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sminogue/scan_part7

Created April 13, 2017 13:47
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scan_part7
//Turn page into a grayscale image
GrayF32 f32 = ConvertBufferedImage.convertFromSingle(flat, null, GrayF32.class);
//Apply filter to give us that pure black and white paper look. This should also
//Remove any artifacts like shadows or discolorations in the paper.
GrayU8 bw = new GrayU8(f32.width, f32.height);
GThresholdImageOps.localSauvola(f32, bw, 15, 0.2f, true);
//Turn the pure B&W image into a bufferedimage. Also invert the colors as the filter
//Turns the page black with white text.
BufferedImage finalInversed = VisualizeBinaryData.renderBinary(bw, true, null);
panel.addImage(finalInversed, "Final");
ShowImages.showWindow(panel,"Document Scanning", true);
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