Line structure light calibration platform, use method and calibration system
A line structured light and platform technology, applied in the field of visual inspection, can solve the problems of long design and production cycle, lack of versatility, and high customization cost, and save a lot of customization time, customization time and cost.
Active Publication Date: 2020-05-26
HANS LASER TECH IND GRP CO LTD +1
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Problems solved by technology
In the prior art, special calibration instruments adapted to the calibration method are obtained through high-precision processing, which is not universal
The calibration device used in the triangulation method and polynomial fitting method based on geometric relationship has the characteristics of strong constraints on system installation and complicated calibration process, which makes it only suitable for laboratory environment, and different equipment and calibration methods are currently known All use custom-made calibration equipment, which has poor versatility, long design and production cycle, and high customization cost
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[0044]Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. The terms "comprising" and "having" and any variations thereof in the specification and claims of the present invention and the above descriptions of the drawings are intended to cover non-exclusive inclusion. The terms "first", "second" and the like in the description and claims of the present invention or the above drawings are used to distinguish different objects, rather than to describe a specific order.
[0045] Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present...
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The embodiment of the invention belongs to the field of visual inspection, and relates to a line structure light calibration platform, a use method and a system. According to the technical scheme, theinvention comprises a bottom plate, a calibration plate, a first measuring tool, a second measuring tool and a connecting piece; the calibration plate is arranged on the bottom plate; the first measuring tool and the second measuring tool are connected to one surface, far away from the calibration plate, of the bottom plate through connecting pieces; the height of the first measuring tool is greater than that of the second measuring tool; an inclination angle is formed between the calibration plate and the horizontal plane; measuring instrument employing standardization, simple combination, the invention can be flexibly and universally applied to line structure light calibration systems in a plurality of different occasions; the platform does not need to be customized according to equipment, can be suitable for wide occasions through simple combination by utilizing existing widely-applied standardized appliances and designing fewer elements, is high in universality, saves a large amount of customization time, can be repeatedly used for multiple times, and greatly saves the cost.
Description
technical field [0001] This application relates to the field of visual inspection, and more specifically, to a line-structured cursor calibration platform, a method of use, and a system. Background technique [0002] At present, there is no universal and authoritative method and device for line structure cursor calibration. The existing calibration methods are mainly divided into three categories according to the realization principle: [0003] 1. Calibration device for photogrammetry based on matrix transformation: the projector is regarded as an inverse camera or a pseudo camera, and the projector calibration is converted into a mature camera calibration by establishing the corresponding relationship between the projector and the camera pattern, so that the three-dimensional structured light Calibration converted to a classic binocular vision system. This method is based on the model of small hole imaging, which will lead to large errors; [0004] 2. Triangulation method...
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IPC IPC(8): G01B11/00
CPCG01B11/00
Inventor 王瑾曹锋王维语覃海云吕文阁朱禄游佳明杨建东高云峰
Owner HANS LASER TECH IND GRP CO LTD