Active shape models—their training and application
Computer Vision and Image Understanding
Artificial Intelligence - Special volume on computer vision
Kruppa's Equations Derived from the Fundamental Matrix
IEEE Transactions on Pattern Analysis and Machine Intelligence
Tracking Human Motion in Structured Environments Using a Distributed-Camera System
IEEE Transactions on Pattern Analysis and Machine Intelligence
Multiple view geometry in computer visiond
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Handbook of Image and Video Processing
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Computer Vision: A Modern Approach
Computer Vision: A Modern Approach
Bayesian Model Estimation and Selection for Epipolar Geometry and Generic Manifold Fitting
International Journal of Computer Vision
Automatic line matching across views
CVPR '97 Proceedings of the 1997 Conference on Computer Vision and Pattern Recognition (CVPR '97)
From Projective to Euclidean Space Under any Practical Situation, a Criticism of Self-Calibration
ICCV '98 Proceedings of the Sixth International Conference on Computer Vision
Distinctive Image Features from Scale-Invariant Keypoints
International Journal of Computer Vision
Active Appearance Models Revisited
International Journal of Computer Vision
A Contour-Based Moving Object Detection and Tracking
ICCCN '05 Proceedings of the 14th International Conference on Computer Communications and Networks
Journal of Cognitive Neuroscience
Incremental Learning for Robust Visual Tracking
International Journal of Computer Vision
Generalizing the Lucas-Kanade algorithm for histogram-based tracking
Pattern Recognition Letters
Speeded-Up Robust Features (SURF)
Computer Vision and Image Understanding
Accurate appearance-based Bayesian tracking for maneuvering targets
Computer Vision and Image Understanding
Robust non-rigid object tracking using point distribution manifolds
DAGM'06 Proceedings of the 28th conference on Pattern Recognition
Active contours for tracking distributions
IEEE Transactions on Image Processing
Advanced Engineering Informatics
Advanced Engineering Informatics
A Self-adaptive ASIFT-SH method
Advanced Engineering Informatics
Advanced Engineering Informatics
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Tracking of project related entities such as construction equipment, materials, and personnel is used to calculate productivity, detect travel path conflicts, enhance the safety on the site, and monitor the project. Radio frequency tracking technologies (Wi-Fi, RFID, UWB) and GPS are commonly used for this purpose. However, on large-scale sites, deploying, maintaining and removing such systems can be costly and time-consuming. In addition, privacy issues with personnel tracking often limits the usability of these technologies on construction sites. This paper presents a vision based tracking framework that holds promise to address these limitations. The framework uses videos from a set of two or more static cameras placed on construction sites. In each camera view, the framework identifies and tracks construction entities providing 2D image coordinates across frames. Combining the 2D coordinates based on the installed camera system (the distance between the cameras and the view angles of them), 3D coordinates are calculated at each frame. The results of each step are presented to illustrate the feasibility of the framework.