Title of article :
Optimally isotropic Laplacian operator
Author/Authors :
Kamgar-Parsi، نويسنده , , B.، نويسنده , , Rosenfeld، نويسنده , , A.
، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 1999
Abstract :
Laplacian operators used in the literature for digital image processing are not rotationally invariant. We examine the anisotropy of 3×3 Laplacian operators for images quantized in square pixels, and find the operator which has the minimum overall anisotropy
Keywords :
Laplacian operator , Deblurring , Edge enhancement , spatialderivatives.
Journal title :
IEEE TRANSACTIONS ON IMAGE PROCESSING
Journal title :
IEEE TRANSACTIONS ON IMAGE PROCESSING