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DEXA
2008
Springer
154views Database» more  DEXA 2008»
9 years 11 months ago
Approximate Range-Sum Queries over Data Cubes Using Cosine Transform
In this research, we propose to use the discrete cosine transform to approximate the cumulative distributions of data cube cells' values. The cosine transform is known to have...
Wen-Chi Hou, Cheng Luo, Zhewei Jiang, Feng Yan, Qi...
IPPS
2000
IEEE
10 years 1 months ago
Parallel Maximum-Likelihood Inversion for Estimating Wavenumber-Ordered Spectra in Emission Spectroscopy
We introduce a parallelization of the maximumlikelihood cosine transform. This transform consists of a computationally intensive iterative fitting process, but is readily decompo...
Hoda El-Sayed, Marc Salit, John Travis, Judith Ell...
ISCAS
2007
IEEE
95views Hardware» more  ISCAS 2007»
10 years 3 months ago
A Universal Approach to Developing Fast Algorithm for Simplified Order-16 ICT
—Simplified order-16 Integer Cosine Transform (ICT) has been proved to be an efficient coding tool especially for High-Definition (HD) video coding and is much simpler than ICT a...
Jie Dong, King Ngi Ngan, Chi-Keung Fong, Wai-kuen ...
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