Building in-vehicle human-machine interfaces, information on speaker's direction is helpful for achieving robust speech recognition and video camera control applications. This chapter presents two-step particle filtering approach in a spectro-spatial domain for achieving robust Direction-Of-Arrival (DOA) estimation in noisy environments such as in-vehicle conditions. The particle filter is applied to track the movement of an active speaker while speaking, and the two-step filtering aims at combining the advantages of both traditional cross-correlation (CC) and generalized cross-correlation (GCC) methods.
CITATION STYLE
Mizumachi, M., & Niyada, K. (2007). Estimation of active speaker’s direction using particle filters for in-vehicle environment. In Advances for In-Vehicle and Mobile Systems: Challenges for International Standards (pp. 141–152). Springer Science and Business Media, LLC. https://doi.org/10.1007/978-0-387-45976-9_12
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