A fractional-order edge detection operator for medical image structure feature extraction

@article{Tian2014AFE,
  title={A fractional-order edge detection operator for medical image structure feature extraction},
  author={Dan Tian and Jingfei Wu and Yajie Yang},
  journal={The 26th Chinese Control and Decision Conference (2014 CCDC)},
  year={2014},
  pages={5173-5176}
}
This paper introduces a novel fractional-order gradient operator for medical image structure feature extraction. The proposed operator can be seen as generalization of the first-order Sobel operator based on the GL fractional derivative definition. The generalization goal is to utilize the frequency characteristic of the fractional derivative for extracting more structure feature details. A thresholding is set based on the average fractional-order gradient for marking the edge points, and then… CONTINUE READING

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