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Is there a software package online that provides easy FFT, DCT, and/or DWT to watermark images? Even more specifically, JPG images. It should feature either batch file processing capabilities, or a CLI, or both.

I read the following article this evening, and I have come to the conclusion that transform domain changes will provide superior robustness over spatial domain techniques:

Originally, I wanted to experiment with openpuff, but this uses LSB coupled with cryptography to provide image protection, which is very susceptible to image manipulation attacks (ie. your encapsulated message will be destroyed and the attackers become successful).

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