On the Advantages of Asynchronous Pixel Reading and Processing for High-Speed Motion Estimation

Authors:
Fernando Pardo;Jose A. Boluda;Francisco Vegara;Pedro Zuccarello
Affiliations:
Departament d'Informàtica, Universitat de València,;Departament d'Informàtica, Universitat de València,;Departament d'Informàtica, Universitat de València,;Departament d'Informàtica, Universitat de València,
Venue:
ISVC '08 Proceedings of the 4th International Symposium on Advances in Visual Computing
Year:
2008

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Abstract

Biological visual systems are becoming an interesting source for the improvement of artificial visual systems. A biologically inspired read-out and pixel processing strategy is presented. This read-out mechanism is based on Selective pixel Change-Driven (SCD) processing. Pixels are individually processed and read-out instead of the classical approach where the read-out and processing is based on complete frames. Changing pixels are read-out and processed at short time intervals. The simulated experiments show that the response delay using this strategy is several orders of magnitude lower than current cameras while still keeping the same, or even tighter, bandwidth requirements.