AN ADAPTIVE PERCEPTUAL QUANTIZATION ALGORITHM FOR VIDEO CODING

被引：8

作者：

CHUN, KW

LIM, KW

CHO, HD

RA, JB

机构：

[1] Department of Electrical Engineering, Korea Advanced Institute of Science and Technology, Taejon, 373-1, Kusongdong, Yusonggu

来源：

IEEE TRANSACTIONS ON CONSUMER ELECTRONICS | 1993年 / 39卷 / 03期

关键词：

Algorithms - Buffer circuits - Distortion (waves) - Encoding (symbols) - Spurious signal noise;

D O I：

10.1109/30.234634

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper describes a new adaptive quantization algorithm for video sequence coding, which can reflect macroblock characteristics as well as the status of the output channel buffer. To exploit local perceptual characteristics in the macroblock, block-based visual activities are determined and used to decide the perceptual quantization scaling factor. By using the proposed scheme, coding distortion is uniformly distributed across the image and its visibility is further minimized.

引用

页码：555 / 558

页数：4

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[2] Motion-Compensated Video Coding with Adaptive Perceptual Quantization [J].

Puri, Atul ;

Aravind, R. .

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, 1991, 1 (04) :351-361

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