A low-complexity and high-quality image compression method for digital cameras

被引：15

作者：

Xie, X ^{[1
]}

Li, GL ^{[1
]}

Wang, ZH ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China

来源：

ETRI JOURNAL | 2006年 / 28卷 / 02期

关键词：

near-lossless image compression; Bayer format image; JPEG-LS;

D O I：

10.4218/etrij.06.0205.0071

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 letter proposes a new near-lossless image compression method with only one line buffer cost for a digital camera with Bayer format image. For such format data, it can provide a low average compression rate (4.24bits/pixel) with high-image quality (larger than 46.37dB where the error of every pixel is less than two). The experimental results show that the near-lossless compression method has better performance than JPEG-LS (lossless) with delta = 2 for a Bayer format image.

引用

页码：260 / 263

页数：4

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