IMAGE COMPRESSION BY THE JPEG ALGORITHM

被引：0
|
作者：
LAMMI, L
SARJAKOSKI, T
机构：
来源：
PHOTOGRAMMETRIC ENGINEERING AND REMOTE SENSING | 1995年 / 61卷 / 10期
关键词：
D O I：
暂无
中图分类号：
P9 [自然地理学];
学科分类号：
0705 ; 070501 ;
摘要：
Image compression is a necessity for the utilization of large digital images, e.g., digitized aerial color images. The JPEG still-picture compression algorithm is one alternative for carrying out the image compression task. The JPEG method itself and its suitability for photogrammetric work are studied, with special attention being paid to the geometric degradation of digital images due to the compression process. In our experience, the JPEG algorithm seems to be a good choice for image compression. For color images, it gives a compression ratio of about 1:10 without considerable degradation in the visual or geometric quality of the image.
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页码：1261 / 1266
页数：6
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