Stereo vision with laser diode distance measurement


Manaf A. Mahammed

Department of Physics, College of Science, University of Duhok, Duhok, Kurdistan Region of Iraq, Iraq

DOI: https://doi.org/10.17656/jzs.10573

Abstract

An efficient technique is used to measure the distance of a target from the camera. A laser diode emitter is used to illuminate the desired portion of the target with bright laser spot and a 3D web camera is used to image the target. Image processing together with stereo vsion basic equations were used to calculate the distance from the measuring of disparity between the two images of the bright laser spot on the target. The results were compared with tests made using digital laser range finder and showed good agreement. The percentage error ranged from 0.025 % to 1.757 %.

Key Words: Laser emitter; stereo; 3D; webcam; distance; disparity



Refrences

[1] Jung H. G., Lee Y. H., Km B. J., Yoon P. J. and Kim, J. H. "Stereo vision-based forward obstacle detection". International Journal of Automotive Technology, Vol. 8, No. 4, pp 493−504. (2007).

[2] Manaf A. M., Amera I. M., Faris A. K. "Object Distance Measurement by Stereo VIision". International Journal of Science and Applied Information Technology, Vol. 2, No.2, pp 5-8, (2013). Special Issue of ICCTE 2013 - Held during 11-12 March, 2013 in Hotel Crowne Plaza, Dubai.

[3] Shojaeipour S. , Haris A. M., Shojaeipour A., KeshvariShirvan R., Zakaria M. K., "Robot Path Obstacle Locator using Webcam and Laser Emitter". Physics Procedia, Vol. 5, pp 187–192. (2010)

[4] Christian E. Portugal-Zambrano, Jesús P. Mena-Chalco , "Robust Range Finder Through a Laser", Proceedings of the 2011 Latin American Conference in Informatics (CLEI), Electronic Notes in Theoretical Computer Science, Vol. 281, pp 143–157. (2011).

[5] Hamad, A. A. , Dhahir, D. A., Mhdi, B. R., and Salim, W. H., "Laser Distance Measurement by using web camera". IOSR Journal of Engineering (IOSRJEN), Vol. 04, Issue 04, pp 25-28. (2014).

[6] Muljowidodo K, Sapto Adi N, Said D Jennie & Agus Budiyono. "Design, Development and Testing Underwater Vehicle: ITB Experience". In Proceeding of International Conference On Underwater System Technology: Theory and Applications, Penang Malaysia. (2006).

[7] Hsu T S., and Wang T., C., "An Improvement Stereo Vision Images Processing for Object Distance Measurement". International Journal of Automation and Smart Technology, Vol. 5, No. 2, pp 85-90. (2015).

[8] Ivanov Y., Bobick A., and Liu J.,"Fast Lighting Independent Background Subtraction". ijcv00-Ivanov.tex; 16/11/2000; 11:36; pp 1-14. (2000).

[9] Shahed Shojaeipour, Behrang Parhizkar, Amirhossein Hosseinmemar, Ali Shojaeipour, Hamed Esfandiari, Esmaeil Mobasheri, Zahra Mohana Binti Gebril, "Laser-Pointer Rangefinder between Mobile Robot and Obstacles via Webcam Based". Key Engineering Materials Vols. 447-448, pp 609-613. (2010).

[10] Portugal-Zambrano, C. E. and Mena-Chalco, J. P., "Robust Range Finder Through a Laser Pointer and a Webcam". Electronic Notes in Theoretical Computer Science, Vol. 281, pp 143–157. (2011).