565 search results - page 73 / 113 » Extraction of Visual Features for Lipreading |
MM
1996
ACM
13 years 11 months ago
1996
ACM
Processing digital video directly in the compressed domain has many advantages in terms of storage efficiency, speed, and video quality. We have developed a compressed video editi...
VIS
2007
IEEE
14 years 9 months ago
2007
IEEE
We present a novel approach for analyzing two-dimensional (2D) flow field data based on the idea of invariant moments. Moment invariants have traditionally been used in computer vi...
VIS
2008
IEEE
14 years 9 months ago
2008
IEEE
The Morse-Smale (MS) complex has proven to be a useful tool in extracting and visualizing features from scalar-valued data. However, efficient computation of the MS complex for lar...
VIS
2004
IEEE
14 years 8 months ago
2004
IEEE
Noise reduction is an important preprocessing step for many visualization techniques that make use of feature extraction. We propose a method for denoising 2-D vector fields that ...
ICVS
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. We describe a system for autonomous learning of visual object representations and their grasp affordances on a robot-vision system. It segments objects by grasping and mo...