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The implementation and optimization of the traditional contour generation algorithms are always proposed for the common processor.
When processing high resolution images, the performance often exists low efficiency. A new graphics processing unit (GPU)-based
algorithm is proposed to get the clear and integrated contour of leaves. Firstly we implement the classic Sobel operator of
edge detection in GPU. Then a simple and effective method is designed to remove the fake edge and a heuristic algorithm is
used to repair the broken edge. It is proved by the experiments that the results of our algorithm are natural and realistic
in terms of morphology and can be good materials for the virtual plant. 相似文献
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