1. Perl @ 2. Perl Why perl? Rapid Prototyping CPAN perl CAN DO IT !! 3. ?1. 2. 3. 4. ?1. 2. 3. 5. CPAN use Image::Magick #The one. use Prima #Perl Graphic ToolkitIPA Image Class use IPA #Image Processing AlgorithmsErosion, Dilation, Open 6. : 3 7. . . . 8. 9. !! 10. Image::Magick . 11. Image::Magick 12. 2 IPA threshold 100 0, 100 255 13. 2 IPA erode, dilate 14. : http:www.dspguide.comch254.htm 15. 2 16. 17. !! 18. IPA 2 19. 255 LEFT, TOP,WIDTH, HEIGHT 20. 21. perl . Perl CPAN. . 22.