812 search results - page 12 / 163 » Edge detection using wavelets |
ADCM
2000
13 years 9 months ago
2000
We discuss the problem of detecting the location of discontinuities of derivatives of a periodic function, given either finitely many Fourier coefficients of the function, or the ...
ICIP
2008
IEEE
14 years 11 months ago
2008
IEEE
A novel directionally adaptive image resolution enhancement method is proposed. The method uses a multiple-direction wavelet transform, called directionlets, to efficiently extrac...
ICCS
2009
Springer
14 years 4 months ago
2009
Springer
We propose a method for the assessment and visualization of high frequency regions of a multiresolution image. We combine both orientation tensor and multiresolution analysis to gi...
CCECE
2006
IEEE
14 years 3 months ago
2006
IEEE
— Edge detection is a computer vision algorithm that is very processor intensive. It is possible to increase the speed of the algorithm by using hardware parallelism. This paper ...
DICTA
2003
13 years 11 months ago
2003
In this paper we review a number of approaches to reducing, or removing, the problem of shift variance in the discrete wavelet transform (DWT). We describe a generalization of the ...