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» On the Optimality of the Dimensionality Reduction Method
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ICASSP
2011
IEEE
14 years 10 months ago
A simple network-power-saving resource allocation method for OFDMA cellular networks with multiple relays
General signal model for orthogonal-frequency-division multiple access cellular networks with multiple amplify-and-forward relays has been introduced. An optimization problem mini...
Jingon Joung, Sumei Sun
ISCAS
2008
IEEE
112views Hardware» more  ISCAS 2008»
16 years 18 days 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...
VTC
2007
IEEE
16 years 13 days ago
Power Allocation Scheme for MIMO MC-CDMA With Two Dimensional Spreading
— In this paper, we develop a power distribution scheme for multi-input multi-output (MIMO) [1] multi-carrier (MC) code division multiple access (CDMA) systems [2]-[3] with two-d...
Wladimir Bocquet, Kazunori Hayashi, Hideaki Sakai
ICML
2010
IEEE
15 years 7 months ago
Projection Penalties: Dimension Reduction without Loss
Dimension reduction is popular for learning predictive models in high-dimensional spaces. It can highlight the relevant part of the feature space and avoid the curse of dimensiona...
Yi Zhang 0010, Jeff Schneider
SCIA
2009
Springer
140views Image Analysis» more  SCIA 2009»
16 years 22 days ago
Fast Prototype Based Noise Reduction
This paper introduces a novel method for noise reduction in medical images based on concepts of the Non-Local Means algorithm. The main objective has been to develop a method that ...
Kajsa Tibell, Hagen Spies, Magnus Borga