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High-speed acquisition and measurement equipment for 3D information of target object

A technology for information collection and measurement equipment, applied in measurement devices, optical devices, instruments, etc., can solve problems such as affecting the speed and effect of collection and synthesis, difficult to accurately determine the size of the target, and difficult to accurately determine the angle, etc., to improve the synthesis speed. and synthesis accuracy, strong applicability, and the effect of reducing rotation burden

Active Publication Date: 2020-04-10
天目爱视(北京)科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in practical applications, it is found that unless there is an accurate angle measurement device, the user is not sensitive to the angle, and it is difficult to determine the angle accurately; the size of the target object is difficult to accurately determine, especially in some applications where the target object needs to be replaced frequently. A lot of extra work is required, and professional equipment is required to accurately measure irregular targets
Measurement errors lead to camera position setting errors, which will affect the speed and effect of acquisition and synthesis; the accuracy and speed need to be further improved

Method used

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  • High-speed acquisition and measurement equipment for 3D information of target object
  • High-speed acquisition and measurement equipment for 3D information of target object
  • High-speed acquisition and measurement equipment for 3D information of target object

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Embodiment Construction

[0039] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0040] 3D information collection device structure

[0041] In order to solve the above technical problems, an embodiment of the present invention provides a 3D information acquisition device, including an image acquisition device 1 , a rotating device 2 and a background plate 3 .

[0042] The image acquisition device 1 is used to acquire images of a target object, which may be a fixed-focus camera or a zoom camera. In particular...

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Abstract

The invention provides high-speed acquisition and measurement equipment for 3D information of a target object. The high-speed acquisition and measurement equipment comprises an image acquisition device, a rotating device and a background plate, wherein the rotating device is used for driving the image acquisition device to rotate and driving the background plate to rotate; the background plate andthe image acquisition device are kept oppositely arranged in the rotating process, so that the background plate becomes a background pattern of an image acquired by means of the image acquisition device during acquisition; and the background plate is required to meet preset conditions. The high-speed acquisition and measurement equipment proposes a mode that the background plate rotates along with a camera to be added for the first time to improve the synthesis speed and the synthesis precision at the same time. By optimizing the size of the background plate, the synthesis speed and the synthesis precision can be improved at the same time while the rotation burden is reduced.

Description

technical field [0001] The invention relates to the technical field of shape measurement, in particular to the technical field of 3D shape measurement. Background technique [0002] When performing 3D measurement, 3D information needs to be collected first. The currently commonly used methods include using machine vision to collect pictures of objects from different angles, and matching and splicing these pictures to form a 3D model. When collecting pictures from different angles, multiple cameras can be set at different angles of the object to be tested, and pictures can also be collected from different angles by rotating a single or multiple cameras. But no matter which of these two methods, it involves the problems of synthesis speed and synthesis accuracy. To some extent, the synthesis speed and synthesis accuracy are a pair of contradictions. The increase of the synthesis speed will lead to the decrease of the final 3D synthesis accuracy; to improve the 3D synthesis a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/00G01B11/24
CPCG01B11/00G01B11/24
Inventor 左忠斌左达宇
Owner 天目爱视(北京)科技有限公司
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