resize


 1 #include<opencv2/opencv.hpp>  
 2 #include<iostream>  
 3 #include<cassert>  
 4 #include<vector>  
 5 #include<stdio.h>
 6 #include <sys/time.h>
 7 
 8 using namespace cv;  
 9 using namespace std;
10 
11 int main(int argc, char* argv[])
12 {
13     int resize_height = 360;
14     int resize_width = 480;
15     Mat src = imread(argv[1], CV_LOAD_IMAGE_COLOR); 
16     Mat dst;
17     //imshow("src", src);
18     double time = getTime_us(); 
19     resize(src, dst, Size(resize_width, resize_height), 0, 0, cv::INTER_LINEAR);
20     cout << "time:" << (getTime_us()-time)/1000 <<"ms"<< endl;
21     //imshow("dst", dst);
22 
23     cout << "type:" << dst.type() << endl;
24     cout << "CV_8UC3:" << CV_8UC3 << endl;
25     cout << "depth:" << dst.depth() << endl;
26     cout << "channel:" << dst.channels() << endl;
27     cout << "rows:" << dst.rows << endl;
28     cout << "cols:" << dst.cols << endl;
29 
30     cv::waitKey(0);
31     return 0;
32 }

 1 #include<opencv2/opencv.hpp>  
 2 #include<iostream>  
 3 #include<cassert>  
 4 #include<vector>  
 5 #include<stdio.h>
 6 #include <sys/time.h>
 7 
 8 using namespace cv;  
 9 using namespace std;
10 
11 int main(int argc, char* argv[])
12 {
13     int resize_height = 360;
14     int resize_width = 480;
15     Mat src = imread(argv[1], CV_LOAD_IMAGE_COLOR); 
16     Mat dst;
17     //imshow("src", src);
18     double time = getTime_us(); 
19     resize(src, dst, Size(resize_width, resize_height), 0, 0, cv::INTER_LINEAR);
20     cout << "time:" << (getTime_us()-time)/1000 <<"ms"<< endl;
21     //imshow("dst", dst);
22 
23     cout << "type:" << dst.type() << endl;
24     cout << "CV_8UC3:" << CV_8UC3 << endl;
25     cout << "depth:" << dst.depth() << endl;
26     cout << "channel:" << dst.channels() << endl;
27     cout << "rows:" << dst.rows << endl;
28     cout << "cols:" << dst.cols << endl;
29 
30     cv::waitKey(0);
31     return 0;
32 }