javascript - Edge detection and removal -


i new image processing. developing web application. need take image (free hand drawings) , remove parts of it. example, take image of cat , remove except eye.

p.s-> developing pictionary game based authentication system. requires user select image co-relating password, , morph detecting edges , removing parts of , store cue , display him, makes sense him , not attacker.

edge detection done via process called convolution. there various convolution matrixes defined, 1 of edge detection. you're going have up, , how convolution in java: see java.awt.image.convolveop start. how remove 'everything except' question.


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