Acoustic source tracking using microphone array R94922079 羅子建 R94922124 林祺豪.

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Presentation transcript:

Acoustic source tracking using microphone array R 羅子建 R 林祺豪

Outline Scenario Motivation Approach Problems References

Scenario Video conference Surveillance system Automatic vehicle system

Motivation Why microphone arrays? –Low price –Less effect of occlusion –the light may change strongly –Provide another information about the tracking target

Approach (1/2) Time delay of arrival (TDOA)

Approach (2/2)

Problems Reverberation Background noise Sensor noise

References (1/2) C. H. Knapp and G. C. Carter, “The generalized correlation method for estimation of time delay,” IEEE Transactions on Acoustics, Speech, and Signal Processing, vol. 24, no. 4, pp. 320–327, N. Strobel, T. Meier, and R. Rabenstein, “Speaker localization using steered filtered-and-sum beamformers,” in Proc. Erlangen Workshop on Vision, Modeling, and Visualization, Erlangen, Germany, 1999, pp. 195– 202. S. T. Birchfield and D. K. Gillmor, “Fast Bayesian acoustic localization,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP ’02), vol. 2, pp. 1793–1796, Orlando, Fla, USA, May D. B. Ward, E. A. Lehmann, and R. C. Williamson, “Particle filtering algorithms for tracking an acoustic source in a reverberant environment,” IEEE Transactions on Speech and Audio Processing, vol. 11, no. 6, pp. 826–836, T. G. Dvorkind and S. Gannot, “Speaker localization exploiting spatial- temporal information,” in Proceedings of the IEEE International Workshop on Acoustic Echo and Noise Control (IWAENC ’03), pp. 295–298, Kyoto, Japan, September 2003.

References (2/2) J. McDonough, U. Klee, and T. Gehrig, “Kalman filtering for time delay of arrival-based source localization,” Tech. Rep. 104, Interactive Systems Laboratories, Universit¨at Karlsruhe, Karlsruhe, Germany, December Ulrich Klee, Tobias Gehrig, and John McDonough, “Kalman Filters for Time Delay of Arrival-Based Source Localization,” EURASIP Journal on Applied Signal Processing Volume 2006 (2006) Sharon Gannot and Tsvi Gregory Dvorkind, “Microphone Array Speaker Localizers Using Spatial- Temporal Information, ”EURASIP Journal on Applied Signal Processing Volume 2006 (2006).