INTRODUCTION With the development of digital image processing technology, and wide spread use of digital image processing software, such as Photoshop, the modification of digital images has become much easier for people without professional knowledge. This makes our lives more colorful; however, a new problem is introduced. Is a digital image's authenticity trustworthy? How do we check the digital image's authenticity? Therefore, using digital image forensics to check a digital image's authenticity has become a significant research focus. We will review the current digital image forensics technology first. ABSTRACT In this paper, the authors investigate the prospect of using multi-resolution histograms (MRH) in conjunction with digital image forensics, particularly in the detection of two kinds of copy-move manipulations , i.e., cloning and splicing. To the best of the authors' knowledge, this is the first work that uses the same feature in both cloning and splicing forensics. The experimental results show the simplicity and efficiency of using MRH for the purpose of clone detection and splicing detection.
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