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作者:

Chi, Zhang (Chi, Zhang.) (学者:张弛) | Hongbin, Zhang (Hongbin, Zhang.)

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摘要:

In this paper, we propose a new method that could reveal some traces that were left in the tampered digital images without using watermarking technique. Our method is based on detecting the presence of feather operation, which is particularly useful to create a smooth transition between the selected region and its surroundings. The similarity of pixel neighborhood is used as weight coefficient to modulate local entropy value. The forged region can be determined by the value of weighted local entropy precisely. Results of experiments on tampered images will be given. ©2007 IEEE.

关键词:

Digital forensics Image processing Entropy

作者机构:

  • [ 1 ] [Chi, Zhang]Computer Institute, Beijing University of Technology, Beijing, China
  • [ 2 ] [Hongbin, Zhang]Computer Institute, Beijing University of Technology, Beijing, China

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年份: 2007

页码: 62-67

语种: 英文

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SCOPUS被引频次: 16

ESI高被引论文在榜: 0 展开所有

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