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Portable scanning system and using method thereof

A scanning system and portable technology, applied in the field of three-dimensional measurement, can solve the problems of long operation time, lack of portability, and bulky equipment, and achieve the effect of reducing interference and streamlining equipment

Inactive Publication Date: 2020-10-16
易思维(杭州)科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such a layout makes the equipment bulky and does not realize the true sense of portability.
In addition, before testing existing equipment, it is necessary to calibrate the measurement space of the global positioning device or arrange and calculate the global control field, which takes a long time to operate and affects the test efficiency

Method used

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  • Portable scanning system and using method thereof
  • Portable scanning system and using method thereof
  • Portable scanning system and using method thereof

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Embodiment Construction

[0035] The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0036] A portable scanning system, including a scanner 3 and a positioning board 1, the scanner 3 includes a detection camera 4 for detecting an object to be measured 5 and a global camera 2 for locating the position of the scanner; the position of the positioning board 1 in a state of use , the structure is fixed, and multiple feature points are set on the surface; specifically, the positioning plate is a flat plate, an arc plate, or a curved plate; furthermore, the positioning plate is connected by a mechanical structure and can be folded. The feature points are reflective marker points;

[0037] The detection camera 4 and the global camera 2 are arranged in the same housing, and the relative positions are fixed, and the fields of view of the detection camera 4 and the global camera 2 do not overlap when collecting images;...

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Abstract

The invention provides a portable scanning system and a using method thereof. The system comprises a scanner and a positioning plate, the scanner comprises a detection camera used for detecting a to-be-detected object and a global camera used for positioning the scanner; the positioning plate is fixed in terms of position and structure in a use state, and a plurality of feature points are arrangedon the surface of the positioning plate; the detection camera and the global camera are arranged in a same shell, the relative positions are fixed, and the view fields of the detection camera and theglobal camera are not overlapped during image acquisition; in a working state, the positioning plate is fixedly arranged in a view field of the global camera, and no occupation of measurement space is ensured; at least 90% of positioning plate images acquired by the global camera are overlapped at two adjacent image acquisition positions due to a small shooting time interval and a small rotationangle. When the system is used, positioning is carried out while a to-be-detected object is detected, the product size can be reduced to 20*20cm<3> or even smaller on the premise that the existing detection precision is kept, and portability is achieved in the true sense.

Description

technical field [0001] The invention relates to the field of three-dimensional measurement, in particular to a portable scanning system and a method for using the same. Background technique [0002] Visual scanning technology can perform non-destructive testing on three-dimensional shapes, and is favored by fields such as industrial measurement and cultural relics protection. With the complexity of application scenarios, the requirements for portable scanning devices are getting higher and higher. Traditional portable scanning equipment separates the scanning head and the positioning device. The scanning head is responsible for scanning the point cloud, and the positioning device is responsible for taking pictures of the scanning head and locating the pose of the scanning head in the global positioning device. Such a layout makes the device bulky and does not achieve true portability. In addition, before testing existing equipment, it is necessary to calibrate the measurem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/24G01B11/00
CPCG01B11/002G01B11/2433
Inventor 尹仕斌郭寅张楠楠邹剑
Owner 易思维(杭州)科技有限公司
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