1 | #include <opencv2/opencv.hpp>
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2 | #include <opencv2/core/core.hpp>
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3 | #include <opencv2/highgui/highgui.hpp>
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4 | #include <iostream>
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5 | #include <stdio.h>
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6 |
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7 | using namespace std;
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8 | using namespace cv;
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9 |
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10 | CascadeClassifier face_cascade;
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11 |
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12 | void detectFacialFeatures(Mat frame, Mat face_image, char* img_no)
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13 | {
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14 | std::vector<Rect> faces;
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15 | Mat frame_gray;
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16 |
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17 |
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18 | cvtColor( frame, frame_gray, CV_BGR2GRAY );
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19 | equalizeHist( frame_gray, frame_gray );
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20 |
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21 | //-- Detect faces
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22 | face_cascade.detectMultiScale( frame_gray, faces, 1.2, 2, 0|CV_HAAR_SCALE_IMAGE);
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23 | printf("\"count\":%i, \"faces\":[",faces.size());
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24 | for( int i = 0; i < faces.size(); i++ )
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25 | {
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26 | if (i > 0)
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27 | {
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28 | printf(",");
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29 | }
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30 | printf("{ \"x\":%i, \"y\":%i, \"width\":%i, \"height\":%i }",faces[i].x, faces[i].y, faces[i].width, faces[i].height);
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31 | ellipse( face_image,
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32 | Point( faces[i].x + (faces[i].width / 2), faces[i].y + (faces[i].height / 2) ),
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33 | Size( faces[i].width / 2, faces[i].height / 2 ),
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34 | 0,
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35 | 0,
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36 | 360,
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37 | Scalar( 0, 0, 0, 255),
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38 | -1,
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39 | 8 );
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40 |
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41 | }
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42 | printf("]");
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43 | }
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44 |
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45 | int main( int argc, char** argv )
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46 | {
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47 | if (argc < 3)
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48 | {
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49 | printf("Usage: %s <Path to OpenCV> <Path to image 1> ... <Path to image n>\n", argv[0]);
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50 | return 1;
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51 | }
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52 | Mat img;
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53 | std::string cascadeloc = std::string(argv[1]) + "/share/OpenCV/haarcascades/haarcascade_frontalface_alt2.xml";
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54 |
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55 | if( !face_cascade.load(cascadeloc) )
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56 | { printf("--(!)Error loading Face Cascade\n"); return -1; };
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57 | printf("{");
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58 | printf("\"count\":%i, \"files\":[",argc-2);
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59 | for (int i = 2; i < argc; i++)
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60 | {
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61 | if (i > 2) { printf(",");}
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62 | printf ("{");
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63 | img = imread(argv[i], CV_LOAD_IMAGE_COLOR);
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64 | printf("\"file\":\"%s\",",argv[i]);
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65 | if (!img.empty())
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66 | {
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67 | Mat face_image(img.rows, img.cols, CV_8UC4, Scalar(0,0,0,0));
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68 | detectFacialFeatures(img, face_image, argv[i]);
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69 | std::string s = argv[i];
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70 | replace(s.begin(), s.end(), '.', '-');
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71 | if (!face_image.empty())
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72 | {
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73 | imwrite( s + std::string("-faces.png"), face_image );
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74 | std::string cmd = "composite " + s + "-faces.png " + argv[i] + " " + s + "-merged.jpg";
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75 | system(cmd.c_str());
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76 | }
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77 | else
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78 | {
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79 | fprintf(stderr, "File '%s' didn't seem to capture any faces... Not Saving Faces Image\n", argv[i]);
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80 | }
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81 | }
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82 | else
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83 | {
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84 | printf("\"error\":\"File Doesn't exist, or isn't an image.\"");
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85 | }
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86 | printf("}");
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87 | }
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88 | printf("]}");
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89 |
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90 | return 0;
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91 | }
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