankowski (WIiT) ^{[ 1 ][ 2.3 ][ P ]}

^{[ 1 ]} Instytut Telekomunikacji Multimedialnej, Wydział Informatyki i Telekomunikacji, Politechnika Poznańska | ^{[ P ]} employee

Scientific discipline (Law 2.0)

[2.3] Information and communication technology

Year of publication

2025

Chapter type

chapter in monograph / paper

Publication language

english

Abstract

EN The document proposes a method for improving video coding by introducing optimization of probability estimation in CABAC. This proposal introduces a new adaptation strategy for the parameters of the data statistics model, using the history of encoded symbols for a more accurate estimation of probabilities of symbols. The proposed method was implemented in the ECM-16.1 software and achieved no change in AI results and -0.02%, -0.04%, -0.06% for Y, U, and V components (partial results from B and C classes).

Pages (from - to)

1 - 4

Book

150 MPEG Meeting

Presented on

150 MPEG Meeting, 31.03.2025 - 04.04.2025, Online, Poland

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