LAPLACE OPERATOR.ppt [Lecture seule]

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LAPLACE OPERATOR.ppt [Lecture seule]

LAPLACE OPERATOR.ppt [Lecture seule]

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LOG filter (Laplacian of Gaussian)G(x,y)212e2 2x + y−22σ= πσ[ ] [ ]Compute:∂∂G(x,y) G(x,y) G(x,y)∂x∂y2 22∇ = +2 2

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LOG filter (Laplacian of Gaussian)

LOG filter (Laplacian of Gaussian)G(x,y)212e2 2x + y−22σ= πσ[ ] [ ]Compute:∂∂G(x,y) G(x,y) G(x,y)∂x∂y2 22∇ = +2 2

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Page 3 and 4: It follows that:Laplace operator[ ]
Page 5 and 6: Laplace operatorThe Laplace operato
Page 7 and 8: Laplace operator• Sensitive to hi
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