Binarize->Monoscaler and it now inherits ImageProcess.

The monoscalar now has a process method and is an ImageProcess.

Author: csasarak

Binarize.java

@@ -0,0 +1,23 @@
+/**
+ * Convert a grayscale image to a binary image.
+ *
+ * @author Christopher Sasarak
+ */
+import javax.media.jai.*;
+import java.awt.image.RenderedImage;
+
+public class Monoscaler implements ImageProcess {
+    /**
+     * This method accepts a RenderedImage and converts it to 
+     * binary.
+     *
+     * @param img The source image.
+     * @return RenderedImage The image after being processed by the method.
+     */
+    public RenderedImage process(RenderedImage img){
+        Histogram hist = (Histogram)JAI.create("histogram", img).getProperty("histogram");
+        double[] threshold = hist.getPTileThreshold(0.5);
+
+        return JAI.create("binarize", img, new Double(threshold[0]));
+    }
+}