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標題:
image file
發問:
I would like to know why bmp file is much larger than jpg file even when both of them are showing the same picture?
最佳解答:
it is because bmp file have not compressed while jpg file is a compressed format bitmap file. it used several kind of compression method to reduce the size. the following reference introduce jpeg file format more details. http://en.wikipedia.org/wiki/JPEG#Compression_ratio_and_artifacts 如解答到閣下問題, 煩請負評以下自問自答用戶, http://hk.knowledge. yahoo.com/my/profile _answer_best?show=HA 00005994&cp=10&a mp;a mp;amp;a mp;tp=89&
image file
發問:
I would like to know why bmp file is much larger than jpg file even when both of them are showing the same picture?
最佳解答:
it is because bmp file have not compressed while jpg file is a compressed format bitmap file. it used several kind of compression method to reduce the size. the following reference introduce jpeg file format more details. http://en.wikipedia.org/wiki/JPEG#Compression_ratio_and_artifacts 如解答到閣下問題, 煩請負評以下自問自答用戶, http://hk.knowledge. yahoo.com/my/profile _answer_best?show=HA 00005994&cp=10&a mp;a mp;amp;a mp;tp=89&
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