Data processing: measuring – calibrating – or testing – Calibration or correction system – Position measurement
Reexamination Certificate
2005-11-29
2005-11-29
Nghiem, Michael (Department: 2863)
Data processing: measuring, calibrating, or testing
Calibration or correction system
Position measurement
C342S450000, C702S127000
Reexamination Certificate
active
06970796
ABSTRACT:
Precision and reliability of localization estimates derived from conventional localization systems are improved through a system and method for post-processing of initial localization data, even in environments which may include noise, reflections, or other interference. Such localization systems include conventional sound source localization (SSL) systems based on microphone array inputs, radio source location systems based on directional antenna array inputs, etc. In general, this post-processing system and method applies statistical real-time clustering to initial localization estimates, and then uses this real-time clustering in a multi-stage process to generate new localization estimates having improved precision and reliability relative to the initial localization estimates.
REFERENCES:
patent: 5555512 (1996-09-01), Imai et al.
patent: 6249252 (2001-06-01), Dupray
Hong Wang, Peter Chu, “Voice source localization for automatic camera pointing system in videoconferencing”. Proceedings of ICASSP 1997.
Ramani Duraiswami, Dmitry Zotkin, Larry Davis, “Active Speech Source Localization By A Dual Coarse-To-Fine Search”. Proceedings ICASSP 2001, Salt Lake City, UT, May 2001.
D. Giuliani, M. Omologo, P. Svaizer. “Talker Localization and Speech Recognition using a Microphone Array and a Cross-Power Spectrum Phase Analysis”, Proceedings of ICSLP 94, Yokohama, Japan, 1994.
Stanley Birchfield, Daniel Kahn Gillmor. “Acoustic Source Direction by Hemisphere Sampling”, Proceedings ICASSP 2001, Salt Lake City, UT, May 2001.
Scott M. Greibel, Michale Brandstein. “Microphone Array Source Localization Using Realizable Delay Vectors”. Proceedings of WASPAA 2001, New Paltz, NY, Oct. 2001.
Daren Ward, Robert Williamson. “Particle Filter Beam-Forming for Acoustic Source Localization in a Reverberant Environment”. Proceedings of ICASSP 2002, Orlando, FL, May 2002.
R. Cutler, Y. Rui, A. Gupta, JJ Cadiz, I. Tashev, L. He, A. Colburn, Z. Zhang, Z. Liu, S. Silverberg. “Distributed Meetings: A Meeting Capture and Broadcasting System”. Proceedings of ACM Multimedia 2002, Nice, France, Dec. 2002.
Le John
Lyon & Harr LLP
Nghiem Michael
Watson Mark A.
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