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ICASSP
2011
IEEE
7 years 8 months ago
Motion-decision based spatiotemporal saliency for video sequences
An adaptive spatiotemporal saliency algorithm for video attention detection using motion vector decision is proposed, motivated by the importance of motion information in video se...
Yaping Zhu, Natan Jacobson, Hong Pan, Truong Q. Ng...
TIP
2010
165views more  TIP 2010»
7 years 11 months ago
A Novel Approach to FRUC Using Discriminant Saliency and Frame Segmentation
Motion-Compensated Frame Interpolation (MCFI) is a technique used extensively for increasing the temporal frequency of a video sequence. In order to obtain a high quality interpola...
Natan Jacobson, Yen-Lin Lee, Vijay Mahadevan, Nuno...
CVIU
2011
7 years 11 months ago
Action recognition with appearance-motion features and fast search trees
In this paper we propose an approach for action recognition based on a vocabulary of local motion-appearance features and fast approximate search in a large number of trees. Large...
Krystian Mikolajczyk, Hirofumi Uemura
IJON
2010
139views more  IJON 2010»
8 years 2 months ago
Event monitoring via local motion abnormality detection in non-linear subspace
We present a computational approach to abnormal visual event detection, which is based on exploring and modeling local motion patterns in a non-linear subspace. We use motion vect...
Ioannis Tziakos, Andrea Cavallaro, Li-Qun Xu
IJISTA
2010
126views more  IJISTA 2010»
8 years 2 months ago
A robust method for camera motion estimation in movies based on optical flow
—Camera motion estimation plays an important role in digital video analysis algorithms such as video indexing and retrieval or automatic movie analysis. Several algorithms have b...
Nhat Tan Nguyen, Denis Laurendeau, Alexandra Branz...
MTA
2007
140views more  MTA 2007»
8 years 3 months ago
Motion mapping and mode decision for MPEG-2 to H.264/AVC transcoding
This paper describes novel transcoding techniques aimed for low-complexity MPEG-2 to H.264/AVC transcoding. An important application for this type of conversion is efficient stor...
Jun Xin, Jianjun Li, Anthony Vetro, Shun-ichi Seki...
ICMCS
2010
IEEE
271views Multimedia» more  ICMCS 2010»
8 years 5 months ago
Motion vector refinement for FRUC using saliency and segmentation
Motion-Compensated Frame Interpolation (MCFI) is a technique used extensively for increasing the temporal frequency of a video sequence. In order to obtain a high quality interpol...
Natan Jacobson, Yen-Lin Lee, Vijay Mahadevan, Nuno...
TRECVID
2008
8 years 5 months ago
Detecting Single-Actor Events in Video Streams for TRECVid 2008
This paper presents the systems and results for the Event Detection task of the TRECVid 2008 evaluation campaign. The kind of events addressed are single-actor, without requiring ...
Andreas Stergiou, Aristodemos Pnevmatikakis, Lazar...
ICASSP
2007
IEEE
8 years 6 months ago
Adaptive Multi-Reference Downhill Simplex Search Based on Spatial-Temporal Motion Smoothness Criterion
Multi-reference frame motion estimation improves the accuracy of motion compensation in video coding. However, it also increases computational complexity dramatically. In this pap...
Wei-Hau Pan, Chen-Kuo Chiang, Shang-Hong Lai
DCC
1994
IEEE
8 years 8 months ago
Explicit Bit Minimization for Motion-Compensated Video Coding
abstract Dzung T. Hoang Philip M. Longy Je rey Scott Vitterz Department of Computer Science Duke University Box 90129 Durham, NC 27708 0129 We compare methods for choosing motion ...
Dzung T. Hoang, Philip M. Long, Jeffrey Scott Vitt...
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