JACIII Vol.25 No.3 pp. 375-382
doi: 10.20965/jaciii.2021.p0375


Speaker Localization Based on Audio-Visual Bimodal Fusion

Ying-Xin Zhu*,**,*** and Hao-Ran Jin*,**,***,†

*School of Automation, China University of Geosciences
388 Lumo Road, Hongshan District, Wuhan, Hubei 430074, China

**Hubei Key Laboratory of Advanced Control and Intelligent Automation for Complex Systems
Wuhan, Hubei 430074, China

***Engineering Research Center of Intelligent Technology for Geo-Exploration, Ministry of Education
Wuhan, Hubei 430074, China

Corresponding author

March 20, 2021
March 31, 2021
May 20, 2021
speaker positioning, microphone array, image, information fusion

The demand for fluency in human–computer interaction is on an increase globally; thus, the active localization of the speaker by the machine has become a problem worth exploring. Considering that the stability and accuracy of the single-mode localization method are low, while the multi-mode localization method can utilize the redundancy of information to improve accuracy and anti-interference, a speaker localization method based on voice and image multimodal fusion is proposed. First, the voice localization method based on time differences of arrival (TDOA) in a microphone array and the face detection method based on the AdaBoost algorithm are presented herein. Second, a multimodal fusion method based on spatiotemporal fusion of speech and image is proposed, and it uses a coordinate system converter and frame rate tracker. The proposed method was tested by positioning the speaker stand at 15 different points, and each point was tested 50 times. The experimental results demonstrate that there is a high accuracy when the speaker stands in front of the positioning system within a certain range.

Cite this article as:
Ying-Xin Zhu and Hao-Ran Jin, “Speaker Localization Based on Audio-Visual Bimodal Fusion,” J. Adv. Comput. Intell. Intell. Inform., Vol.25, No.3, pp. 375-382, 2021.
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Last updated on Jun. 22, 2021