METHOD OF CONSTRUCTING STREET GUIDANCE INFORMATION DATABASE, AND STREET GUIDANCE APPARATUS AND METHOD USING STREET GUIDANCE INFORMATION DATABASE
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United States of America Patent
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Issued Date -
Jan 5, 2017
app pub date -
Apr 22, 2016
filing date -
Feb 23, 2015
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Abstract
A walking guidance apparatus using a walking guidance information database includes a feature point extracting unit configured to extract a feature point from an acquired image, a corresponding point search unit configured to search for a corresponding point based on a correspondence relationship between feature points extracted from consecutive images, a current position and walking direction calculation unit configured to calculate a current position and a walking direction of a pedestrian by calculating a 3D position and pose of a camera between the images by using camera internal parameters and a relationship between corresponding points, a guidance information generating unit configured to generate guidance information according to the current position and the walking direction of the pedestrian, and a guidance sound source reproducing unit configured to reproduce a guidance sound source corresponding to the guidance information in 3D based on the current position and the walking direction of the pedestrian.
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