Abstract
In order to solve the problem of low measurement accuracy caused by
uneven imaging resolutions, we develop a three-dimensional catadioptric
vision sensor using 20 to 100 lasers arranged in a circular array called
omnidirectional dot maxtric projection (ODMP). Based on the imaging
characteristic of the sensor, the ODMP can image the area with a high
image resolution. The proposed sensor with ODMP can minimize the loss of
the detail information by adjusting the projection density. In evaluating
the performance of the sensor, real experiments show the designed sensor
has high efficiency and high precision for the measurement of the inner
surfaces of pipelines.
© 2016 Chinese Laser Press
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