Substrate fluorescent non-overlapping dot patterns for embedding information in printed documents United States Patent 8821996 Abstract: The teachings as provided herein relate to a watermark embedded in an imag
2.The method of claim 1, wherein receiving comprises receiving the first sub-block of instructions and embedding obfuscation instructions between the sequentially executable instructions of the first sub-block of instructions. 3.The method of claim 1, wherein receiving further comprises:receiving a se...
Wang proposed an image self-embedding method, using authentication watermark and recovery watermark to complete image restoration. The authentication watermark locates the tampered area. The recovery watermark is compressed into different categories and encoded into variable lengths to improve the quality of...