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Joint speaker localization and array calibration using expectation-maximization
2020
EURASIP Journal on Audio, Speech, and Music Processing
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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
2011
2011 4th IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP)
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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
2014
Proceedings of the 11th International Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services
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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
2019
2019 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA)
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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
2017
Zenodo
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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
2007
International Journal of Antennas and Propagation
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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
2008
2008 Hands-Free Speech Communication and Microphone Arrays
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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
2015
Proceedings of the 21st Annual International Conference on Mobile Computing and Networking - MobiCom '15
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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
2021
International Journal of Environmental Research and Public Health
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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
2012
2012 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)
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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
2003
EURASIP Journal on Advances in Signal Processing
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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
2012
Zenodo
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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
2015
IEEE Signal Processing Letters
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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
2015
2015 IEEE International Conference on Communications (ICC)
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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
2021
Sensors
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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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