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Journal of Real-Time Image Processing

, Volume 5, Issue 4, pp 275–289 | Cite as

Integrated video motion estimator with Retinex-like pre-processing for robust motion analysis in automotive scenarios: algorithmic and real-time architecture design

  • Stefano Marsi
  • Sergio SaponaraEmail author
Special Issue

Abstract

The paper presents a novel technique for robust motion analysis in real automotive scenarios based on integrated Retinex-like pre-processing algorithm with block matching video motion estimator. Both algorithmic and real-time hardware design issues are discussed. The benefits of the proposed technique are manifold: the entire system is more robust; the estimated motion vectors are more reliable and less dependent on critical ambient conditions like shadows or flashes; the proposed algorithm may allow to perform motion estimation using very few bits and running as a 2- or 1-bit transform, still maintaining good performances. Real-time hardware implementation is achieved by design and synthesis in 65 nm CMOS standard-cells technology of an Application Specific Instruction-set Processor. Design optimizations for both the processing core and the memory organization are presented. With respect to the state of the art the proposed hardware implementation ensures bounded circuit complexity, low power consumption and reprogrammability of the technique.

Keywords

Robust motion analysis Video processing for automotive applications Motion estimation Retinex filters Application Specific Instruction-set Processor (ASIP) Hardware for real-time processing 

Notes

Acknowledgments

This research was partially supported by grants of the University of Trieste and of the Regione Friuli-Venezia Giulia within the “Eladin 2” project.

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Copyright information

© Springer-Verlag 2010

Authors and Affiliations

  1. 1.DEEI, University of TriesteTriesteItaly
  2. 2.Department of Information EngineeringUniversity of PisaPisaItaly

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