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IEICE TRANSACTIONS on Information

Statistical Edge Detection in CT Image by Kernel Density Estimation and Mean Square Error Distance

Xu XU, Yi CUI, Shuxu GUO

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Summary :

In this paper, we develop a novel two-sample test statistic for edge detection in CT image. This test statistic involves the non-parametric estimate of the samples' probability density functions (PDF's) based on the kernel density estimator and the calculation of the mean square error (MSE) distance of the estimated PDF's. In order to extract single-pixel-wide edges, a generic detection scheme cooperated with the non-maximum suppression is also proposed. This new method is applied to a variety of noisy images, and the performance is quantitatively evaluated with edge strength images. The experiments show that the proposed method provides a more effective and robust way of detecting edges in CT image compared with other existing methods.

Publication
IEICE TRANSACTIONS on Information Vol.E96-D No.5 pp.1162-1170
Publication Date
2013/05/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E96.D.1162
Type of Manuscript
PAPER
Category
Image Processing and Video Processing

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