PNG FILE

[jxhuang0508]

If my data is .png form, can I directly use this jpeg2dct?, or I need to first transform it from .png to jpeg?

[jxhuang0508]

Looking forward to your reply, thanks for your sharing!!

[zhangchbin]

The same problem.

[nestordemeure]

I am not the author but you are going to need to convert you data to jpeg first as the png format does not convert pixels to DCT.