Real-time matching method used for distance measurement in binocular stereo vision

Hong Jiang; Bo Yuan; Liqiang Wang; Zibo Meng

doi:10.1117/12.999762

30 November 2012 Real-time matching method used for distance measurement in binocular stereo vision

Hong Jiang, Bo Yuan, Liqiang Wang, Zibo Meng

Proceedings Volume 8558, Optoelectronic Imaging and Multimedia Technology II; 855812 (2012) https://doi.org/10.1117/12.999762
Event: Photonics Asia, 2012, Beijing, China

Abstract

A real-time matching method, which is used to locate an object in the binocular stereo vision system and measure the distance from the object to camera, was proposed in this paper. The 3D image is composited of one left-image and one right-image captured by the binocular cameras and is displayed in a 3D liquid crystal TV. The target is chosen by user-controlled cursor constrained in the left-image. Then, the matched point in the right-image with the current position of mouse in the left-image is detected by an effective point matching algorithm, and the right-cursor is generated on this matched point. Meanwhile the distance is calculated by the parallax between the pair points. The above algorithm was realized using the own program compiled by C sharp language. The results show that our method can match selected pixel accurately and the real-time distance measurement is realized. Moreover, our method is low-cost with little requirements for hardware.

Citation Download Citation

Hong Jiang, Bo Yuan, Liqiang Wang, and Zibo Meng "Real-time matching method used for distance measurement in binocular stereo vision", Proc. SPIE 8558, Optoelectronic Imaging and Multimedia Technology II, 855812 (30 November 2012); https://doi.org/10.1117/12.999762

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KEYWORDS

Distance measurement

Cameras

3D acquisition

3D image processing

3D displays

Content addressable memory

Endoscopes

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