Muhammad Qasim
Muhammad Qasim

Reputation: 361

Edge extraction of an image in imagemagick

I am working on image processing in imagemagick and I've got this! image to process. I am very new to image processing and specially to imagemagick so I don't know much about it however I've tried to solve this problem by applying different techniques like blurring,sharpening, labeling, background changing with different mask values but no use. Please anyone tell me that what transformations or techniques should I apply to extract edges of characters in the above image. Please tell here or give link to any resources where I could read more about it. I've tried to read the examples at IM's website but that all went upon my head.Any help in this regard will be appreciated. Thanks

Upvotes: 1

Views: 2565

Answers (1)

fmw42
fmw42

Reputation: 53081

I do not know how to download the image you have linked. But there are lots of ways to create edge images in ImageMagick.

convert image -edge 1 result

Also see http://www.imagemagick.org/Usage/morphology/#difference http://www.imagemagick.org/Usage/convolve/#edgedet

Upvotes: 2

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