Thirdly, pavement dilapidation image is divided into subblock image, and the marginal information is extracted from subblock image by the region detection algorithm.
利用了区域检测算法，将路面破
图像划
成子块图像，提取破路面的边缘信息；
；
;
,重点恢复;Thirdly, pavement dilapidation image is divided into subblock image, and the marginal information is extracted from subblock image by the region detection algorithm.
利用了区域检测算法，将路面破图像划成子块图像，提取破路面的边缘信息；
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