zoukankan      html  css  js  c++  java
  • 《学习OpenCV》练习题第三章第五题

     1 #include <highgui.h>
     2 #include <cv.h>
     3 #include <stdio.h>
     4 
     5 #pragma comment (lib,"opencv_calib3d231d.lib")
     6 #pragma comment (lib,"opencv_contrib231d.lib")
     7 #pragma comment (lib,"opencv_core231d.lib")
     8 #pragma comment (lib,"opencv_features2d231d.lib")
     9 #pragma comment (lib,"opencv_flann231d.lib")
    10 #pragma comment (lib,"opencv_gpu231d.lib")
    11 #pragma comment (lib,"opencv_haartraining_engined.lib")
    12 #pragma comment (lib,"opencv_highgui231d.lib")
    13 #pragma comment (lib,"opencv_imgproc231d.lib")
    14 #pragma comment (lib,"opencv_legacy231d.lib")
    15 #pragma comment (lib,"opencv_ml231d.lib")
    16 #pragma comment (lib,"opencv_objdetect231d.lib")
    17 #pragma comment (lib,"opencv_ts231d.lib")
    18 #pragma comment (lib,"opencv_video231d.lib")
    19 
    20 /*
    21  *《学习OpenCV》第三章第五题
    22  * 完成时间:2:49 3/2 星期六 2013
    23  */
    24 
    25 // 图像高宽
    26 #define IMG_SIZE   420
    27 
    28 // 边界宽度
    29 #define BORDER_WIDTH 10
    30 
    31 int main()
    32 {
    33     // 创建8位单通道图像
    34     IplImage * image = cvCreateImage(cvSize(IMG_SIZE, IMG_SIZE), 8, 1);
    35 
    36     // 初始化置零
    37     cvZero(image);
    38     
    39     // 灰度值
    40     int value = 0;
    41     // ROI区域大小
    42     int rect_size = IMG_SIZE;
    43     for(int length = IMG_SIZE; length >= 0 && value <= 200; length -= BORDER_WIDTH, value += 10)
    44     {
    45         cvSetImageROI(image, cvRect(IMG_SIZE - length, IMG_SIZE- length, rect_size, rect_size));
    46 
    47         rect_size -= 2 *BORDER_WIDTH;
    48         cvSet(image, cvScalarAll(value));
    49         cvResetImageROI(image);
    50     }
    51 
    52     cvNamedWindow("img", 1);
    53     cvShowImage("img", image);
    54 
    55     cvWaitKey(0);
    56     cvReleaseImage(&image);
    57     cvDestroyAllWindows();
    58 
    59     return 0;
    60 }

    运行结果:

  • 相关阅读:
    python中F/f表达式优于format()表达式
    java8新特性-foreach&lambda
    Java实现多线程的四种方式
    Java中的字符串常量池,栈和堆的概念
    java对象只有值传递,为什么?
    面向对象和面向过程程序设计理解及区别
    String对象为什么不可变
    mybatis_plus插件——生成器
    基于grpc的流式方式实现双向通讯(python)
    Django使用DataTables插件总结
  • 原文地址:https://www.cnblogs.com/qdsclove/p/3005934.html
Copyright © 2011-2022 走看看