Review: CNNAC — CNN-based Arithmetic Coding for DC Coefficients (HEVC Intra Coding)

DenseNet-like Network, Average 22.47% Bits Saving for DC Coefficients, Average 1.6% BD-Rate Reduction

Outline

1. DC Coefficients

DC Coefficient is at top left corner after DCT

2. Network Architecture

Flowchart of CNNAC
CNN Structure
Two synthetic images used to calculate the minimal and maximal values of DC coefficients in HEVC intra coding

3. Experimental Results

Bits saving for DC coefficients using CNNAC
BD-rate (%) using CNNAC

During the days of coronavirus, I hope to write 30 stories in this month to give myself a small challenge. This is the 21st story in this month. Thanks for visiting my story…

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