摘要
介绍四种数字图像处理中具有代表性的边缘检测算子,通过对比基于这四种算子进行边缘检测的帘子布图像,发现Canny算子是一种性能较优的边缘检测算子。同时,使用非线性扩散滤波和图像的线性变换对传统Canny边缘检测算子改进,改进后的Canny算子对图像有很好的预处理效果,在检测精度、准确度和边缘的细化程度方面都优于传统的Canny算子。
Introduces four typical edge operators in digital image processing and discovers that the Canny operator is an excellent one by comparing these operators in the image of cord fabric. Mean- while, which can be improved based on the typical Canny edge operator using nonlinear diffu- sion filtering and linear transformation of image. Experiment example shows that the improved Canny operator has the corking pretreatment effect and the advantages of high inspece precision, accuracy and refining degree of marginal compared with the typical Canny.
出处
《现代计算机》
2010年第7期48-50,54,共4页
Modern Computer
基金
河南省科技攻关项目(No.0721002210032)
