Qibin Sun, Shih-Fu Chang. Semi-fragile image authentication using generic wavelet domain features and ECC. In IEEE International Conference on Image Processing (ICIP), Rochester, NY, September 2002.
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In this paper we present a generic content-based solution targeting at authenticating image in a semi-fragile way, which integrates watermarking-based approach with signature-based approach. Robust signatures are cryptographically generated based on invariant features called significance-linked connected component (SLCC) extracted from image content and are then signed and embedded back into the image again as watermarks, all in the wavelet domain. De-noising and morphological filtering are applied as pre-processing to tame some small perturbations on extracted features caused by various incidental distortions introduced in acceptable mani-pulations such as lossy compression, common image processing (blurring, sharpening, etc.) as well as water-marking. Error correcting coding is employed to further bridge between generated signatures and watermarks in a novel way: message bits are formed based on SLCC features, and parity check bits are taken as the seeds of watermarks. The generated signature is hashable and can be incorporated into a PKI framework. Keywords digital signature, PKI, watermarking, image authentication, error correction coding
@InProceedings{dvmmPub211,
Author = {Sun, Qibin and Chang, Shih-Fu},
Title = {Semi-fragile image authentication using generic wavelet domain features and ECC},
BookTitle = {IEEE International Conference on Image Processing (ICIP)},
Address = {Rochester, NY},
Month = {September},
Year = {2002}
}
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