In order to assess the crack in the concrete construction, a new measurement method called pixel-method is developed to measure the length and width of the crack in this paper.

• 摘要针对工程结构开裂评枯的需求，运用光测力学原理与图像处理新技术，研究开发了一套“像素法”裂纹长度和宽度参数测定的新系统。