Binocular robot vision system with autonomous movement of viewpoint

Yoshito Yabuta; Hiroshi Mizumoto; Shiro Arii

doi:10.1117/12.526598

16 April 2004 Binocular robot vision system with autonomous movement of viewpoint

Yoshito Yabuta, Hiroshi Mizumoto, Shiro Arii

Proceedings Volume 5302, Three-Dimensional Image Capture and Applications VI; (2004) https://doi.org/10.1117/12.526598
Event: Electronic Imaging 2004, 2004, San Jose, California, United States

Abstract

A binocular robot vision system having an autonomously moving active viewpoint is proposed. By using this active viewpoint, the system constructs a correspondence between the images of a feature points on the right and left retinas easily and calculates the spatial coordinates of the feature points. The system incorporates two intelligent functions for enlarging the measuring region and increasing the accuracy of measurement. The first intelligent function is an autonomous movement of the viewpoint and the second is weighting process for measured points. These functions work when the system can recognize the solid body. As the first steps of the development of the recognition of a solid body, we incorporate these functions into the system to detect straight lines in an image. To detect lines we use Hough transform. The system searches a region surrounded by 4 straight lines. Then the system recognizes the region as a quadrangle. The system constructs a correspondence between the quadrangles in the right and left images. By the use of the result of the constructed correspondence, the system calculates the spatial coordinates of an object. An experiment shows the effect of the line detection using Hough transform, the recognition of the surface of the object and the calculation of the spatial coordinates of the object.

Citation Download Citation

Yoshito Yabuta, Hiroshi Mizumoto, and Shiro Arii "Binocular robot vision system with autonomous movement of viewpoint", Proc. SPIE 5302, Three-Dimensional Image Capture and Applications VI, (16 April 2004); https://doi.org/10.1117/12.526598

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KEYWORDS

Cameras

Robot vision

Robotic systems

Hough transforms

Retina

Imaging systems

Image processing

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