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Joint speaker localization and array calibration using expectation-maximization

Yuval Dorfan, Ofer Schwartz, Sharon Gannot
2020 EURASIP Journal on Audio, Speech, and Music Processing  
The coordinates of multiple arrays relative to an anchor array are blindly estimated using naturally uttered speech signals of multiple concurrent speakers.  ...  The speakers' locations, relative to the anchor array, are also estimated.  ...  Pini Tandeitnik for his professional assistance during the acoustic room setup and the recordings.  ... 
doi:10.1186/s13636-020-00177-1 fatcat:d62h5ez67jdqdh7hcbp66yx6mi

Multiple source localization based on biased bearings using the intensity filter - approach and experimental results

Marek Schikora, Marc Oispuu, Wolfgang Koch, Daniel Cremers
2011 2011 4th IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP)  
This paper investigates the three-dimensional localization problem for multiple emitters using a realistic airborne array sensor.  ...  In this paper, we compare two localization approaches without and with the consideration of systematic bearing errors and verify them with an experimental data set.  ...  Bearings-only localization (BOL) can be realized through multiple DF sensors or a single moving DF sensor.  ... 
doi:10.1109/camsap.2011.6136046 dblp:conf/camsap/SchikoraOKC11 fatcat:dcseh3otr5dg7of2i5thoj6vqm

TagTrack: Device-Free Localization and Tracking Using Passive RFID Tags

Wenjie Ruan, Lina Yao, Quan Z. Sheng, Nickolas Falkner, Xue Li
2014 Proceedings of the 11th International Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services  
We conduct extensive experiments and the results demonstrate the effectiveness and accuracy of our approaches with up to 98% localization accuracy and an average of 0.7m tracking error.  ...  In this paper, we propose a novel localization and tracking system based on the Received Signal Strength field formed by a set of cost-efficient passive RFID tags.  ...  of our system by expanding a single RSS field into multiple RSS fields.  ... 
doi:10.4108/icst.mobiquitous.2014.258004 dblp:conf/mobiquitous/RuanYSFL14 fatcat:f5yyu7c5frbclcqjzlh2yfnlz4

Acoustic Localization Using Spatial Probability in Noisy and Reverberant Environments

Sebastian Braun, Ivan Tashev
2019 2019 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA)  
In realistic acoustic sound source localization scenarios, we often encounter not only the presence of multiple simultaneous sound sources, but also reverberation and noise.  ...  We demonstrate the robustness of our method in challenging non-stationary scenarios for single-and multi-speaker localization in noisy and reverberant conditions.  ...  In this paper, we propose a sound source localization method that i) is general for any microphone array, ii) can locate multiple simultaneously active, possibly moving sound sources, iii) increases farfield  ... 
doi:10.1109/waspaa.2019.8937163 dblp:conf/waspaa/BraunT19 fatcat:vkd7d5xl2jhtzg5c7a7onnaoci

Multiple Sound Source Location Estimation In Wireless Acoustic Sensor Networks Using Doa Estimates: The Data-Association Problem

Anastasios Alexandridis, Athanasios Mouchtaris
2017 Zenodo  
In this work, we consider the data-association problem for the localization of multiple sound sources in a wireless acoustic sensor network (WASN), where each node is a microphone array, using direction  ...  We present a method to identify the correct association of DOAs to the sources and thus accurately estimate their locations.  ...  ACKNOWLEDGMENT The authors would like to thank Giorgos Borboudakis for all the fruitful discussions and his important input during the development of some parts of the proposed method.  ... 
doi:10.5281/zenodo.1117766 fatcat:pdqjwvriyndotokefevgs4gy7e

Localization and Tracking of Passive RFID Tags Based on Direction Estimation

Yimin Zhang, Moeness G. Amin, Shashank Kaushik
2007 International Journal of Antennas and Propagation  
In particular, there are increasing needs to locate and track multiple RFID-tagged items that are closely spaced.  ...  This paper examines the applicability of direction-of-arrival (DOA) estimation methods to the localization and tracking problems of passive RFID tags.  ...  ACKNOWLEDGMENTS This work was supported in part by the Ben Franklin Technology Partners of Southeastern Pennsylvania.  ... 
doi:10.1155/2007/17426 fatcat:r6ifcjutlbhgricgw46j77riyu

A Real-Time Demonstrator for the 2D Localization of two Sound Sources Using Blind Adaptive MIMO System Identification

Anthony Lombard, Walter Kellermann, Herbert Buchner
2008 2008 Hands-Free Speech Communication and Microphone Arrays  
A real-time demonstrator for the 2D localization of two sound sources using two microphone pairs is presented and evaluated.  ...  Extending our previously presented work [1], a mechanism to solve a pairing problem occuring in the multidimensional localization of several sources is described.  ...  Results for moving sources The localization scheme was also assessed in the presence of a fixed source and a moving source under the same conditions as in Sect. 3.1.  ... 
doi:10.1109/hscma.2008.4538683 fatcat:yly6sjpq7jalrgv7okupiezp3e

Reusing 60GHz Radios for Mobile Radar Imaging

Yanzi Zhu, Yibo Zhu, Ben Y. Zhao, Haitao Zheng
2015 Proceedings of the 21st Annual International Conference on Mobile Computing and Networking - MobiCom '15  
We believe that this is the first practical mobile imaging system (re)using 60GHz networking devices, and provides a basic primitive towards the construction of detailed environmental mapping systems.  ...  In addition to object location, our algorithm can discover a rich set of object surface properties at high precision, including object surface orientation, curvature, boundaries, and surface material.  ...  This work is supported in part by NSF grants IIS-1321083, CNS-1224100, and CNS-1317153.  ... 
doi:10.1145/2789168.2790112 dblp:conf/mobicom/ZhuZZZ15 fatcat:k2scrztbvjhznk4e4kuv67pwcm

Assessment of Sound Source Tracking Using Multiple Drones Equipped with Multiple Microphone Arrays

Taiki Yamada, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
2021 International Journal of Environmental Research and Public Health  
Authors have also proposed a sound source tracking method that utilizes multiple microphone arrays to obtain the likelihood distribution of the sound source locations.  ...  Drone audition techniques are helpful for listening to target sound sources from the sky, which can be used for human searching tasks in disaster sites.  ...  Abbreviations The following abbreviations are used in this manuscript: SNR Signal-to-noise ratio MUSIC Multiple signal classification PAFIM Particle filtering with integrated MUSIC RMSE Root-mean-square  ... 
doi:10.3390/ijerph18179039 pmid:34501626 fatcat:j7bxyhkynzapvieo7ydhtq3ude

Real-time multiple sound source localization using a circular microphone array based on single-source confidence measures

Despoina Pavlidi, Matthieu Puigt, Anthony Griffin, Athanasios Mouchtaris
2012 2012 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)  
We propose a novel real-time adaptative localization approach for multiple sources using a circular array, in order to suppress the localization ambiguities faced with linear arrays, and assuming a weak  ...  Our proposed method performs very well both in simulations and in real conditions at 50% real-time.  ...  The MAEE error of 2 static speakers, spaced by 45 • , for pair positioning from 0 • to 360 • in 10 • steps around the array is shown in Fig. 3(c) .  ... 
doi:10.1109/icassp.2012.6288455 dblp:conf/icassp/PavlidiPGM12 fatcat:di4qh4oicfd3fat5rmybuntw7u

The Fusion of Distributed Microphone Arrays for Sound Localization

Parham Aarabi
2003 EURASIP Journal on Advances in Signal Processing  
Experimental results using 10 2-element microphone arrays show a reduction in the sound localization error from 0.9 m to 0.08 m at a signal-to-noise ratio of 0 dB.  ...  This paper presents a general method for the integration of distributed microphone arrays for localization of a sound source.  ...  ACKNOWLEDGMENT Some of the simulation and experimental results presented here have been presented in a less developed manner in [20, 31] .  ... 
doi:10.1155/s1110865703212014 fatcat:d745erjv5rbfvoymgpd2a7qace

Sequential Wireless Sensor Network Discovery Using Wide Aperture Array Signal Processing

Mahesh Banavar, A.G. Constantinides, Athanassios Manikas, Andreas Spanias, Cihan Tepedelenlioglu, Trevor Thornton, Marc Willerton, Eric Yeatman, Xue Zhang
2012 Zenodo  
Publication in the conference proceedings of EUSIPCO, Bucharest, Romania, 2012  ...  Step 2: If N set ≥ 4 Then Form an array of the N set nodes with geometry r Else Move to Step 4. Step 3: Estimate the location of the transmitting node over L snapshots using Equation (11) and r.  ...  Assume the array operates in the presence of a single node transmitting a narrowband message signal m (t) with carrier frequency F c and is located at azimuth θ, elevation φ and range ρ 1 with respect  ... 
doi:10.5281/zenodo.52086 fatcat:fa4mx3b6ufestl7gklhewtkrzq

Non-Coherent Direction of Arrival Estimation from Magnitude-Only Measurements

Haley Kim, Alexander M. Haimovich, Yonina C. Eldar
2015 IEEE Signal Processing Letters  
We consider the classical Direction of arrival (DOA) estimation problem in the presence of random sensor phase errors are present at each sensor.  ...  For example, the probability of error in locating a single target within 2 degrees is less than 0.1 for dB and one snapshot, and negligible for dB and five snapshots.  ...  it incorporates the effect of using multiple observations).  ... 
doi:10.1109/lsp.2014.2377556 fatcat:5obe4x6hlfb6lo32ui6apmpfn4

Modelling and estimation of carrier frequency and phase uncertainties in large aperture arrays

Akinbiyi Akindoyin
2015 2015 IEEE International Conference on Communications (ICC)  
In this situation, it is practically impossible to have a common carrier (common local oscillator -LO) in order to form a fully coherent array system, as in the case of small aperture arrays where the  ...  array elements are in the vicinity of each other.  ...  INTRODUCTION Fig. 1 . 1 Wireless Single Input Multiple Output (SIMO) Single Path Mode. Fig. 2 . 2 Model of an array receiver with local oscillator uncertainties.  ... 
doi:10.1109/icc.2015.7249068 dblp:conf/icc/Akindoyin15 fatcat:ppj4mtu35jb35h3hjb44f4qiwm

A Two-Stage STAP Method Based on Fine Doppler Localization and Sparse Bayesian Learning in the Presence of Arbitrary Array Errors

Kun Liu, Tong Wang, Jianxin Wu, Jinming Chen
2021 Sensors  
In the presence of unknown array errors, sparse recovery based space-time adaptive processing (SR-STAP) methods usually directly use the ideal spatial steering vectors without array errors to construct  ...  In the first stage, utilizing the spatial-temporal coupling property of the ground clutter, a set of spatial steering vectors with array errors are well estimated by fine Doppler localization.  ...  sensor location errors are depicted in Figure 7a , the PD versus SNR curves in the presence of sensor location errors are depicted in Figure 7b .  ... 
doi:10.3390/s22010077 pmid:35009630 pmcid:PMC8747692 fatcat:kkma6zjkkfd5jlw3aa55sjqdju
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