摘要
Canny 算子和二次样条小波算子是最具代表的两种局部极值边缘检测算子,本文比较了这两种算子的抗噪性能和对单边、双边的边缘定位精度,理论分析表明二次样条小波算子的抗噪能力强于 Canny 算子,在加噪情况下,其单边定位精度低于 Canny 算子。在无噪声的情况下,其双边定位精度也低于 Canny 算子。但二次样条小波算子具有较好的综合性能。最后给出的实验比较结果与理论分析结果完全一致。
This paper analyzes the performance of Canny operator and spline wavelet operator It is proved that the signal to noise ratio of spline wavelet operator is higher than others The edge location of Canny operator is better than that of spline wavelet operator
出处
《通信学报》
EI
CSCD
北大核心
1999年第8期47-51,共5页
Journal on Communications
关键词
计算机视觉
边缘检测
小波变换
computer vision,edge detection,wavelet transform