Sciweavers

68 search results - page 9 / 14
» Compressing Spatio-temporal Trajectories
Sort
View
ICMCS
2006
IEEE
113views Multimedia» more  ICMCS 2006»
14 years 1 months ago
Fast Multi-Reference Frame Motion Estimation via Downhill Simplex Search
Multi-reference frame motion estimation improves the accuracy of motion compensation in video compression, but it also dramatically increases computational complexity. Based on tr...
Chen-Kuo Chiang, Shang-Hong Lai
MTA
2007
133views more  MTA 2007»
13 years 7 months ago
Compressed domain video retrieval using object and global motion descriptors
Video content description has become an important task with the standardization effort of MPEG-7, which aims at easy and efficient access to visual information. In this paper we ...
R. Venkatesh Babu, K. R. Ramakrishnan
PAMI
2010
265views more  PAMI 2010»
13 years 6 months ago
Motion Segmentation in the Presence of Outlying, Incomplete, or Corrupted Trajectories
—In this paper, we study the problem of segmenting tracked feature point trajectories of multiple moving objects in an image sequence. Using the affine camera model, this proble...
Shankar Rao, Roberto Tron, René Vidal, Yi M...
IVC
2002
185views more  IVC 2002»
13 years 7 months ago
Path detection in video surveillance
This paper addresses the problem of automatically extracting frequently used pedestrian pathways from video sequences of natural outdoor scenes. Path models are learnt from the ac...
Dimitrios Makris, Tim Ellis
ICIP
2000
IEEE
14 years 9 months ago
Temporal Segmentation of Video Using Frame and Histogram-Space
Two algorithms are presented for the detection of gradual transitions in video sequences. The first is a dissolve detection algorithm utilizing certain properties of a dissolve�...
Robert A. Joyce, Bede Liu