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» On Using Silhouettes for Camera Calibration
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ICPR
2006
IEEE
16 years 3 months ago
Camera Calibration from Two Shadow Trajectories
We introduce an efficient method for recovering the camera parameters automatically from the cast shadows of two 3D points observed over time. Compared to previous related work, o...
Fei Lu, Xiaochun Cao, Yuping Shen, Hassan Foroosh
102
Voted
CVPR
2004
IEEE
15 years 5 months ago
Camera Calibration from a Single Night Sky Image
We present a simple and universal camera calibration method. Instead of extensive setups we are exploiting the accurate angular positions of fixed stars. High precision is achieve...
Andreas Klaus, Joachim Bauer, Konrad F. Karner, Pi...
ICPR
2004
IEEE
16 years 3 months ago
Color Calibration for a Dermatological Video Camera System
In this work we describe a technique to calibrate images for skin analysis in dermatology. Using a common reference we correct non-uniform illumination effects, give an estimation...
Costantino Grana, Giovanni Pellacani, Stefania Sei...
138
Voted
TMI
2010
204views more  TMI 2010»
15 years 8 days ago
Camera Augmented Mobile C-Arm (CAMC): Calibration, Accuracy Study, and Clinical Applications
—Mobile C-arm is an essential tool in everyday trauma and orthopedics surgery. Minimally invasive solutions, based on X-ray imaging and coregistered external navigation created a...
Nassir Navab, Sandro Michael Heining, Jörg Tr...
ICMCS
2009
IEEE
142views Multimedia» more  ICMCS 2009»
14 years 11 months ago
PTZ camera calibration for Augmented Virtual Environments
Augmented Virtual Environments(AVE) are very effective in the application of surveillance, in which multiple video streams are projected onto a 3D urban model for better visualiza...
Lu Wang, Suya You, Ulrich Neumann