Sciweavers

3356 search results - page 80 / 672
» Thresholds and Expectation Thresholds
Sort
View
JMM2
2006
101views more  JMM2 2006»
13 years 8 months ago
Automatic Detection of Targets Using Center-Surround Difference and Local Thresholding
This paper proposes a new target detection method in low contrast forward looking infrared (FLIR) images. Automatic detection of small targets in remotely sensed images is a diffic...
Sun-Gu Sun, Dong-Min Kwak
NECO
2008
129views more  NECO 2008»
13 years 8 months ago
Sparse Coding via Thresholding and Local Competition in Neural Circuits
While evidence indicates that neural systems may be employing sparse approximations to represent sensed stimuli, the mechanisms underlying this ability are not understood. We desc...
Christopher J. Rozell, Don H. Johnson, Richard G. ...
TIP
2008
104views more  TIP 2008»
13 years 8 months ago
A Fast Thresholded Landweber Algorithm for Wavelet-Regularized Multidimensional Deconvolution
We present a fast variational deconvolution algorithm that minimizes a quadratic data term subject to a regularization on the 1 -norm of the wavelet coefficients of the solution. ...
Cédric Vonesch, Michael Unser
LOGCOM
2007
84views more  LOGCOM 2007»
13 years 8 months ago
A Sharp Phase Transition Threshold for Elementary Descent Recursive Functions
Harvey Friedman introduced natural independence results for the Peano axioms via certain schemes of combinatorial well-foundedness. We consider here parameterized versions of this...
Arnoud den Boer, Andreas Weiermann
ADHOC
2007
134views more  ADHOC 2007»
13 years 8 months ago
Threshold password authentication against guessing attacks in Ad hoc networks
Password authentication has been accepted as one of the commonly used solutions in network environment to protect resources from unauthorized access. The emerging mobile Ad hoc ne...
Zhenchuan Chai, Zhenfu Cao, Rongxing Lu