کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
526018 | 869052 | 2011 | 10 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Generating fuzzy edge images from gradient magnitudes Generating fuzzy edge images from gradient magnitudes](/preview/png/526018.png)
The representation and processing of edges in images based on notions from fuzzy set theory has become popular in recent years. There are several reasons for this direction, from the vague definition of edges to the inherent uncertainty of digital images. Here, we study the transition from a gradient image, a popular intermediate representation, to a fuzzy edge image. We consider different parametric membership functions to transform the gradients into membership degrees. A histogram-based strategy is then introduced for automatically determining the value of those parameters, adapting the membership functions to the characteristics of each image. The functions are applied on the Canny method for edge detection, resulting in an improvement compared to the classical normalizing approach.
► We propose membership functions to create fuzzy edge images from gradient images.
► We propose a way to generate those functions in a unsupervised way.
► The functions are applied on the Canny method for edge detection.
► The results of the Canny method are enhanced when using the new functions.
Journal: Computer Vision and Image Understanding - Volume 115, Issue 11, November 2011, Pages 1571–1580