Detection of tampered region in Digital Image
2016-08-23
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Digital images are easy to manipulate and edit due to the availability of powerful image processing and editing software. Today, important features can be added or removed from imagewithout, which leaves any obvious traces of tampering. As the analog counterparts of digital cameras and video cameras, it is necessary to verify their contents when they are used to verify digital images, and the analysis forgery will only increase. Malicious manipulation and digital forgeries detection are the main topics of this paper. In particular, we focus on the special type of digital forgery, in which a part of the image detected by copy mobile attack is copied and pasted somewhere, trying to cover up an important image feature and other parts of the image. In this paper, we investigate the problem of detecting replica mobile forgery and describe an efficient and reliable detection method. This method may successfully detect the forgery part, even when the copied region is enhanced / retouched to merge it with the background, when the lossy format such as JPEG forgery image issaved. The performance of the method is demonstratedon several forged images.
matlab
数字
图像
区域
检测
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