Java | JavaCV | OpenCV 单通道Mat矩阵和二维数组相互转换

package com.biubiu.example;

import org.bytedeco.javacpp.BytePointer;
import org.bytedeco.javacpp.opencv_core.Mat;
import org.bytedeco.javacpp.opencv_core.Scalar;
import org.bytedeco.javacpp.opencv_core.Size;

import static org.bytedeco.javacpp.opencv_core.CV_16SC1;


public class ConvertUtils {

    
    private static Mat arrConvertToMat(int[][] arr) {
        int rows = arr.length;
        int cols = arr[0].length;
        Mat target = new Mat(new Size(rows, cols), CV_16SC1, new Scalar(255));
        for(int i = 0; i < rows; i++) {
            for(int j = 0;j < cols; j++) {
                BytePointer ptr = target.ptr(i, j);