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ICASSP
2010
IEEE
13 years 6 months ago
Bandwidth-intensive FPGA architecture for multi-dimensional DFT
Multi-dimensional (MD) Discrete Fourier Transform (DFT) is a key kernel algorithm in many signal processing algorithms, including radar data processing and medical imaging. Althou...
Chi-Li Yu, Chaitali Chakrabarti, Sungho Park, Vija...
CORR
2008
Springer
116views Education» more  CORR 2008»
13 years 8 months ago
Group representation design of digital signals and sequences
In this survey a novel system, called the oscillator system, consisting of order of p3 functions (signals) on the finite field Fp, is described and studied. The new functions are p...
Shamgar Gurevich, Ronny Hadani, Nir A. Sochen
FP
1989
124views Formal Methods» more  FP 1989»
14 years 4 days ago
Deriving the Fast Fourier Algorithm by Calculation
This paper reports an explanation of an intricate algorithm in the terms of a potentially mechanisable rigorous-development method. It uses notations and techniques of Sheeran 1] ...
Geraint Jones
ICASSP
2010
IEEE
13 years 3 months ago
Seamlets: Content-aware nonlinear wavelet transform
With the rise of mobile media devices, resizing an image or video to fit a screen of arbitrary size has become an important topic. In general, arbitrary resizing does not preserve...
David D. Conger, Hayder Radha, Mrityunjay Kumar
SIAMSC
2010
142views more  SIAMSC 2010»
13 years 2 months ago
Efficient Spectral Sparse Grid Methods and Applications to High-Dimensional Elliptic Problems
Abstract. We develop in this paper some efficient algorithms which are essential to implementations of spectral methods on the sparse grid by Smolyak's construction based on a...
Jie Shen, Haijun Yu