Yiming Li - IEEE Xplore Author Profile
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Yiming Li

Publications
7
Citations
62
Publications by Year
20092012
Co-Authors:
Image of author Yiming Li

Yiming Li

Affiliation

Center for Research in Intelligent Systems
University of California
Riverside, CA, USA

Publication Topics

Biography

Yiming Li (S'08) received the B.S. degree in electrical engineering from the South China University of Technology, Guangzhou, China, in 2006 and the M.S. degree in electrical engineering from the University of Florida, Gainesville, in 2007. She is currently working towards the Ph.D. degree at the Center for Research in Intelligent Systems, University of California, Riverside.,Her research interests are in computer vision, pattern recognition and image processing. Her recent research has been concerned with camera networks.(Based on document published on 10 June 2010).
Publications
7
Citations
62
Publications by Year
20092012
Co-Authors:
Author's Published Works

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Camera pan/tilt control with multiple trackers

Yiming Li;Bir Bhanu

Proceedings of the 21st International Conference on Pattern Recognition (ICPR2012)
Year: 2012 | Conference Paper |
In this paper, we consider the multi-camera tracking and the camera active control (pan and tilt). Auction mechanism from economics is developed to choose the best available camera. By modeling the camera bids with prior knowledge of the camera homographies, the system can “think” ahead to perform necessary panning or tilting operations. The uncertainties of homographies are considered inherently ...Show More

Camera pan/tilt control with multiple trackers

Yiming Li;Bir Bhanu

Year: 2012 | Conference Paper |

Fusion of multiple trackers in video networks

Yiming Li;Bir Bhanu

2011 Fifth ACM/IEEE International Conference on Distributed Smart Cameras
Year: 2011 | Conference Paper |
Cited by: Papers (2) | Patents (3)
In this paper, we address the camera selection problem by fusing the performance of multiple trackers. Currently, all the camera selection/hand-off approaches largely depend on the performance of the tracker deployed to decide when to hand-off from one camera to another. However, a slight inaccuracy of the tracker may pass the wrong information to the system such that the wrong camera may be selec...Show More

Fusion of multiple trackers in video networks

Yiming Li;Bir Bhanu

Year: 2011 | Conference Paper |

Utility-Based Camera Assignment in a Video Network: A Game Theoretic Framework

Yiming Li;Bir Bhanu

IEEE Sensors Journal
Year: 2011 | Volume: 11, Issue: 3 | Journal Article |
In this paper, an approach for camera assignment and handoff in a video network based on a set of user-supplied criteria is proposed. The approach is based on game theory, where bargaining mechanisms are considered for collaborations as well as for resolving conflicts among the available cameras. Camera utilities and person utilities are computed based on a set of user-supplied criteria, which are...Show More

Utility-Based Camera Assignment in a Video Network: A Game Theoretic Framework

Yiming Li;Bir Bhanu

Year: 2011 | Volume: 11, Issue: 3 | Journal Article |

Auction protocol for camera active control

Yiming Li;Bir Bhanu;Wei Lin

2010 IEEE International Conference on Image Processing
Year: 2010 | Conference Paper |
Cited by: Papers (7)
In this paper, we apply the auction-based theories in economics to camera networks. We develop a set of auction protocols to do camera active control (pan/tilt/zoom) intelligently. Unlike the economic auction, the bid price in our case is formulated to have a vector representation, such that when a camera is available to follow multiple objects, we consider the “willingness” of this camera to trac...Show More

Auction protocol for camera active control

Yiming Li;Bir Bhanu;Wei Lin

Year: 2010 | Conference Paper |

On the Performance of Handoff and Tracking in a Camera Network

Yiming Li;Bir Bhanu;Vincent Nguyen

2010 20th International Conference on Pattern Recognition
Year: 2010 | Conference Paper |
Camera handoff is an important problem when using multiple cameras to follow a number of objects in a video network. However, almost all the handoff techniques rely on a robust tracker. State-of-the-art techniques used to evaluate the performance of camera handoff use either annotated videos or simulated data, and the handoff performance is evaluated in conjunction with a tracker. This does not al...Show More

On the Performance of Handoff and Tracking in a Camera Network

Yiming Li;Bir Bhanu;Vincent Nguyen

Year: 2010 | Conference Paper |

Task-oriented camera assignment in a video network

Yiming Li;Bir Bhanu

2009 16th IEEE International Conference on Image Processing (ICIP)
Year: 2009 | Conference Paper |
Cited by: Papers (6)
Camera assignment and hand-off are some of the key image processing problems in a video network. In this paper, we propose a new approach for camera assignment and hand-off in a video network. The camera assignment problem is modeled as a weakly acyclic game which allows the design of utility functions based on different user-supplied criteria. A theoretical and experimental comparison of the prop...Show More

Task-oriented camera assignment in a video network

Yiming Li;Bir Bhanu

Year: 2009 | Conference Paper |

A comparison of techniques for camera selection and handoff in a video network

Yiming Li;Bir Bhanu

2009 Third ACM/IEEE International Conference on Distributed Smart Cameras (ICDSC)
Year: 2009 | Conference Paper |
Cited by: Papers (17)
Video networks are becoming increasingly important for solving many real-world problems, Multiple video sensors, usually cameras, require collaboration when performing various tasks. One of the most basic tasks is the tracking of objects, which requires mechanisms to select a camera for a certain object and hand-off this object from one camera to another so as to accomplish seamless tracking. In t...Show More

A comparison of techniques for camera selection and handoff in a video network

Yiming Li;Bir Bhanu

Year: 2009 | Conference Paper |

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