An Empirical Investigation into Application of a Fast Discrete 2D S-transform Algorithm to Provide Localized Measures of Texture in Images

被引：0
|
作者：
Smith, Michael R. [1 ]
Brown, Robert [3 ]
Helmi, Maryam [2 ]
Rangayyan, Rangaraj M. [1 ]
机构：
[1] Univ Calgary, Schulich Sch Engn, Dept Elect & Comp Engn, Calgary, AB T2N 1N4, Canada
[2] Univ Calgary, Schulich Sch Engn, Dept Comp Sci, Calgary, AB T2N 1N4, Canada
[3] Foothills Med Ctr, Seaman Family MR Res Ctr, Calgary, AB T2N 2T9, Canada
来源：
2011 24TH CANADIAN CONFERENCE ON ELECTRICAL AND COMPUTER ENGINEERING (CCECE) | 2011年
基金：
加拿大自然科学与工程研究理事会;
关键词：
Localized measure of image texture; Fast 2D S-transform;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
The two-dimensional (2D) S-transform can provide a more localized measure of image texture than is possible with the Fourier transform (FT). However there is a considerable time penalty: Order(N(4)logN) when compared to an Order(N(2)logN) FT implementation via the fast Fourier transform (FFT). We investigate the characteristics of the textural features identified when using a 2D variant of the fast discrete S-transform, an implementation which executes in a time comparable to the FFT. Results from both simulations and the comparison of the features of a benign breast mass and a malignant tumour are presented.
引用
收藏
页码：201 / 204
页数：4
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