319 search results - page 20 / 64 » The Geometry of 2D Image Signals |
ICIP
2005
IEEE
14 years 1 months ago
2005
IEEE
A method for detecting and reducing reverberation artifacts in ultrasound image sequences is described. A reverberation artifact localization map is produced using local Rf-bandwi...
TMI
2002
13 years 7 months ago
2002
Microwave-induced thermoacoustic tomography (TAT) in a cylindrical configuration is developed to image biological tissue. Thermoacoustic signals are acquired by scanning a flat ult...
WACV
2002
IEEE
14 years 9 days ago
2002
IEEE
3D models of urban sites with geometry and facade textures are needed for many planning and visualization applications. Approximate 3D wireframe model can be derived from aerial i...
DCC
1995
IEEE
13 years 11 months ago
1995
IEEE
We present a fully automatic system for 2D model-based image coding of human faces for potential applications such as video telephony, database image compression, and face recogni...
CVPR
2007
IEEE
14 years 9 months ago
2007
IEEE
The non-negativity of color signals implies that they span a conical space with a hyperbolic geometry. We use perspective projections to separate intensity from chromaticity, and ...