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Non-contact height automatic measuring system and non-contact height automatic measuring method

A technology of height measurement and automatic measurement, applied in diagnostic recording/measurement, medical science, sensors, etc., to achieve the effect of simple structure

Inactive Publication Date: 2015-06-24
天津市天大百睿精密仪器技术有限公司
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  • Application Information

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Problems solved by technology

Patent CN201020652664.3 An automatic height measurement system solves the problem of traditional height measurement, but when the subject moves back and forth, effective and accurate height measurement cannot be performed

Method used

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  • Non-contact height automatic measuring system and non-contact height automatic measuring method
  • Non-contact height automatic measuring system and non-contact height automatic measuring method
  • Non-contact height automatic measuring system and non-contact height automatic measuring method

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Embodiment Construction

[0026] The specific implementation, structure, features and effects provided by the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0027] The internal parameters of the system are calibrated through the calibration module. A flat plate is placed in front of the camera, and there is a known length h on the flat plate. 标 of markers. Measure the distance d between it and the camera through the ultrasonic ranging module 标 , the ultrasonic distance measuring module itself performs distance measurement every 10ms. After the distance measurement is completed, the distance value is output in the form of a serial port; write a program through matlab to control the switch of the serial port, read 10 sets of data each time, and convert it according to the communication protocol is the distance value, discard the unreasonable data, calculate the average value of the remaining data as the final measurement res...

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Abstract

The invention discloses a non-contact height automatic measuring system. The non-contact height automatic measuring system comprises a camera, a calibration flat plate, a calibration module, an ultrasonic distance measuring module and a height measuring module, wherein the camera is used for acquiring calibration parameter images from the calibration flat plate and shooting an image of a person whose height is about to be measured; the calibration module is used for calibrating parameters through the calibration flat plate and the camera; the ultrasonic distance measuring module is controlled by the height measuring module and is used for judging the distance from the person whose height is about to the measured to a measuring system; and the height measuring module is used for analyzing and calculating data information acquired by the modules so as to obtain final height data. The non-contact height automatic measuring system is simple in structure and is operated full-automatically; and when the position of the person is changed relative to the camera, accurate height measurement data can still be acquired.

Description

technical field [0001] The invention relates to electronic health station equipment, in particular to an electronic health station system with comprehensive advertisement information display function. Background technique [0002] At present, the traditional height measurement method adopts the person to be measured barefoot, stands at attention on the base plate of the height meter, and the heel, sacrum and two shoulder blades are close to the column of the height meter. The measurer can stand on the left or right of the person being measured, adjust his head until the upper edge of the tragus is flush with the lowest point of the lower edge of the eye socket, and then move the horizontal plate of the height gauge to the top of the person being measured to make it tighter. Appropriate, you can measure the height. However, the measurement efficiency is low and the error is large. Patent CN201020652664.3 An automatic height measurement system solves the problem of tradition...

Claims

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Application Information

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IPC IPC(8): A61B5/107
CPCA61B5/1072A61B5/1075A61B5/1079
Inventor 欧阳健飞徐可欣
Owner 天津市天大百睿精密仪器技术有限公司
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