Sciweavers

ACCV
2009
Springer
14 years 6 months ago
Crowd Flow Characterization with Optimal Control Theory
Abstract. Analyzing the crowd dynamics from video sequences is an open challenge in computer vision. Under a high crowd density assumption, we characterize the dynamics of the crow...
Pierre Allain, Nicolas Courty, Thomas Corpetti
ACCV
2009
Springer
14 years 6 months ago
A Dynamic Programming Approach to Maximizing Tracks for Structure from Motion
We present a novel algorithm for improving the accuracy of structure from motion on video sequences. Its goal is to efficiently recover scene structure and camera pose by using dyn...
Jonathan Mooser, Suya You, Ulrich Neumann, Raphael...
ICASSP
2009
IEEE
14 years 6 months ago
Distributions of 3D DCT coefficients for video
The three-dimensional discrete cosine transform (3D DCT) has been proposed as an alternative to motion-compensated transform coding for video content. However, so far no definiti...
Malavika Bhaskaranand, Jerry D. Gibson
AINA
2009
IEEE
14 years 6 months ago
Content-Adaptive Robust H.264/SVC Video Communications over 802.11e Networks
In this paper we present a low-complexity traffic prioritization strategy for video transmission using the H.264 scalable video coding (SVC) standard over 802.11e wireless networ...
Dario Gallucci, Attilio Fiandrotti, Enrico Masala,...
ICPR
2010
IEEE
14 years 6 months ago
Forward-Backward Consistent Trajectories in Video Sequences
This paper is concerned with accuracy estimation of point trajectories in video sequences without ground truth information. This is an essential problem for many computer vision a...
Zdenek Kalal, Krystian Mikolajczyk, Jiri Matas
CVPR
2010
IEEE
14 years 7 months ago
Rectifying rolling shutter video from hand-held devices
This paper presents a method for rectifying video sequences from rolling shutter (RS) cameras. In contrast to previous RS rectification attempts we model distortions as being cau...
Per-Erik Forssen, Erik Ringaby
ICPR
2008
IEEE
15 years 21 days ago
Superresolution and blind deconvolution of video
In many real applications traditional superresolution methods fail to provide high-resolution images due to objectionable blur and inaccurate registration of input low-resolution ...
Filip Sroubek, Jan Flusser, Michal Sorel
ICIP
2003
IEEE
15 years 1 months ago
Statistical modeling for facial expression analysis and synthesis
Facial expression interpretation, recognition and analysis is a key issue in visual communication and man to machine interaction. In this paper, we present a technique for extract...
Bouchra Abboud, Franck Davoine, M. Dang
ICIP
2006
IEEE
15 years 1 months ago
Keyframe Animation from Video
This paper proposes a method for analyzing and synthesizing video sequences, specifically suited for image sequences of natural phenomena. We combine a low-dimensional representat...
Timo Stich, Marcus A. Magnor
ICIP
2008
IEEE
15 years 1 months ago
People re-detection using Adaboost with sift and color correlogram
People re-detection aims at performing re-identification of people who leave the scene and reappear after some time. This is an important problem especially in video surveillance ...
Lei Hu, Shuqiang Jiang, Qingming Huang, Wen Gao