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» Calibration of an Articulated Camera System
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3DPVT
2006
IEEE
153views Visualization» more  3DPVT 2006»
16 years 2 days ago
Reconstructing a 3D Line from a Single Catadioptric Image
This paper demonstrates that, for axial non-central optical systems, the equation of a 3D line can be estimated using only four points extracted from a single image of the line. T...
Douglas Lanman, Megan Wachs, Gabriel Taubin, Ferna...
IJCV
2007
178views more  IJCV 2007»
15 years 6 months ago
Three-Dimensional Shape Knowledge for Joint Image Segmentation and Pose Tracking
In this article we present the integration of 3-D shape knowledge into a variational model for level set based image segmentation and contour based 3-D pose tracking. Given the sur...
Bodo Rosenhahn, Thomas Brox, Joachim Weickert
TCSV
2008
297views more  TCSV 2008»
15 years 5 months ago
Activity Analysis, Summarization, and Visualization for Indoor Human Activity Monitoring
Abstract--In this work, we study how continuous video monitoring and intelligent video processing can be used in eldercare to assist the independent living of elders and to improve...
Zhongna Zhou, Xi Chen, Yu-Chia Chung, Zhihai He, T...
CVPR
2001
IEEE
16 years 8 months ago
Issues on the Geometry of Central Catadioptric Image Formation
An imaging system with a single effective viewpoint is called a central projection system. The conventional perspective camera is an example of a central projection system. System...
João P. Barreto, Helder Araújo
ICIP
2000
IEEE
16 years 7 months ago
Nonlinear Distortion Correction in Endoscopic Video Images
Modern video-based endoscopes offer physicians a wide-angle field of view for minimally-invasive procedures. Unfortunately, inherent barrel distortion prevents accurate perception...
Chao Zhang, James P. Helferty, Geoffrey McLennan, ...