期刊
IEEE TRANSACTIONS ON MULTIMEDIA
卷 5, 期 1, 页码 34-38出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMM.2003.808816
关键词
discrete cosine transform; image watermarking; subsampling
A DCT-based image watermarking algorithm is described, where the original image is not required for watermark recovery, and is achieved by inserting the watermark in subimages obtained through subsampling.
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