CAJ | 학술논문

边缘检测在计算机视觉应用中占有很大的作用，图像的边缘检测长期以来都是数字图像处理的研究重点。裂纹检测对混凝土材料是非常重要的，因为混凝土会因为各种内外因素而产生裂纹从而影响建筑的结构安全。对于表面有较多背景细节的混凝土表面边缘检测，用两种不同的方法：基于空间域的和基于数学形态学的梯度边缘检测来对所拍摄到的裂纹图像进行分析。并对比两种不同的方法，选择一种效率和响应比最高的算法，为实际应用提供参考。
변연검측재계산궤시각응용중점유흔대적작용，도상적변연검측장기이래도시수자도상처리적연구중점。렬문검측대혼응토재료시비상중요적，인위혼응토회인위각충내외인소이산생렬문종이영향건축적결구안전。대우표면유교다배경세절적혼응토표면변연검측，용량충불동적방법：기우공간역적화기우수학형태학적제도변연검측래대소박섭도적렬문도상진행분석。병대비량충불동적방법，선택일충효솔화향응비최고적산법，위실제응용제공삼고。
Edge detection has a very important application in image processing and computer vision.It introduced and analyzed several methods of edge detection in digital image processing,such as the common algorithm and mathematical morphology,the results of the ex-periments in some commom algorithms were used to detect the concrete crack in the pictures.Finally ,compares each method and indicated the most suitable method for concrete crack edge detection.