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PACT
2009
Springer
15 years 4 months ago
Parallel FFT with Eden Skeletons
The notion of Fast Fourier Transformation (FFT) describes a range of efficient algorithms to compute the discrete Fourier transformation, frequency distribution in a signal. FFT pl...
Jost Berthold, Mischa Dieterle, Oleg Lobachev, Rit...
AHS
2006
IEEE
124views Hardware» more  AHS 2006»
15 years 3 months ago
Embedded Reconfigurable Array Fabrics for Efficient Implementation of Image Compression Techniques
The discrete wavelet Transform (DWT), as defined by the Image Compression Standard JPEG-2000, is one of the most time-consuming computations which cannot be efficiently executed o...
Sajid Baloch, Tughrul Arslan, Adrian Stoica
VMV
2001
161views Visualization» more  VMV 2001»
14 years 11 months ago
Regularized Quadrature Filters for Local Frequency Estimation: Application to Multimodal Volume Image Registration
Multimodal image registration is a fundamental problem in medical image analysis. In this paper, we propose a novel algorithm to compute the local frequency representations of the...
Jundong Liu
IPPS
2007
IEEE
15 years 4 months ago
Coarse-grain Parallel Execution for 2-dimensional PDE Problems
This paper presents a new approach for the execution of coarse-grain (tiled) parallel SPMD code for applications derived from the explicit discretization of 2-dimensional PDE prob...
Georgios I. Goumas, Nikolaos Drosinos, Vasileios K...
ICIP
1999
IEEE
15 years 11 months ago
Region-Based Video Segmentation Using DCT Coefficients
A region-based video segmentation algorithm, which is based on 8 x 8 block, is proposed to segment moving objects in a video sequence. The proposed video segmentation can be perfo...
S. Ji, Heung-Won Park