通过代码压缩图像 [英] to compress images through code

问题描述

你好朋友，



我想在数据库中保存图像并希望第一次压缩它，或者使它变小，这样数据库的尺寸就会很小。怎么做？使用SQL 2005数据库。

hello friends,

i want to save images in a database and want to 1st compress it, or make it small size so that database will be of small size. How to do that? Using SQL 2005 database.

推荐答案

请参阅我对问题的评论，并且： http://en.wikipedia.org/wiki/Lossless_compression [ ^ ]，

http://en.wikipedia.org/wiki/Image_compression [ ^ ]。



对于特定于图像和标准图像压缩算法的压缩，请参阅：

http://msdn.microsoft.com/en-us/library/ms142147.aspx [ ^ ]，

http://msdn。 microsoft.com/en-us/library/9t4syfhh.aspx [ ^ ]，

http://msdn.microsoft.com/en-us/library/system.drawing.imaging.imageformat.aspx [ ^ ]。



格式化，查找和阅读其规范，了解其压缩质量，压缩率与质量和其他相关属性。这个主题太大了，无法在快速回答中涵盖，但您可以轻松找到适合您目的的合理选择;只做一些最小的研究和实验。

-SA

Please see my comment to the question and this: http://en.wikipedia.org/wiki/Lossless_compression[^],
http://en.wikipedia.org/wiki/Image_compression[^].

For compression specific to images and standard image compression algorithms, please see:
http://msdn.microsoft.com/en-us/library/ms142147.aspx[^],
http://msdn.microsoft.com/en-us/library/9t4syfhh.aspx[^],
http://msdn.microsoft.com/en-us/library/system.drawing.imaging.imageformat.aspx[^].

In each format, find and read its specification, to learn about its compression quality, compression rate vs quality and other related properties. This topic is too big to cover in a Quick Answer, but you can easily find a reasonably good option for your purpose; just do some minimal research and experimenting.

—SA

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