Title
DOA-estimation based on a complex Watson kernel method
Abstract
This contribution presents a Direction of Arrival (DoA) estimation algorithm based on the complex Watson distribution to incorporate both phase and level differences of captured microphone array signals. The derived algorithm is reviewed in the context of the Generalized State Coherence Transform (GSCT) on the one hand and a kernel density estimation method on the other hand. A thorough simulative evaluation yields insight into parameter selection and provides details on the performance for both directional and omni-directional microphones. A comparison to the well known Steered Response Power with Phase Transform (SRP-PHAT) algorithm and a state of the art DoA estimator which explicitly accounts for aliasing, shows in particular the advantages of presented algorithm if inter-sensor level differences are indicative of the DoA, as with directional microphones.
Year
Venue
Keywords
2015
European Signal Processing Conference
Direction of Arrival,sensor array,directional statistics,complex Watson distribution,directional sensors
Field
DocType
ISSN
Kernel (linear algebra),Direction of arrival,Computer science,Algorithm,Microphone array,Speech recognition,Coherence (physics),Aliasing,Kernel method,Kernel density estimation,Estimator
Conference
2076-1465
Citations 
PageRank 
References 
1
0.36
8
Authors
3
Name
Order
Citations
PageRank
Lukas Drude19511.10
Florian Jacob2302.98
Reinhold Haeb-Umbach31487211.71