说明：  裂缝是公路路面上常见的一种病害。传统的人工维护、修补的方式慢慢难以满足现代公路发展的需求，裂缝识别智能化已成为智能交通领域的重要课题。
(Crack is a common disease on the road surface. The traditional methods of manual maintenance and repair are difficult to meet the needs of modern highway development, and intelligent crack identification has become an important issue in the field of intelligent transportation.)