Unsharp Masking Sharpening Detection via Overshoot Artifacts Analysis

@article{Cao2011UnsharpMS,
  title={Unsharp Masking Sharpening Detection via Overshoot Artifacts Analysis},
  author={Gang Cao and Yao Zhao and Rongrong Ni and Alex ChiChung Kot},
  journal={IEEE Signal Processing Letters},
  year={2011},
  volume={18},
  pages={603-606}
}
In this letter, we propose a new method in detecting unsharp masking (USM) sharpening operation in digital images. Overshoot artifacts are found to occur around side-planar edges in the sharpened images. Such artifacts, measured by a sharpening detector, can serve as a rather unique feature for identifying the previous performance of sharpening operation. Test results on photograph images with regard to various sharpening operators show the effectiveness of our proposed method. 
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