Presentation 2009/1/5
MICROPHONE-BASED WIND VELOCITY SENSORS AND THEIR APPLICATION TO INTERACTIVE ANIMATION(International Workshop on Advanced Image Technology 2009)
Ken-ichi Kanno, Norishige Chiba,
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Abstract(in English) We are developing a simple low-cost wind velocity sensor based on small microphones. The sensor system consists of 4 microphones covered with specially shaped wind screens, 4 pre-amplifiers that respond to low frequency, and a commercial sound interface with multi channel inputs. In this paper, we first present the principle of the sensor, i.e., technique to successfully suppress the influence of external noise existing in the environment in order to determine the wind velocity and the wind direction from the output from a microphone. Then, we present an application for generating realistic motions of a virtual tree swaying in real wind. Although the current sensor outputs significant leaps in a measured sequence of directions, the interactive animations demonstrate that it is usable for such applications, if we could reduce the leaps to some degree.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) wind sensor / wind velocity / microphone / interactive animation
Paper # IE2008-147
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Committee IE
Conference Date 2009/1/5(1days)
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Registration To Image Engineering (IE)
Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) MICROPHONE-BASED WIND VELOCITY SENSORS AND THEIR APPLICATION TO INTERACTIVE ANIMATION(International Workshop on Advanced Image Technology 2009)
Sub Title (in English)
Keyword(1) wind sensor
Keyword(2) wind velocity
Keyword(3) microphone
Keyword(4) interactive animation
1st Author's Name Ken-ichi Kanno
1st Author's Affiliation Iwate Industrial Technology Junior College()
2nd Author's Name Norishige Chiba
2nd Author's Affiliation Iwate University
Date 2009/1/5
Paper # IE2008-147
Volume (vol) vol.108
Number (no) 373
Page pp.pp.-
#Pages 5
Date of Issue