Greyscale image.
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Greyscale image. |
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Canny edge output. Notice the contours corresponding to the strong shadows. They are smooth but open. |
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The segmentation in the first iteration. The shadow contours have been suppressed. |
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The segmentation in the second iteration. |
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The segmentation in the third iteration. |
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The segmentation in the fourth iteration. Note the sharp corners in the contour extracted. |
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