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Volume 17 Issue 6
Dec.  1988
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JIANG Hangyi, CAI Yuanlong. LAPLACIAN OF POLYNOMIAL OPERATOR FOR IMAGE EDGE DETECTION[J]. INFORMATION AND CONTROL, 1988, 17(6): 26-29.
Citation: JIANG Hangyi, CAI Yuanlong. LAPLACIAN OF POLYNOMIAL OPERATOR FOR IMAGE EDGE DETECTION[J]. INFORMATION AND CONTROL, 1988, 17(6): 26-29.
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LAPLACIAN OF POLYNOMIAL OPERATOR FOR IMAGE EDGE DETECTION

  • Information and control Engng Dept., Xi'an Jiaotong Univ

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  • Received Date: April 24, 1988
  • Published Date: December 19, 1988
    Graphical Abstract
    • Abstract
  • An edge detection operator ▽2 p is developed by polynomial local surface fittingcombined with Laplacian operator.Edge point is defined as zero-crossing point ofthe output of ▽2 p.It is proved that,based on the orthogonal polynomiel function,the local surface fitting can be realized by convolution,thus the amount of operationis largely reduced.
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    • References (4)
  • [1]
    Marr D, Hildreth E C, Theory of Edge Detection, Proc R Soc London, Bzo7,1980;187-217
    [2]
    Haralick R M, Digital Step Edges from Zero-Crossing of Second Directional Derivatives,IEEE Trans, 1984; PAMI-6, 58-68
    [3]
    武汉大学、山东大学计算数学研究室．计算方法．人民教育出版社,1979
    [4]
    Wiejak J S, Convolution with Separable Masks for Early Image Processing, CVGIP, 1985;32:279-290
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