opencv车牌识别提取轮廓python

车牌检测和定位是一种常见的计算机视觉任务，可以使用Python和OpenCV库来实现。首先，需要导入和加载车牌图像。然后，进行图像预处理，包括灰度处理、高斯滤波等步骤，以便更好地提取车牌的轮廓。接下来，可以使用边界提取算法，如Sobel或Canny边界提取算法，来检测轮廓。最后，通过形态学运算，如腐蚀和膨胀，来获取车牌的精确轮廓。具体的代码实现和详细步骤可以参考引用\[3\]中提供的文章。
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