Identification system and method of panoramic looking-around multi-camera calibration rod

Abstract

The invention discloses an identification system and method of a panoramic looking-around multi-camera calibration rod, and belongs to the fields of image measurement and computer vision. According to the identification system and method, a panoramic looking-around multi-camera calibration system based on the calibration rod with six table tennis lampshade LED lamps is established, a multi-camera 3D identification algorithm of the novel calibrating object is provided, eight cameras are adopted for 360-degreee all-direction shooting, calibration image identification respectively under 3 different environments, such as daytime outdoor, indoor light-on and indoor light-off conditions, is realized on Visual C and OpenCV platforms, and a collinear theory and a least square method are adopted for rejecting ineffective points, so that the identification precision and effect are substantially improved, adaptive tracking of a moving object under different environment is realized, and the calibration accuracy, robustness and flexibility of the cameras are effectively improved.

Description

technical field [0001] The invention belongs to the field of image measurement and computer vision, and in particular relates to a system and method for identifying a multi-camera calibration bar with a panoramic view. It is used to determine the relationship between the three-dimensional geometric position of a point on the surface of a space object and its corresponding point in the image, and to establish a geometric model of camera imaging. Background technique [0002] Vision is an important method for human beings to observe and perceive the surrounding environment, and more than 80% of the external world information depends on vision. With the development of information technology and electronic computers, a new discipline - computer vision technology has been formed. The purpose of computer vision is to be able to identify multiple target scene images through electronic computing technology, which can simulate the human brain and eyes to describe, explain and unders...

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a system and method for identifying a panoramic multi-camera calibration stick, aiming at the traditional camera calibration identification process, the dynamic movement process of the calibration stick cannot be fully captured by a single camera, and the recognition The system cannot autonomously and accurately identify the difference between the mark and the background, and noise and errors cannot be completely eliminated. The existing camera calibration method is improved to meet the adaptive tracking of moving targets in different environments and effectively improve the camera performance. Calibration accuracy, robustness and flexibility

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