1 | initial version |
It's not exactly like in Matlab (for border pixel) :
Mat a = Mat::zeros(16,10,CV_8UC1);
int k=0;
for (int i=0;i<a.rows;i++)
for (int j=0;j<a.cols;j++)
a.at<uchar>(i,j)=k++;
Mat d;
resize(a, d, Size(),0.25,0.25,INTER_NEAREST);
cout<<a<<endl;
cout<<d<<endl;
gives as result :
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9;
10, 11, 12, 13, 14, 15, 16, 17, 18, 19;
20, 21, 22, 23, 24, 25, 26, 27, 28, 29;
30, 31, 32, 33, 34, 35, 36, 37, 38, 39;
40, 41, 42, 43, 44, 45, 46, 47, 48, 49;
50, 51, 52, 53, 54, 55, 56, 57, 58, 59;
60, 61, 62, 63, 64, 65, 66, 67, 68, 69;
70, 71, 72, 73, 74, 75, 76, 77, 78, 79;
80, 81, 82, 83, 84, 85, 86, 87, 88, 89;
90, 91, 92, 93, 94, 95, 96, 97, 98, 99;
100, 101, 102, 103, 104, 105, 106, 107, 108, 109;
110, 111, 112, 113, 114, 115, 116, 117, 118, 119;
120, 121, 122, 123, 124, 125, 126, 127, 128, 129;
130, 131, 132, 133, 134, 135, 136, 137, 138, 139;
140, 141, 142, 143, 144, 145, 146, 147, 148, 149;
150, 151, 152, 153, 154, 155, 156, 157, 158, 159]
[ 0, 4;
40, 44;
80, 84;
120, 124]