Pixel P Air-Wise Fragile Image Watermarking Based on HC-Based Absolute Moment Block Truncation Coding

In this paper, we first designed Huffman code (HC)-based absolute moment block truncation coding (AMBTC). Then, applied (AMBTC) to design a pixel pair-wise fragile image watermarking method. Pixel tampering detection and content recovery mechanisms were collaboratively in the proposed scheme enhance readability even when images have been tampered with. Representative features are derived from our HC-based AMBTC compression codes of original image, then serve as authentication information at same time during tamper operations. Recovery is embedded into two LSB with turtle shell-based data hiding method pre-determined matrix. Therefore, each non-overlapping pixel-pair carries four bits information. When recipient suspects that received may with, compressed can be used locate pixels, restore pixels.