Digital antiamp;minus forging method

摘要

The present invention relates to a technique of digital anti-forging based on the digital watermarking, belonging to the field of image processing and information security. Using the technique of the digital watermarking can make digital signature or other information figurize. The present invention can combine with the existing certificate, handwriting signature, stamper and bar code, and make digital signature syncretize to digital or paper files in order to protect and prevent that important file, business contact, trademark and personal certificate are counterfeited, and it is a novel digital anti-forging solution.