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» The truncated fourier transform and applications
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VTC
2006
IEEE
135views Communications» more  VTC 2006»
14 years 1 months ago
A Detection Algorithm for Clipped OFDM Signals Using the IDFT-Matrix
A major drawback of the Orthogonal Frequency Division Multiplex (OFDM) principle is the high dynamic range of the transmit signal. The transmit Power Amplifier (PA) and other ele...
Andreas Frotzscher, Peter Zillmann, Gerhard Fettwe...
CAIP
2003
Springer
236views Image Analysis» more  CAIP 2003»
14 years 24 days ago
Efficient Algorithm of Eye Image Check for Robust Iris Recognition System
For the improvement of iris recognition system performance, the filtering algorithm that picks out counterfeit and noisy data is very important. In this paper, as a part of preproc...
Jain Jang, Kwiju Kim, Yillbyung Lee
COMPUTING
2006
112views more  COMPUTING 2006»
13 years 7 months ago
Fast Summation of Radial Functions on the Sphere
Radial functions are a powerful tool in many areas of multidimensional approximation, especially when dealing with scattered data. We present a fast approximate algorithm for the ...
Jens Keiner, Stefan Kunis, Daniel Potts
TIP
2010
312views more  TIP 2010»
13 years 6 months ago
A Novel Multiresolution Spatiotemporal Saliency Detection Model and Its Applications in Image and Video Compression
—Salient areas in natural scenes are generally regarded as areas which the human eye will typically focus on, and finding these areas is the key step in object detection. In com...
Chenlei Guo, Liming Zhang
ICMLA
2009
13 years 5 months ago
Transformation Learning Via Kernel Alignment
This article proposes an algorithm to automatically learn useful transformations of data to improve accuracy in supervised classification tasks. These transformations take the for...
Andrew Howard, Tony Jebara