A survey on passive-blind image forgery by doctor method detection

With the huge increasing use of digital photography, and the advent of high-performance commodity hardware and the presence of low-cost image editing softwares over the past few years, finding a credible method to detect digital imagepsilas authenticity and getting the result that which method the tampered image was applied to becomes a very valuable topic. In this paper, associating with the common forge methods, we propose the process of passive-blue detection of digital imagepsilas forging method, and then review the latest development of the passive-blind detection of image forging method, mainly include the detection of copy.move forgery, detection of blur forgery and detection of re-sample forgery.