Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Preethish Kumar Manohar0
Ananthakrishna Madhyastha0
Pinaki Ghosh0
Date of Patent
October 2, 2007
0Patent Application Number
108620820
Date Filed
June 4, 2004
0Patent Primary Examiner
Patent abstract
An image processing method for conducting anisotropic diffusion filtering on a pixel value Ii,j in a two-dimensional image, comprises: finding conduction coefficients Cn, Cs, Cw, Ce, Cnw, Csw, Cne and Cse in eight surrounding directions for each pixel based on a pixel value gradient ∇I to produce a two-dimensional distribution image of the conduction coefficients; and finding pixel value first partial differentials ∇nI, ∇sI, ∇wI, ∇eI, ∇nwI, ∇swI, ∇neI and ∇seI in the eight surrounding directions for each pixel to calculate a pixel value in an output image according to:
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