Process a bit map image (greyscale, color) into 1's or 0's for object detecting algorithms.

img-proc.java

public class ImageProcessing {

    private int imageHeight;
    private int imageWidth;
    private int imageMatrix[][];
    private Color color;

    final int COLOUR_DEPTH_BITS = 1; //1 bit (black or white)

    public void loadImage(String imagePath) {

        BufferedImage image = null;

        // Load image from file
        try {

            image = ImageIO.read(new File(imagePath));

        } catch (Exception e) {

            e.printStackTrace();
        }

        imageHeight = image.getHeight();
        imageWidth = image.getWidth();

        imageMatrix = new int[imageHeight][imageWidth];

        for (int h = 0; h < imageHeight; h++) {

            for (int w = 0; w < imageWidth; w++) {

                color = new Color(image.getRGB(w, h));
                
                int luminance = 0.2126 * color.getRed(); + 0.7152 * color.getGreen(); + 0.0722 * color.getBlue();

                imageMatrix[h][w] = convertColor(luminance);
            }

        }

    }

    public void printImageMatrix() {

        for (int i = 0; i < imageMatrix.length; i++) {

            System.out.println("");

            for (int j = 0; j < imageMatrix[0].length; j++) {

                System.out.print(imageMatrix[i][j] + " ");
            }

        }

    }

    private int convertColor(int luminance) {

        if (luminance < 128) {
            return 0;
        } else {
            return 1;
        }
    }
}

Buenísimo (Y)