Vehicle type recognition method and fast vehicle checking system using the same method
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United States of America Patent
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Sep 11, 2018
Grant Date -
Jun 23, 2016
app pub date -
Dec 17, 2015
filing date -
Dec 17, 2014
priority date (Note) -
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Abstract
A vehicle type recognition method based on a laser scanner is provided, the method includes detecting that a vehicle to be checked has entered into a recognition area; causing a laser scanner to move relative to the vehicle to be checked; scanning the vehicle to be checked using the laser scanner on a basis of columns, and storing and splicing data of each column obtained by scanning to form a three-dimensional image of the vehicle to be checked, wherein a lateral width value is specified for each single column of data; specifying a height difference threshold; and determining a height difference between the height at the lowest position of the vehicle to be checked in data of column N and the height at the lowest position of the vehicle to be checked in data of specified number of columns preceding and/or succeeding to the column N.
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