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Mixed scheme for image edge detection based on Wavelet Transform

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Journal of Electronics

Abstract

A mixed scheme based on Wavelet Transformation (WT) is proposed for image edge detection. The scheme combines the wavelet transform and traditional Sobel and LoG (Laplacian of Gaussian) operator edge-detection algorithms. The precise theory analysis is given to show that the wavelet transformation has an advantage for signal processing. Simulation results show that the new scheme is better than only using the Sobel or LoG methods. Complexity analysis is also given and the conclusion is acceptable, therefore the proposed scheme is effective for edge detection.

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References

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Author information

Authors and Affiliations

  1. Dept of Electronic Engineering, Northwestern Polytechnical University, 710072, Xi’an

    Xie Hongmei, Yu Bianzhang & Zhao Jian

Authors
  1. Xie Hongmei
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  2. Yu Bianzhang
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  3. Zhao Jian
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Additional information

Supported by the National Defence 973 project (2002HS0604, 2002HS0634)

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Cite this article

Xie, H., Yu, B. & Zhao, J. Mixed scheme for image edge detection based on Wavelet Transform. J. of Electron.(China) 21, 471–475 (2004). https://doi.org/10.1007/BF03036998

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  • DOI: https://doi.org/10.1007/BF03036998

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