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A method to calculate the vertical relative displacement of the breast in the python environment

A relative displacement and breast technology, applied in computer-aided medical procedures, medical informatics, medical automated diagnosis, etc., can solve problems such as increasing experimental content and increasing data processing volume, so as to improve data processing efficiency, improve data accuracy, The effect of ensuring data accuracy

Active Publication Date: 2022-02-11
SHANGHAI UNIV OF ENG SCI
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Problems solved by technology

This not only increases the experimental content, but also increases the amount of data processing

Method used

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  • A method to calculate the vertical relative displacement of the breast in the python environment

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Experimental program
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Embodiment

[0028] A kind of method that the present invention provides calculates the vertical relative displacement of breast in Python environment, comprises the steps:

[0029] S1. Data read-in: obtain the raw data of the experimental subject in a certain motion state through the three-dimensional motion capture system, and read the data into Python; the raw data contains at least the coordinates of two types of points, and the coordinates of one type of points Represents the human torso in motion, and the coordinates of another type of point represent the breast in motion:

[0030] Described three-dimensional motion capture system adopts prior art and gets final product, for example, equipment such as NDI, Quallysis and Vicon; In the present embodiment, obtain raw data by two OPTOTRAK 3020 position sensors (200Hz; Northern Digital, Ontario, Canada), The frequency is 100Hz, that is, the data interval of each frame is 0.02s, and a total of 6000 frames of data are obtained; the exercise...

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Abstract

The invention discloses a method for calculating the vertical relative displacement of the breast in the Python environment, comprising the following steps: S1, data reading; S2, calculating the vertical relative coordinates of the breast; S3, calculating the maximum value point of the human trunk movement, and obtaining Gait cycle; S4, breast vertical relative coordinate slice; S5, calculate the breast vertical relative displacement in a single cycle; S6, remove the abnormal data of the breast vertical relative displacement value; S7, recalculate after step S6 removes the abnormal value The average value of all the remaining vertical relative displacement values ​​of the breast, and the recalculated average value is the vertical relative displacement of the breast. On the basis of ensuring the accuracy of the calculation of the vertical relative displacement of the breast, the method of the invention can rapidly process data in batches, and improves the data processing efficiency on the basis of ensuring the accuracy of the data.

Description

technical field [0001] The invention relates to a method for calculating the vertical relative displacement of breasts in a Python environment, and belongs to the technical field of breast health exercise biomechanics. Background technique [0002] Breast discomfort or even pain caused by exercise is an obstacle for women to participate in physical activity. Excessive displacement of the breasts relative to the torso during exercise can cause breast discomfort and, in severe cases, pain, which affects 70% of women. The repeated overstretching of Cooper's ligament by severe relative breast displacement is the main cause of breast discomfort and even pain. The relative vertical displacement of the breast is the largest, easiest to calculate, and most common indicator of breast displacement. [0003] At present, the research in the field of breast health exercise biomechanics mainly uses the following three softwares for the calculation of the vertical relative displacement o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G16H50/20
CPCG16H50/20
Inventor 陈晓娜孙光武李艳梅谢红
Owner SHANGHAI UNIV OF ENG SCI
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