将 2D 数组从 2x2 重新采样到 4x4

Question

I want to re-sample a 2D array from 2x2 data to 4x4 newdata

Original Source 2D Array data :

What I am looking for in newdata

So far I have tried it as below;

public class Test {
    static int[][] data = new int[2][2];
    static int[][] newdata = new int[4][4];

public static void main(String[] args) {

    data[0][0] = 00;
    data[0][1] = 01;
    data[1][0] = 10;
    data[1][1] = 11;

for (int i = 0; i < 2; i++) {

        for (int j = 0; j < 2; j++) {

// I NEED LOGIC HERE TO FILL newdata 2D ARRAY as a re-sampled output

        }
    }

}

}

Implementation can be in any language eg c++, php, c#, java etc.

Any help is appreciated, Thanks in Advance.

Answer 1

Change your loops to :

        for (int k = 0; k < 4; k++)
        {
            for (int l = 0; l < 4; l++)
            {
                newdata[k][l] = data[k/2][l/2];
            }
        }