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Wireless synchronous triggering system and method for optical tracking type three-dimensional scanner

A technology of optical tracking and synchronous triggering, applied in stereo systems, optical devices, instruments, etc., can solve problems such as equipment disconnection, wire movement and pulling interference, and easy wear and tear of connecting lines, to achieve the effect of improving the convenience of use.

Active Publication Date: 2020-08-28
ZG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this wired connection method has many inconveniences in actual use. For example, in a factory environment, the site environment is relatively poor (even extremely harsh), and the connecting wire is very prone to wear and tear, and the moving and pulling of the wire is easy to interfere with Interference occurs in the on-site environment, and problems such as equipment disconnection occur, which seriously affect the service life of the equipment

Method used

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  • Wireless synchronous triggering system and method for optical tracking type three-dimensional scanner
  • Wireless synchronous triggering system and method for optical tracking type three-dimensional scanner
  • Wireless synchronous triggering system and method for optical tracking type three-dimensional scanner

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Embodiment

[0037] Such as Figure 4 As shown, the embodiment of the present invention provides an optical tracking 3D scanner wireless synchronization trigger system, the system includes a master wireless synchronization device and a plurality of slave wireless synchronization devices working in the same frequency band, the master wireless synchronization device and all The multiple slave wireless synchronization devices are connected through wireless communication. In the same space, multiple wireless synchronization trigger systems can work simultaneously in different wireless frequency bands.

[0038] The master wireless synchronization device first sends a PWM synchronization signal with a fixed frequency and duty cycle to the slave wireless synchronization device, and the slave wireless synchronization device automatically adjusts its output according to the PWM synchronization signal to ensure that the output of the two is the same synchronization signal . Moreover, the error bet...

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PUM

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Abstract

The invention relates to a wireless synchronous triggering system and method for an optical tracking type three-dimensional scanner. The system comprises a master wireless synchronization device and aplurality of slave wireless synchronization devices which work in the same frequency band, wherein the master wireless synchronization device is in communication connection with the scanner, the plurality of slave wireless synchronization devices are in communication connection with the plurality of trackers in a one-to-one correspondence manner, and the master wireless synchronization device isin communication connection with the plurality of slave wireless synchronization devices in a wireless manner. The master wireless synchronization device outputs a PWM synchronization signal with a fixed frequency and a fixed duty ratio to the scanner and is used for triggering the scanner to work; and the slave wireless synchronization devices synchronously output a PWM synchronization signal which is the same as that of the master wireless synchronization device to the tracker corresponding to the slave wireless synchronization devices, and the slave wireless synchronization devicesareused for triggering the tracker to work. By applying the wireless synchronization device, the problem that the synchronous triggering control of the optical tracking type three-dimensional scanner needs wired connection is solved, and the use convenience of the optical tracking type three-dimensional scanner is greatly improved.

Description

technical field [0001] The invention relates to the fields of industrial photogrammetry, close-range photogrammetry and computer vision, in particular to a wireless synchronous trigger system and method for an optical tracking type three-dimensional scanner. Background technique [0002] The technical basis of the 3D scanner is the computer binocular vision principle, as attached figure 1 shown. An arbitrary point P in space simultaneously images points p1 and p2 in the left and right cameras at the same time, and the optical centers of the left and right cameras are O1 and O2 respectively, then the line connecting O1p1 and O2p2 will intersect at point P in space. The spatial position of the optical centers O1 and O2 of the left and right cameras can be calculated by using the camera calibration method, and then by extracting the image feature points p1 and p2 collected by the left and right cameras, the world coordinate system Ow of the spatial point P in the binocular vis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/24H04N13/239H04N13/296
CPCG01B11/24H04N13/239H04N13/296
Inventor 郑顺义周泽海王晓南成剑华刘庆龙
Owner ZG TECH CO LTD
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