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Laplacian Filter

Category: Image Filters
Description: Uses a Laplacian shaped kernel to edge find. The diffence between image and the sum image of the Laplacian and the original image are computed to give a smoothed and sharpened result also.
Acknowledgements: See 'The Image Processing Handbook' by John Russ for an excellent overview of image processing techniques and applications.
Script version: 2.0
DM/GMS version: 3.6.5
Script written as a function: No
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