Sciweavers

332 search results - page 22 / 67
» Ripplet: A new transform for image processing
Sort
View
ICIP
1998
IEEE
14 years 9 months ago
Rotational Wavelet Transforms for Motion Analysis Estimation and Tracking
Thispaper addresses the problem of estimating, analyzing and tracking objects moving with spatio-temporal rotational motion (i.e. the angular velocity of spinning or orbiting moti...
Jean-Pierre Leduc, Jonathan R. Corbett, M. Victor ...
SODA
2012
ACM
209views Algorithms» more  SODA 2012»
11 years 10 months ago
Simple and practical algorithm for sparse Fourier transform
We consider the sparse Fourier transform problem: given a complex vector x of length n, and a parameter k, estimate the k largest (in magnitude) coefficients of the Fourier transf...
Haitham Hassanieh, Piotr Indyk, Dina Katabi, Eric ...
EUROMICRO
1998
IEEE
13 years 12 months ago
Image Compression Using the Wavelet Transform on Textural Regions of Interest
This paper suggests a new image compression scheme, using the discrete wavelet transformation (DWT), which is based on attempting to preserve the texturally important image charac...
Dimitris A. Karras, S. A. Karkanis, Basil G. Mertz...
DRM
2007
Springer
14 years 1 months ago
Randomized radon transforms for biometric authentication via fingerprint hashing
We present a new technique for generating biometric fingerprint hashes, or summaries of information contained in human fingerprints. Our method calculates and aggregates various...
Mariusz H. Jakubowski, Ramarathnam Venkatesan
ICIP
2010
IEEE
13 years 5 months ago
A new subspace learning method in Fourier domain for texture classification
This paper proposes a new texture classification approach. There are two main contributions in the proposed method. First, input texture images are transformed to the composite Fo...
Shu Liao, Albert C. S. Chung