使用OpenCV實現Halcon算法（1）亞像素提取邊緣，Sub-Pixel Edge Detector

整個項目，我重新用opencv包裝了，項目地址： https://github.com/fcqing/sub-pixel-edge-detect https://github.com/songyuncen/EdgesSubPix 論文《A Sub-Pixel Edge Detector: an Implementation of theCanny/Devernay Algorithm》提出了一種基

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