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CVPR
2012
IEEE
7 years 6 months ago
Actionable saliency detection: Independent motion detection without independent motion estimation
We present a model and an algorithm to detect salient regions in video taken from a moving camera. In particular, we are interested in capturing small objects that move independen...
Georgios Georgiadis, Alper Ayvaci, Stefano Soatto
WACV
2012
IEEE
7 years 11 months ago
PTZ camera network calibration from moving people in sports broadcasts
In sports broadcasts, networks consisting of pan-tiltzoom (PTZ) cameras usually exhibit very wide baselines, making standard matching techniques for camera calibration very hard t...
Jens Puwein, Remo Ziegler, Luca Ballan, Marc Polle...
CAIP
2011
Springer
247views Image Analysis» more  CAIP 2011»
8 years 3 months ago
Exploiting Image Collections for Recovering Photometric Properties
Abstract. We address the problem of jointly estimating the scene illumination, the radiometric camera calibration and the reflectance properties of an object using a set of images...
Mauricio Díaz, Peter F. Sturm
ICCV
2011
IEEE
8 years 3 months ago
Decoupling Photometry and Geometry in Dense Variational Camera Calibration
We introduce a spatially dense variational approach to estimate the calibration of multiple cameras in the context of 3D reconstruction. We propose a relaxation scheme which allow...
Mathieu Aubry, Kalin Kolev, Bastian Goldluecke, Da...
BMVC
2010
9 years 1 months ago
Robust Camera Calibration using Inaccurate Targets
Accurate intrinsic camera calibration is essential to any computer vision task that involves image based measurements. Given its crucial role with respect to precision, a large nu...
Andrea Albarelli, Emanuele Rodolà, Andrea T...
PAMI
2000
173views more  PAMI 2000»
9 years 3 months ago
Multi-Frame Estimation of Planar Motion
Lihi Zelnik-Manor, Michal Irani
JMM2
2006
157views more  JMM2 2006»
9 years 3 months ago
Low-Cost 3D Scanning by Exploiting Virtual Image Symmetries
We present a low cost, hybrid active/passive 3D scanning system based on an off-the-shelf camera, a laser stripe illuminator and a turntable. The system combines the good accuracy ...
Carlo Colombo, Dario Comanducci, Alberto Del Bimbo
IEICET
2006
136views more  IEICET 2006»
9 years 3 months ago
Calibration Method for Misaligned Catadioptric Camera
This paper proposes a calibration method for catadioptric camera systems consisting of a surface of revolution mirror and a perspective camera, such as HyperOmni Vision. The propo...
Tomohiro Mashita, Yoshio Iwai, Masahiko Yachida
WSCG
2004
144views more  WSCG 2004»
9 years 5 months ago
External Camera Calibration for Synchronized Multi-video Systems
We present a camera calibration system that is simple to use and offers generality in the positioning of the cameras. This makes it very suitable for the calibration of mobile, sy...
Ivo Ihrke, Lars Ahrenberg, Marcus A. Magnor
IJIT
2004
9 years 5 months ago
Automatic Camera Calibration for Images of Soccer Match
Camera calibration plays an important role in the domain of the analysis of sports video. Considering soccer video, in most cases, the cross-points can be used for calibration at t...
Qihe Li, Yupin Luo
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