/c/trimming.c

https://github.com/shisful/Image-OpenCV · C · 71 lines · 58 code · 13 blank · 0 comment · 1 complexity · 90f1288e221512e51f22ef415e296cb5 MD5 · raw file 

    

  1. include <cv.h>
    2. 

  2. #include <highgui.h>
    3. 

  3. #include "BlobResult.h"
    4. 

  4. 

  5. SV *
    6. 

  6. xs_labelling(self, inputFIleName, outputFileName)
    7. 

  7.     SV *self;
    8. 

  8.     char *filename;
    9. 

  9.     char *outputFileName;
    10. 

  10. PREINIT:
    11. 

  11.     IplImage *src_img, *dst_img;
    12. 

  12.     int sum_x, sum_y, x, y, count;
    13. 

  13.     double variance_x, variance_y, avr_x, avr_y;
    14. 

  14.     double *pdImg;
    15. 

  15.     double delta;
    16. 

  16.     
    17. 

  17.     int val;
    18. 

  18.     uchar *pSrc, *pDst;
    19. 

  19.     CvMemStorage *storage;
    20. 

  20.     CvHaarClassifierCascade *cascade;
    21. 

  21.     CvSeq *objects;
    22. 

  22.     CvRect *rect;
    23. 

  23.     AV *retval;
    24. 

  24.     HV *hash;
    25. 

  25.     CBlobResult blobs;
    26. 

  26. CBlob blob;
    27. 

  27. CvFont font;
    28. 

  28. CBlob blobWithBiggestPerimeter, blobWithLessArea;
    29. 

  29. 

  30. CODE:
    31. 

  31.     int i;
    32. 

  32.     CvPoint p1, p2;
    33. 

  33.     char text[64];
    34. 

  34.     
    35. 

  35.     src_img = cvLoadImage (inputFileName, CV_LOAD_IMAGE_COLOR)
    36. 

  36.     dst_img = cvCreateImage (cvSize (src_img->width, src_img->height), IPL_DEPTH_8U, 1);
    37. 

  37.     cvCvtColor (src_img, dst_img, CV_BGR2GRAY);
    38. 

  38.     cvInitFont (&font, CV_FONT_HERSHEY_SIMPLEX, 0.5, 0.5, 0, 1, CV_AA);
    39. 

  39.     
    40. 

  40.     blobs = CBlobResult (dst_img, NULL, 100, false);
    41. 

  41.     
    42. 

  42.     blobs.Filter (blobs, B_INCLUDE, CBlobGetArea (), B_INSIDE, 1000, 50000);
    43. 

  43.     
    44. 

  44.     for (i = 0; i < blobs.GetNumBlobs (); i++) {
    45. 

  45.         blob = blobs.GetBlob (i);
    46. 

  46.         p1.x = (int) blob.MinX ();
    47. 

  47.         p1.y = (int) blob.MinY ();
    48. 

  48.         p2.x = (int) blob.MaxX ();
    49. 

  49.         p2.y = (int) blob.MaxY ();
    50. 

  50.         
    51. 

  51.         cvRectangle (src_img, p1, p2, CV_RGB (255, 0, 0), 2, 8, 0);
    52. 

  52.         sprintf (text, "[%d] %d,%d", blob.Label (), (int) blob.area, (int) blob.Perimeter ());
    53. 

  53.         cvPutText (src_img, text, cvPoint (p1.x, p1.y - 5), &font, cvScalarAll (255));
    54. 

  54.     }
    55. 

  55.     
    56. 

  56.     blobs.GetNthBlob (CBlobGetPerimeter (), 0, blobWithBiggestPerimeter);
    57. 

  57.     blobWithBiggestPerimeter.FillBlob (src_img, CV_RGB (0, 255, 0));
    58. 

  58.     
    59. 

  59.     blobs.GetNthBlob (CBlobGetArea (), blobs.GetNumBlobs () - 1, blobWithLessArea);
    60. 

  60.     blobWithLessArea.FillBlob (src_img, CV_RGB (0, 0, 255));
    61. 

  61. 

  62.     cvNamedWindow ("Labeling", CV_WINDOW_AUTOSIZE);
    63. 

  63.     cvShowImage ("Labeling", src_img);
    64. 

  64.     cvWaitKey (0);
    65. 

  65.     
    66. 

  66.     cvDestroyWindow ("Labeling");
    67. 

  67.     cvReleaseImage (&src_img);
    68. 

  68.     cvReleaseImage (&dst_img);
    69. 

  69.     
    70. 

  70.     return 0;
    71. 

  71. }
    72.