Rapid octree construction from image sequences
CVGIP: Image Understanding
Artificial Intelligence - Special volume on computer vision
Novel View Synthesis by Cascading Trilinear Tensors
IEEE Transactions on Visualization and Computer Graphics
A Factorization Based Algorithm for Multi-Image Projective Structure and Motion
ECCV '96 Proceedings of the 4th European Conference on Computer Vision-Volume II - Volume II
The Representation and Recognition of Human Movement Using Temporal Templates
CVPR '97 Proceedings of the 1997 Conference on Computer Vision and Pattern Recognition (CVPR '97)
Multiple View Geometry in Computer Vision
Multiple View Geometry in Computer Vision
Silhouette-Based Human Identification from Body Shape and Gait
FGR '02 Proceedings of the Fifth IEEE International Conference on Automatic Face and Gesture Recognition
A Reliable-Inference Framework for Recognition of Human Actions
AVSS '03 Proceedings of the IEEE Conference on Advanced Video and Signal Based Surveillance
ICCV '98 Proceedings of the Sixth International Conference on Computer Vision
Visual Modeling with a Hand-Held Camera
International Journal of Computer Vision
Tracking Multiple Humans in Complex Situations
IEEE Transactions on Pattern Analysis and Machine Intelligence
Selecting Canonical Views for View-Based 3-D Object Recognition
ICPR '04 Proceedings of the Pattern Recognition, 17th International Conference on (ICPR'04) Volume 2 - Volume 02
Moving Shadow Detection using a Combined Geometric and Color Classification Approach
WACV-MOTION '05 Proceedings of the IEEE Workshop on Motion and Video Computing (WACV/MOTION'05) - Volume 2 - Volume 02
Minimal-latency human action recognition using reliable-inference
Image and Vision Computing
Real-time foreground-background segmentation using codebook model
Real-Time Imaging
A multiview approach to tracking people in crowded scenes using a planar homography constraint
ECCV'06 Proceedings of the 9th European conference on Computer Vision - Volume Part IV
Computing and evaluating view-normalized body part trajectories
Image and Vision Computing
Factorial HMM and parallel HMM for gait recognition
IEEE Transactions on Systems, Man, and Cybernetics, Part C: Applications and Reviews
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Activity and gait recognition are among the various applications that necessitate view-specific input. In a real surveillance scenario it is impractical to assume that the desired canonical view will always be available. We present a framework to generate the canonical view of any translating object in a scene monitored by multiple cameras. The method is capable of recovering this view despite the fact that none of the cameras can see it individually. In this two step process, first the camera and scene geometry is used to identify the sagittal plane of the object, which is used to define the canonical view. Next, each original view is warped to the canonical view through planar homographies learnt from geometric constraints. The warped images are then combined by way of evidence fusion to recover the shape energy map which is used to obtain the final binary silhouette of the object's shape. Results presented for various indoor and outdoor sequences demonstrate the efficacy of this method in generating the shape of the object as seen from the canonical view, while resolving occlusions.