319 search results - page 40 / 64 » The Geometry of 2D Image Signals |
CVPR
2010
IEEE
14 years 29 days ago
2010
IEEE
Pattern matching is a widely used procedure in signal processing, computer vision, image and video processing. Recently, methods using Walsh Hadamard Transform (WHT) and Gray-Code...
ICASSP
2011
IEEE
13 years 1 months ago
2011
IEEE
In this paper we present methods for downsampling datasets defined on graphs (i.e., graph-signals) by extending downsampling results for traditional N-dimensional signals. In par...
AVSS
2009
IEEE
14 years 2 months ago
2009
IEEE
We present a novel approach to 3D face recognition using compact face signatures based on automatically detected 3D landmarks. We represent the face geometry with inter-landmark d...
HLK
2003
IEEE
14 years 2 months ago
2003
IEEE
It’s common experience for human vision to perceive full 3D shape and scene from a single 2D image with the occluded parts “filled-in” by prior visual knowledge. In this pa...
CVPR
2000
IEEE
14 years 11 months ago
2000
IEEE
This paper proposes a novel technique to computing geometric information from images captured under parallel projections. Parallel images are desirable for stereo reconstruction b...