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CHI
2003
ACM
15 years 10 months ago
Efficient user interest estimation in fisheye views
We present a new technique for efficiently computing Degree-of-Interest distributions to inform the visualization of graph-structured data. The technique is independent of the int...
Jeffrey Heer, Stuart K. Card
DSP
2006
14 years 9 months ago
2-D unitary matrix pencil method for efficient direction of arrival estimation
In this study, we extended the one-dimensional (1-D) unitary matrix pencil method (UMP) [N. Yilmazer, J. Koh, T.K. Sarkar, Utilization of a unitary transform for efficient computa...
Nuri Yilmazer, Tapan K. Sarkar
PRL
2006
153views more  PRL 2006»
14 years 9 months ago
Efficient adaptive density estimation per image pixel for the task of background subtraction
We analyze the computer vision task of pixel-level background subtraction. We present recursive equations that are used to constantly update the parameters of a Gaussian mixture m...
Zoran Zivkovic, Ferdinand van der Heijden
ICMCS
2010
IEEE
191views Multimedia» more  ICMCS 2010»
14 years 10 months ago
An efficient depth map estimation technique using complex wavelets
A new focus measure system is proposed based on complex wavelet transform and quadrature pair of steerable filters. In shape from focus (SFF), noise, illumination variation and or...
Pankajkumar Mendapara, Aryaz Baradarani, Q. M. Jon...
ICIP
2009
IEEE
14 years 7 months ago
Fast and efficient fractional pixel motion estimation for H.264/AVC video coding
This paper presents a fast algorithm for H.264 fractional motion estimation (ME). In H.264 ME is the most time consuming component. The ME process consists of two stages: integer ...
Humaira Nisar, Tae-Sun Choi