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Extracting symbols from thumbnails with perl

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  1. 1. Perl @
  2. 2. Perl Why perl? Rapid Prototyping CPAN perl CAN DO IT !!
  3. 3. ?1. 2. 3.
  4. 4. ?1. 2. 3.
  5. 5. CPAN use Image::Magick; #The one. use Prima; #Perl Graphic ToolkitIPA Image Class use IPA; #Image Processing AlgorithmsErosion, Dilation, Open
  6. 6. : 3
  7. 7. . . .
  8. 8.
  9. 9. !!
  10. 10. Image::Magick .
  11. 11. Image::Magick
  12. 12. 2 IPA threshold 100 0, 100 255
  13. 13. 2 IPA erode, dilate
  14. 14. : http://www.dspguide.com/ch25/4.htm
  15. 15. 2
  16. 16.
  17. 17. !!
  18. 18. IPA 2
  19. 19. 255 LEFT, TOP,WIDTH, HEIGHT
  20. 20.
  21. 21. perl . Perl CPAN. .
  22. 22.

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