Complexity-reduced IDCT for resolution-reduced MPEG-2 decoding

被引：0

作者：

Sun, SJ ^{[1
]}

Lei, SM ^{[1
]}

机构：

[1] Sharp Labs Amer, Camas, WA 98607 USA

来源：

7TH WORLD MULTICONFERENCE ON SYSTEMICS, CYBERNETICS AND INFORMATICS, VOL X, PROCEEDINGS: SIGNALS PROCESSING AND OPTICAL SYSTEMS, TECHNOLOGIES AND APPLICATIONS | 2003年

关键词：

MPEG-2; IDCT; complexity-reduced decoding; extended DCT masks; vertical transform skipping;

D O I：

暂无

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

Complexity-reduced video decoding techniques are essential to applications, where computation power is limited and full resolution images are not required. We propose a complexity-reduced Inverse Discrete Cosine Transform (IDCT) technique to save MPEG-2 decoding computation while retaining reasonable visual quality. The proposed method features with extended DCT masks and vertical transform skipping. It is tested against other existing techniques using rectangular DCT masks.

引用

页码：367 / 370

页数：4

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