Title
Change-driven data flow image processing architecture for optical flow computation.
Abstract
Optical flow computation has been extensively used for motion estimation of objects in image sequences. The results obtained by most optical flow techniques are computationally intensive due to the large amount of data involved. A new change-based data flow pipelined architecture has been developed implementing the Horn and Schunk smoothness constraint; pixels of the image sequence that significantly change, fire the execution of the operations related to the image processing algorithm. This strategy reduces the data and, combined with the custom hardware implemented, it achieves a significant optical flow computation speed-up with no loss of accuracy. This paper presents the bases of the change-driven data flow image processing strategy, as well as the implementation of custom hardware developed using an Altera Stratix PCI development board.
Year
DOI
Venue
2007
10.1007/s11554-007-0060-y
J. Real-Time Image Processing
Keywords
Field
DocType
motion estimation,image processing,data flow,optical flow
Stratix,Computer vision,Architecture,Computer science,Image processing,Artificial intelligence,Pixel,Motion estimation,Smoothness,Optical flow,Data flow diagram
Journal
Volume
Issue
ISSN
2
4
1861-8219
Citations 
PageRank 
References 
6
0.48
13
Authors
4
Name
Order
Citations
PageRank
Julio C. Sosa1111.61
Jose Antonio Boluda2111.97
F. Pardo38211.00
Rocío Gómez-Fabela4100.89