Triangulation based laser range finder with CMOS image sensor in automotive field

Jih Huah Wu; Rong Sen Chang; Sheng Pin Su

doi:10.1117/12.593719

Triangulation based laser range finder with CMOS image sensor in automotive field

Jih Huah Wu, Rong Sen Chang, Sheng Pin Su

Department of Optics and Photonics

Research output: Contribution to journal › Conference article › peer-review

1 Scopus citations

Abstract

A prototype of range finder using a CMOS image sensor and a pulsed laser is developed for the automotive field. The system presented here is based on optical triangulation. The gravity of the infrared laser spot on CMOS image sensor is converted into pixel coordinates proportional to the distance to be measured. Based on the experimental tests of the system, it was found that the distance could be estimated with accuracy better than 2% within the range of 5 to 45 meters.

Original language	English
Article number	16
Pages (from-to)	86-93
Number of pages	8
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	5663
DOIs	https://doi.org/10.1117/12.593719
State	Published - 2005
Event	Photonics in the Automobile - Geneva, Switzerland Duration: 29 Nov 2004 → 1 Dec 2004

Keywords

CMOS image sensor
Laser range finder
Triangulation

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10.1117/12.593719

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AB - A prototype of range finder using a CMOS image sensor and a pulsed laser is developed for the automotive field. The system presented here is based on optical triangulation. The gravity of the infrared laser spot on CMOS image sensor is converted into pixel coordinates proportional to the distance to be measured. Based on the experimental tests of the system, it was found that the distance could be estimated with accuracy better than 2% within the range of 5 to 45 meters.

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Triangulation based laser range finder with CMOS image sensor in automotive field

Abstract

Keywords

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