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Nonnegative Tensor Factorization Accelerated Using GPGPU

delete2011-07-01
delete27
PRE
AI
A
Adam Herout
P
Pavel Zemčík
M
Markku Hauta‐Kasari
DOI:10.1109/TPDS.2010.194delete
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摘要

摘要

En 中文
This article presents an optimized algorithm for Nonnegative Tensor Factorization (NTF), implemented in the CUDA (Compute Uniform Device Architecture) framework, that runs on contemporary graphics processors and exploits their massive parallelism. The NTF implementation is primarily targeted for analysis of high-dimensional spectral images, including dimensionality reduction, feature extraction, and other tasks related to spectral imaging; however, the algorithm and its implementation are not limited to spectral imaging. The speedups measured on real spectral images are around 60 - 100x compared to a traditional C implementation compiled with an optimizing compiler. Since common problems in the field of spectral imaging may take hours on a state-of-the-art CPU, the speedup achieved using a graphics card is attractive. The implementation is publicly available in the form of a dynamically linked library, including an interface to MATLAB, and thus may be of help to researchers and engineers using NTF on large problems.
Keyword:
Nonnegative tensor factorization
spectral analysis
GPU
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期刊

IEEE Transactions on Parallel and Distributed Systems 封面图
IEEE Transactions on Parallel and Distributed Systems
IF:
6
论文数:
5.2K
被引数:
1.1W

机构

B
Brno University of Technology
学者数:
5.7K
论文数: 4.7K
被引数: 5.7K
U
University of Eastern Finland
学者数:
1.4W
论文数: 1.2W
被引数: 1.5W
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