Lossless Data Hiding in the Spatial Domain for Image Tamper Detection

Han, Seungwu; Jin, Honglin; Fujiyoshi, Masaaki; Kiya, Hitoshi

doi:10.1109/ispacs.2006.364761

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Cited by 5 publications

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“…To overcome this undesirability, methods which hide digital signature into the image itself have been proposed. These methods are refer to as fragile watermarking [5,6]. These methods, however, require to compare the extracted watermark and possible watermarks to detect tampering, and this process increases computational consumption.…”

Section: Introductionmentioning

confidence: 99%

Image Tamper Detection using Mathematical Morphology

Kihara

Fujiyoshi

Wan

et al. 2007

2007 IEEE International Conference on Image Processing

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This paper proposes a tamper detecting method for images using mathematical morphology. The proposed method utilizes the idempotent property of morphological operations rather than fragile watermarking methods. While fragile watermarking methods that must extract the embedded watermark and compare it with the possible watermark to detect tampers, the proposed method detects and localizes tampers by only morphological operations and image subtraction in the spatial domain. Moreover, a visual signature system is proposed based on the proposed tamper detecting method. Experimental results show the effectiveness of the proposed method.

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Section: Introductionmentioning

confidence: 99%