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ICIP
2008
IEEE
16 years 8 months ago
Real-time face alignment with tracking in video
Real-time face alignment in video is very critical in many applications such as facial expression analysis, driver fatigue monitoring, etc. This paper presents a real time algorit...
Yanchao Su, Haizhou Ai, Shihong Lao
ICIP
2002
IEEE
16 years 8 months ago
Fitting smooth surfaces to scattered 3D data using piecewise quadratic approximation
The approximation of surfaces to scattered data is an important problem encountered in a variety of scientific applications, such as reverse engineering, computer vision, computer...
Hélio Pedrini, Murilo Vicente Gonçal...
ICIP
2000
IEEE
16 years 8 months ago
Normalized Training for HMM-Based Visual Speech Recognition
This paper presents an approach to estimating the parameters of continuous density HMMs for visual speech recognition. One of the key issues of image-based visual speech recogniti...
Yoshihiko Nankaku, Keiichi Tokuda, Tadashi Kitamur...
ICIP
1998
IEEE
16 years 8 months ago
An Efficient Mutual Information Optimizer for Multiresolution Image Registration
We propose a new optimizer in the context of multimodal image registration. The optimized criterion is the mutual information between the images to align. This criterion requires ...
Michael Unser, Philippe Thévenaz
ICIP
1998
IEEE
16 years 8 months ago
Direct Computation of Differential Invariants of Image Contours from Shading
In this paper we present a framework combining differential geometry and scale-space to show that local geometric invariants of image contours such as tangent, curvature and deriv...
Liangyin Yu, Charles R. Dyer