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ICIP
2001
IEEE
15 years 1 months ago
Adaptive motion search with elastic diamond for MPEG-4 video coding
Video coding is a complex process, comprising a combination of spatial, temporal and statistical data reduction techniques. Of these techniques, motion estimation taking advantage...
Weiguo Zheng, Ishfaq Ahmad, Ming Lei Liou
ICIP
2001
IEEE
15 years 1 months ago
Efficient feature extraction for 2D/3D objects in mesh representation
Meshes are dominantly used to represent 3D models as they fit well with graphics rendering hardware. Features such as volume, moments, and Fourier transform coefficients need to b...
Cha Zhang, Tsuhan Chen
ICIP
2001
IEEE
15 years 1 months ago
Using affine correspondence to estimate 3-D facial pose
We describe a method for tracking a person's face through an image sequence and estimating the 3-D facial pose within each frame. It is based on an affine approximation to th...
Pingping Yao, Glyn Evans, Andrew D. Calway
ICIP
2001
IEEE
15 years 1 months ago
Face detection using large margin classifiers
Large margin classifiers have demonstrated their advantages in many visual learning tasks, and have attracted much attention in vision and image processing communities. In this pa...
Ming-Hsuan Yang, Dan Roth, Narendra Ahuja
ICIP
2001
IEEE
15 years 1 months ago
Observer motion estimation and control from optical flow
The information conveyed by optical flow is analytically linked to the observer motion in this paper by decomposing the optical flow field into its vector field components. It is ...
Liangyin Yu, Charles R. Dyer
ICIP
2001
IEEE
15 years 1 months ago
EM algorithms of Gaussian mixture model and hidden Markov model
The HMM (Hidden Markov Model) is a probabilistic model of the joint probability of a collection of random variables with both observations and states. The GMM (Gaussian Mixture Mo...
Guorong Xuan, Wei Zhang, Peiqi Chai
ICIP
2001
IEEE
15 years 1 months ago
Multistatic passive radar imaging using the smoothed pseudo Wigner-Ville distribution
We investigate passive radar imaging of aircraft using reflected TV signals. We apply a Smoothed Pseudo WignerVille Distribution (SPWVD)-based SAR imaging algorithm to two differe...
Yong Wu, David C. Munson Jr.
ICIP
2001
IEEE
15 years 1 months ago
Reconstruction of sculpture from uncalibrated image profiles
Profiles of a sculpture provide rich information about its geometry, and can be used for model reconstruction under known camera motion. By exploiting correspondences induced by e...
Kwan-Yee Kenneth Wong, Roberto Cipolla