Predictive head movement tracking using a Kalman filter

1997 ◽  
Vol 27 (2) ◽  
pp. 326-331 ◽  
Author(s):  
A. Kiruluta ◽  
M. Eizenman ◽  
S. Pasupathy
Keyword(s):  
Kalman Filter ◽  
Head Movement ◽  
Movement Tracking

22.14 Head movement tracking in the evaluation of balance

2005 ◽  
Vol 21 ◽  
pp. S146
Author(s):  
P. Forsman ◽  
E. Toppila ◽  
I. Pyykkö ◽  
J. Starck
Keyword(s):  
Head Movement ◽  
Movement Tracking

Role of pinnae and head movements in localizing pure tones 1The authors would like to thank Mr. Remi Humbert for implementing the experiment in Turbo Pascal and for his further assistance.

1999 ◽  
Vol 58 (3) ◽  
pp. 170-179 ◽  
Author(s):  
Barbara S. Muller ◽  
Pierre Bovet
Keyword(s):  
Sound Source ◽  
Head Movement ◽  
Movement Analysis ◽  
Head Movements ◽  
Sound Sources ◽  
Localization Accuracy ◽  
Sound Effects ◽  
Posterior Quadrant ◽  
Localization Performance ◽  
Pure Tones

Twelve blindfolded subjects localized two different pure tones, randomly played by eight sound sources in the horizontal plane. Either subjects could get information supplied by their pinnae (external ear) and their head movements or not. We found that pinnae, as well as head movements, had a marked influence on auditory localization performance with this type of sound. Effects of pinnae and head movements seemed to be additive; the absence of one or the other factor provoked the same loss of localization accuracy and even much the same error pattern. Head movement analysis showed that subjects turn their face towards the emitting sound source, except for sources exactly in the front or exactly in the rear, which are identified by turning the head to both sides. The head movement amplitude increased smoothly as the sound source moved from the anterior to the posterior quadrant.

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