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Large-view-field two-dimensional real-time positioning system and method based on visual moving target

A moving target, real-time positioning technology, applied in image data processing, instruments, image feedback and other directions, can solve problems such as low accuracy, and achieve the effect of high accuracy, low resolution accuracy, and large field of view

Pending Publication Date: 2021-07-13
东方电气集团科学技术研究院有限公司
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Problems solved by technology

However, in the process of using traditional machine vision, there is always the problem of low precision

Method used

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  • Large-view-field two-dimensional real-time positioning system and method based on visual moving target
  • Large-view-field two-dimensional real-time positioning system and method based on visual moving target
  • Large-view-field two-dimensional real-time positioning system and method based on visual moving target

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Embodiment Construction

[0041] Such as figure 1As shown, a large field of view two-dimensional real-time positioning system based on visual moving targets, including a tool shelf, an image acquisition system and a target, the image acquisition system is installed on the upper part of the tool shelf, and the target is placed on the plane at the lower end of the tool shelf Inside, the plane is a plane within the acquisition range of the image acquisition system.

[0042] Tool shelf, a shelf for different tool placement, and to limit the range of motion of the robot on a plane.

[0043] The image acquisition system includes industrial camera 1#, industrial camera 2# and three groups of light sources. The two industrial cameras and light sources are installed in a straight line on the top of the shelf at intervals. The plane has enough common field of view so that there is a certain position of the calibration plate (the position is defined as the common field of view area) so that both industrial camer...

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Abstract

The invention discloses a large-view-field two-dimensional real-time positioning system and method based on a visual moving target. The system comprises a tool shelf, an image acquisition system and a target, wherein the image acquisition system is installed at the upper part of the tool shelf, and the target is placed on a mobile robot at the lower end of the tool shelf; the mobile robot is located in a plane of an acquisition range of the image acquisition system; the tool shelf is used for placing different tools and limiting the moving range of the mobile robot in a plane; the image acquisition system at least comprises two industrial cameras for acquiring target images; the target is a checkerboard calibration plate placed on the mobile robot, and the checkerboard calibration plate is provided with a graph convenient to collect, mark and identify; the moving range of the mobile robot is the acquisition range of the image acquisition system, namely, the field of view which can be collected by the industrial camera. On the basis of a machine vision technology, planar two-dimensional positioning of the target can be easily realized.

Description

technical field [0001] The invention relates to the field of machine vision positioning, belongs to the large target plane two-dimensional positioning technology, in particular to a large field of view two-dimensional real-time positioning system and method based on visual moving targets. Background technique [0002] In today's industrial production, it involves the application of machine vision in two-dimensional measurement or two-dimensional positioning. Among them, most of the two-dimensional measurement is for small targets, with high-precision requirements; positioning is more for large targets, with low-precision requirements. [0003] Due to the high accuracy and high degree of automation of machine vision, two-dimensional measurement or two-dimensional positioning needs to be realized based on machine vision in most cases. Among them, the plane two-dimensional positioning of the target plays an important role in intelligent manufacturing, including industrial AGV ...

Claims

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Application Information

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IPC IPC(8): G06T7/73G06T7/80G06T1/00
CPCG06T7/73G06T7/80G06T1/0014G06T2207/10004
Inventor 周东吴文亮殷庆文李晋航李勇张寒
Owner 东方电气集团科学技术研究院有限公司
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