Optical Flow From 1D Correlation: Application to a Simple Time-To-Crash Detector

dc.creator	Ancona, Nicola
dc.creator	Poggio, Tomaso
dc.date	2004-10-08T20:34:23Z
dc.date	2004-10-08T20:34:23Z
dc.date	1993-10-01
dc.date.accessioned	2013-10-09T02:46:08Z
dc.date.available	2013-10-09T02:46:08Z
dc.date.issued	2013-10-09
dc.identifier	AIM-1375
dc.identifier	http://hdl.handle.net/1721.1/6609
dc.identifier.uri	http://koha.mediu.edu.my:8181/xmlui/handle/1721
dc.description	In the first part of this paper we show that a new technique exploiting 1D correlation of 2D or even 1D patches between successive frames may be sufficient to compute a satisfactory estimation of the optical flow field. The algorithm is well-suited to VLSI implementations. The sparse measurements provided by the technique can be used to compute qualitative properties of the flow for a number of different visual tsks. In particular, the second part of the paper shows how to combine our 1D correlation technique with a scheme for detecting expansion or rotation ([5]) in a simple algorithm which also suggests interesting biological implications. The algorithm provides a rough estimate of time-to-crash. It was tested on real image sequences. We show its performance and compare the results to previous approaches.
dc.format	767003 bytes
dc.format	1368054 bytes
dc.format	application/octet-stream
dc.format	application/pdf
dc.language	en_US
dc.relation	AIM-1375
dc.title	Optical Flow From 1D Correlation: Application to a Simple Time-To-Crash Detector

Files in this item

Files	Size	Format	View
There are no files associated with this item.