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ICCV
2011
IEEE
13 years 11 months ago
Trajectory reconstruction from non-overlapping surveillance cameras with relative depth ordering constraints
We present a method for reconstructing a trajectory of an object moving in front of non-overlapping fully or partially calibrated cameras. The non-overlapping setup turns that pro...
Branislav Micusik
CARS
2004
15 years 1 months ago
Robotically assisted ablative treatment guided by freehand 3D ultrasound
Robots can improve the accuracy of image-guided needle placement over traditional free-hand techniques. While many research groups have demonstrated this, widespread clinical adopt...
Emad Boctor, Robert J. Webster III, Michael A. Cho...
CVPR
2011
IEEE
14 years 7 months ago
Sparse Reconstruction Cost for Abnormal Event Detection
We propose to detect abnormal events via a sparse reconstruction over the normal bases. Given an over-complete normal basis set (e.g., an image sequence or a collection of local s...
Yang Cong, Junsong Yuan, Ji Liu
ICCV
1999
IEEE
16 years 1 months ago
Fast Approximate Energy Minimization via Graph Cuts
In this paper we address the problem of minimizing a large class of energy functions that occur in early vision. The major restriction is that the energy function's smoothnes...
Yuri Boykov, Olga Veksler, Ramin Zabih
EMMCVPR
1999
Springer
15 years 3 months ago
A New Algorithm for Energy Minimization with Discontinuities
Many tasks in computer vision involve assigning a label (such as disparity) to every pixel. These tasks can be formulated as energy minimization problems. In this paper, we conside...
Yuri Boykov, Olga Veksler, Ramin Zabih