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ECCC
2011
234views ECommerce» more  ECCC 2011»
14 years 6 months ago
On the complexity of computational problems regarding distributions (a survey)
We consider two basic computational problems regarding discrete probability distributions: (1) approximating the statistical difference (aka variation distance) between two given d...
Oded Goldreich, Salil P. Vadhan
ICIP
2001
IEEE
16 years 1 months ago
Algorithmic modifications to SPIHT
This paper proposes several low complexity algorithmic modifications to the SPIHT (Set Partitioning in Hierarchical Trees) image coding method of [3]. The modifications exploit un...
Ulug Bayazit, William A. Pearlman
ISCAS
2008
IEEE
112views Hardware» more  ISCAS 2008»
15 years 6 months ago
Power optimization of weighted bit-product summation tree for elementary function generator
— In this paper we propose a method for lowering the power consumption in our previously proposed method for approximating elementary functions. By rearranging the interconnect o...
Saeeid Tahmasbi Oskuii, Kenny Johansson, Oscar Gus...
WIRN
2005
Springer
15 years 5 months ago
Ensembles Based on Random Projections to Improve the Accuracy of Clustering Algorithms
We present an algorithmic scheme for unsupervised cluster ensembles, based on randomized projections between metric spaces, by which a substantial dimensionality reduction is obtai...
Alberto Bertoni, Giorgio Valentini
DCC
2006
IEEE
15 years 11 months ago
The B-coder: An Improved Binary Arithmetic Coder and Probability Estimator
In this paper we present the B-coder, an efficient binary arithmetic coder that performs extremely well on a wide range of data. The B-coder should be classed as an `approximate&#...
Benjamin Kelly, David F. Brailsford