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AimRT/_deps/boost-src/libs/gil/example/sobel_scharr.md
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2025-01-12 20:40:08 +08:00

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Sobel and Scharr filters for edge detection

Edge detection via Sobel and Scharr filters capabilities in GIL are demonstrated by the program sobel_scharr, compiled from the sources example/sobel_scharr.cpp.

Synopsis

sobel_scharr input.png sobel|scharr output-x.png output-y.png

  • The first argument must be the full path to an existing image in PNG format
  • The second argument is the type of the filter to apply, either sobel or scharr
  • The third argument is the full path to an image of the result of applying the filter in the x direction. The directory will not be created and must exist
  • The fourth and last argument is the full path to an image of the result of applying the filter in the y direction. The directory will not be created and must exist.

Specific requirements

Build requirements

  • A C++ compiler compliant with C++14 or above
  • The PNG library installed and configured.

Execution requirements

sobek_scharr doesn't have any specific execution requirements.