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http://dspace.mediu.edu.my:8181/xmlui/handle/1721.1/6609| Title: | Optical Flow From 1D Correlation: Application to a Simple Time-To-Crash Detector |
| Issue Date: | 9-Oct-2013 |
| 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. |
| URI: | http://koha.mediu.edu.my:8181/xmlui/handle/1721 |
| Other Identifiers: | AIM-1375 http://hdl.handle.net/1721.1/6609 |
| Appears in Collections: | MIT Items |
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