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Demonstration of gradient of a scalar function, divergence of vector field and edge detection of a gray scale image using laplacian filter (divergence of gradient of image).

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KumaarBalbir/laplacian-edge-detection

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Gradient of a scalar function

Input function : cos(x*y)

Input-function

Gradient

gradient

Divergence of a vector field

Input vector field: x component -sin(x)*sin(y) and y component cos(x)*cos(y)

Input-field

Divergence

divergence

Edge detection using laplacian filter

Input image:

input-image

Edge detected:

edge

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Demonstration of gradient of a scalar function, divergence of vector field and edge detection of a gray scale image using laplacian filter (divergence of gradient of image).

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edge-detection laplacian-filter

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