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ICASSP
2010
IEEE
13 years 7 months ago
Temporal motion smoothness measurement for reduced-reference video quality assessment
Reduced-reference (RR) video quality measures aim to predict the perceptual quality of distorted video signals using only partial information about the reference video. Existing R...
Kai Zeng, Zhou Wang
CIMAGING
2009
145views Hardware» more  CIMAGING 2009»
13 years 8 months ago
Wavelet-based Poisson rate estimation using the Skellam distribution
Owing to the stochastic nature of discrete processes such as photon counts in imaging, real-world data measurements often exhibit heteroscedastic behavior. In particular, time ser...
Keigo Hirakawa, Farhan A. Baqai, Patrick J. Wolfe
ICASSP
2010
IEEE
13 years 6 months ago
Independent subspace analysis with prior information for fMRI data
Independent component analysis (ICA) has been successfully applied for the analysis of functional magnetic resonance imaging (fMRI) data. However, independence might be too strong...
Sai Ma, Xi-Lin Li, Nicolle M. Correa, Tülay A...
CDES
2006
106views Hardware» more  CDES 2006»
13 years 9 months ago
Reducing Memory References for FFT Calculation
Fast Fourier Transform (FFT) is one of the most widely used algorithms in digital signal processing. It is used in many signal processing and communication applications. many of t...
Ayman Elnaggar, Mokhtar Aboelaze
FPGA
2001
ACM
152views FPGA» more  FPGA 2001»
14 years 4 days ago
A pipelined architecture for partitioned DWT based lossy image compression using FPGA's
Discrete wavelet transformations (DWT) followed by embedded zerotree encoding is a very efficient technique for image compression [2, 5, 4]. However, the algorithms proposed in l...
Jörg Ritter, Paul Molitor