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ICCV
2001
IEEE
14 years 11 months ago
Markov Face Models
The spatial distribution of gray level intensities in an image can be naturally modeled using Markov Random Field (MRF) models. We develop and investigate the performance of face ...
Sarat C. Dass, Anil K. Jain
ISBI
2006
IEEE
14 years 9 months ago
Mixture principal component analysis for distribution volume parametric imaging in brain PET studies
In this paper, we present a mixture Principal Component Analysis (mPCA)-based approach for voxel level quantification of dynamic positron emission tomography (PET) data in brain s...
Peng Qiu, Z. Jane Wang, K. J. Ray Liu
VLSID
2005
IEEE
126views VLSI» more  VLSID 2005»
14 years 9 months ago
Exact Analytical Equations for Predicting Nonlinear Phase Errors and Jitter in Ring Oscillators
In this paper, we present a simple analytical equation for capturing phase errors in 3-stage ring oscillators. The model, based on a simple but useful idealization of the ring osc...
Jaijeet S. Roychowdhury
CVPR
2010
IEEE
14 years 5 months ago
The Cluttered Background Problem for Active Contours: A Minimum-Latency Solution
We present a region-based active contour detection algorithm for objects that exhibit relatively homogeneous photometric characteristics (e.g. smooth color or gray levels), embedd...
Stefano Soatto, Ganesh Sundaramoorthi, Anthony Yez...
ICC
2007
IEEE
164views Communications» more  ICC 2007»
14 years 3 months ago
Characterization of an Indoor MIMO channel in Frequency Domain using the 3D-SAGE Algorithm
— In this paper, the frequency domain (FD) SAGE (Space-Alternating Generalized Expectation-maximization) algorithm has been extended to the MIMO case in order to determine the an...
Michail Matthaiou, Nima Razavi-Ghods