Created
April 13, 2017 13:46
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| //Convert the ORIGINAL image | |
| Planar<GrayF32> input = ConvertBufferedImage.convertFromMulti(image, null, true, GrayF32.class); | |
| //Based on the four corners get the width and height of the page | |
| Double width = topRight.x - topLeft.x; | |
| Double height = bottomLeft.y - topLeft.y; | |
| //Setup to make the page top down | |
| RemovePerspectiveDistortion<Planar<GrayF32>> removePerspective = new RemovePerspectiveDistortion<>(width.intValue(), height.intValue(), ImageType.pl(3, GrayF32.class)); | |
| // Specify the corners in the input image of the region. | |
| // Order matters! top-left, top-right, bottom-right, bottom-left | |
| if (!removePerspective.apply(input, topLeft, topRight, bottomRight, bottomLeft)) { | |
| throw new RuntimeException("Failed!?!?"); | |
| } | |
| //Get the re-oriented image | |
| Planar<GrayF32> output = removePerspective.getOutput(); | |
| //Turn it into a BufferedImage. This should be the page straight on and nothind else. | |
| BufferedImage flat = ConvertBufferedImage.convertTo_F32(output, null, true); |
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