File img = new File("daisy.png");
        BufferedImage buffImg = new BufferedImage(570, 760, BufferedImage.TYPE_INT_ARGB);
        try { 
            buffImg = ImageIO.read(img); 
        } 
        catch (IOException e) { }

        int[][] pixelArray = new int[570][760];

        pixelArray = get2DPixelArraySlow(buffImg);

File img = new File("daisy.png");
        BufferedImage buffImg = new BufferedImage(570, 760, BufferedImage.TYPE_INT_ARGB);
        try { 
            buffImg = ImageIO.read(img); 
        } 
        catch (IOException e) { }

        int[][] pixelArray = new int[570][760];

        pixelArray = get2DPixelArraySlow(buffImg);

public static int[][] get2DPixelArraySlow(BufferedImage sampleImage) {
        int width = sampleImage.getWidth();
        int height = sampleImage.getHeight();
        int[][] result = new int[height][width];

        for (int row = 0; row < height; row++) {
            for (int col = 0; col < width; col++) {
                // System.out.println(row);
                // System.out.println(col);
                result[row][col] = sampleImage.getRGB(col, row);
            }
        }

        return result;
    }

public static int[][] get2DPixelArraySlow(BufferedImage sampleImage) {
        int width = sampleImage.getWidth();
        int height = sampleImage.getHeight();
        int[][] result = new int[height][width];

        for (int row = 0; row < height; row++) {
            for (int col = 0; col < width; col++) {
                // System.out.println(row);
                // System.out.println(col);
                result[row][col] = sampleImage.getRGB(col, row);
            }
        }

        return result;
    }