A single chip motion JPEG codec LSI

被引:11
|
作者
Okada, S [1 ]
Matsuda, Y [1 ]
Watanabe, T [1 ]
Kondo, K [1 ]
机构
[1] SANYO ELECT CO LTD,MOS LSI DIV,GIFU 50301,JAPAN
关键词
D O I
10.1109/30.628651
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
We have developed a single chip motion JPEG codec LSI that can compress and decompress VGA-size (640 pixels x 480 lines) JPEG images at the rate of 30 frames per second simply by connecting a single external buffer memory chip. The LSI can control compression ratio control technique to store a fixed number of images when there is limited memory capacity, and it compresses data stored in the frame buffer to enable high-speed signal processing without the use of high-speed image memory. The JPEG codec core is small (40,000 gates) and power consumption is low (220 mW), making it well suited to a wide range of image processing applications in consumer products.
引用
收藏
页码:418 / 422
页数:5
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