qt+opencv对两幅图片进行融合

本文博客链接:http://blog.csdn.net/jdh99,作者:jdh,转载请注明.

源代码：

1. #include "widget.h"
2. #include "ui_widget.h"
3. #include "public.h"
4. Widget::Widget(QWidget *parent) :
5. QWidget(parent),
6. ui(new Ui::Widget)
7. {
8. ui->setupUi(this);
9. cvNamedWindow("jdh1",1);
10. cvNamedWindow("jdh2",1);
11. cvNamedWindow("jdh3",1);
12. src1 = cvLoadImage("test.jpg");
13. src2 = cvLoadImage("lena.jpg");
14. dst = cvLoadImage("test.jpg");
15. QString str;
16. str.setNum(src1->width);
17. ui->lineEdit->setText(str);
18. str.setNum(src1->height);
19. ui->lineEdit_2->setText(str);
20. str.setNum(src2->width);
21. ui->lineEdit_3->setText(str);
22. str.setNum(src2->height);
23. ui->lineEdit_4->setText(str);
24. }
25. Widget::~Widget()
26. {
27. delete ui;
28. cvReleaseImage(&src1);
29. cvReleaseImage(&src2);
30. cvReleaseImage(&dst);
31. cvDestroyAllWindows();
32. }
33. void Widget::on_pushButton_clicked()
34. {
35. bool ok;
36. double alpha,beta,temp;
37. int x,y,width,height;
38. temp = ui->lineEdit_7->text().toDouble(&ok);
39. if (ok)
40. {
41. alpha = temp;
42. }
43. else
44. {
45. alpha = 0.4;
46. }
47. cout << alpha << endl;
48. temp = ui->lineEdit_8->text().toDouble(&ok);
49. if (ok)
50. {
51. beta = temp;
52. }
53. else
54. {
55. beta = 0.6;
56. }
57. cout << beta << endl;
58. x= ui->lineEdit_5->text().toInt(&ok,10);
59. cout << x << endl;
60. y = ui->lineEdit_6->text().toInt(&ok,10);
61. cout << y << endl;
62. width = ui->lineEdit_9->text().toInt(&ok,10);
63. cout << width << endl;
64. height = ui->lineEdit_10->text().toInt(&ok,10);
65. cout << height << endl;
66. cvSetImageROI(src1,cvRect(x,y,width,height));
67. cvSetImageROI(src2,cvRect(x,y,width,height));
68. cvSetImageROI(dst,cvRect(x,y,width,height));
69. cvAddWeighted(src1,alpha,src2,beta,0.0,dst);
70. cvResetImageROI(src1);
71. cvResetImageROI(src2);
72. cvResetImageROI(dst);
73. cvShowImage("jdh1",src1);
74. cvShowImage("jdh2",src2);
75. cvShowImage("jdh3",dst);
76. }

效果图：

http://blog.csdn.net/jdh99/article/details/6401000