本文对经典算法Canny算子和基于模糊理论的边缘提取方法进行理论分析、仿真实验和性能对比。最后对两种方法进行对比评价。图像边缘提取性能的评价标准主要包括主观和客观方法。-In this paper, the classical algorithm Canny operator and edge extraction method based on fuzzy theory theoretical analysis, simulation and performance comparison. F