An Efficient Coding Method for Coding Region-of-Interest Locations in AVS2
Mingliang Chen, Weiyao Lin, Xiaozhen Zheng
TL;DR
This paper introduces an efficient method for coding Region-of-Interest locations in AVS2 video standard, enhancing video coding efficiency and practical applications like surveillance and content analysis.
Contribution
The paper proposes a novel ROI location coding tool with three schemes, integrated into AVS2's surveillance profile, improving the efficiency of encoding ROI information.
Findings
The coding tool is adopted in AVS2 surveillance profile.
Three schemes offer flexible options for ROI coding.
Analysis shows trade-offs between schemes' efficiency and complexity.
Abstract
Region-of-Interest (ROI) location information in videos has many practical usages in video coding field, such as video content analysis and user experience improvement. Although ROI-based coding has been studied widely by many researchers to improve coding efficiency for video contents, the ROI location information itself is seldom coded in video bitstream. In this paper, we will introduce our proposed ROI location coding tool which has been adopted in surveillance profile of AVS2 video coding standard (surveillance profile). Our tool includes three schemes: direct-coding scheme, differential- coding scheme, and reconstructed-coding scheme. We will illustrate the details of these schemes, and perform analysis of their advantages and disadvantages, respectively.
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