Fragile Watermarking Using Subband Coding
نویسنده
چکیده
The paper deals with a new technique of fragile image watermarking. Proposed technique exploits inter-subband dependencies in order to minimize the influence of inserted watermark on the host image quality. Using the unique watermark based on the low-frequency subband, proposed scheme is resistant against attacks based on series of images analysis. Tampering detection ability of the proposed technique has been examined for a several types of image manipulation. keywords : fragile watermarking, subband coding, tamper proofing
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