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

Please use this identifier to cite or link to this item: http://dspace.mediu.edu.my:8181/xmlui/handle/1721.1/6609

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DC Field	Value	Language
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	-
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