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A Survey of Digital Forensic Techniques for Digital Libraries
Abstract
Today, many digital forensic techniques for digital images are developed to serve the purpose of the origin identification and integrity verification for security reasons. Generally speaking, these methods can be divided into two classes, the methods based on the extracted features, which are usually the high frequency noise inside the investigating images and the methods based on the contents of the images. Different techniques may be developed specially against different forging attacks, while be vulnerable to other malicious manipulations on the images. This paper reviews the most popular techniques in order to help the user to understand the techniques and find the most proper methods for variety forensic purpose in different situations.
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