Abstract:A blind, low complex, fast, and highly resistant to attacks watermarking algorithm is proposed for JPEG compressed images. Our method is a discrete cosine transform (DCT) and block based algorithm that adds some Huffman code words to the end of the code sequence of some blocks during JPEG compression procedure. Via a blind approach in decoder, each block is determined to be a watermarked or unwatermarked one. While the robustness to attacks is still preserved, the size of watermarked image may differ from the … Show more
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