Improvements and Applications of the Image-Based Distance Measuring System
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Date
2007-01-19
Authors
Ming-Chih Lu
Chen-Chien Hsu
Yin Yu Lu
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Abstract
The paper presents practical improvements on the Image-Based Distance Measuring System,
achieving the capability of 3-dimensional measurement of distant objects. The configuration of the proposed
measurement is very simple, consisting of only a single CCD camera and two laser projectors formed in
parallel. Because of the disposition of the laser projectors and the CCD camera, two laser-projected spots will
appear on the same scan line of CCD images. Based on an established relationship between pixel counts and
photographing distance, 3-D measurement and area information of distant objects can be obtained by using
only one scan line in the image frame.