put_line('subblock date value is 'v_date);
在子中加入:dbms_output.
put_line('subblock date value is 'v_date);
在子中加入:dbms_output.
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,将路面破损划分成子,提取破损路面的边缘;
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