Title:
SOUND SOURCE DIRECTION ESTIMATION METHOD AND APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/200722
Kind Code:
A1
Abstract:
Provided are a sound source direction estimation method and apparatus. The method comprises: when a sound signal is detected, collecting an image by means of a camera (S11); acquiring position coordinates of a sound source in the image (S12); calculating, according to the position coordinates of the sound source in the image, a first included angle between a connecting line, between the camera and the sound source, and a projection plane of the camera (S13); and calculating the direction of the sound source according to the first included angle and a pre-set second included angle (S14). By means of the method, estimating the direction of a sound source avoids the impact of environmental noise and improves the accuracy of estimation.
Inventors:
ZOU HUANGHUI (CN)
Application Number:
PCT/CN2018/094132
Publication Date:
October 24, 2019
Filing Date:
July 02, 2018
Export Citation:
Assignee:
SHENZHEN WATER WORLD CO LTD (CN)
International Classes:
G01S3/802
Foreign References:
| CN105679328A | 2016-06-15 | |||
| CN105679328A | 2016-06-15 | |||
| CN105159111A | 2015-12-16 | |||
| CN105976826A | 2016-09-28 | |||
| CN105812969A | 2016-07-27 | |||
| CN107680593A | 2018-02-09 | |||
| JP2008126329A | 2008-06-05 |
Attorney, Agent or Firm:
SHENZHEN MINGRIJINDIAN INTELLECTUAL PROPERTY AGENCY FIRM(GENERAL) (CN)
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