恢复图像数据 [英] recovering image data

问题描述

我已经使用位图类创建了一个.bmp图像.
然后我设置了它的ARGB值.
然后，我已使用jpeg格式将位图图像保存到磁盘
保存("s.jpg"，imageformat.jpg)
现在很明显，位图图像的ARGB值已更改

将图像压缩为jpeg格式后，是否有任何方法可恢复原始位图像素数据.
PLZ帮我:-O

I have created a .bmp image by using the bitmap class.
Then I have set it''s ARGB Values .
I have then saved the bitmap image to disk by using jpeg format
save("s.jpg",imageformat.jpg)
Now it is obvious that the ARGB values of bitmap image are changed

Is there any method to recover the original bitmap pixel data after compressing the image to jpeg format.
PLZ Help Me:-O

推荐答案

好吧，有损压缩是..."有损".
:)

Well, lossy compression is... "lossy".

:)

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