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Method for positioning treatment target of transcranial magnetic therapeutic apparatus based on Optitrack

A technology of therapeutic targets and therapeutic instruments, applied in the field of target positioning of therapeutic instruments based on Optitrack, can solve the problems of difficult positioning, inability to install sensors or markers, etc., and achieve the effect of high-precision real-time positioning

Pending Publication Date: 2022-05-10
XIDIAN UNIV
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AI Technical Summary

Problems solved by technology

When locating the target point, it is necessary to install positioning devices such as sensors or markers at the positioning target. The treatment target of the transcranial magnetic therapy instrument is a point on the normal direction of the front of the treatment instrument, which is a virtual point. Sensors or markers cannot be installed, only It can be positioned indirectly, which is difficult to locate

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  • Method for positioning treatment target of transcranial magnetic therapeutic apparatus based on Optitrack
  • Method for positioning treatment target of transcranial magnetic therapeutic apparatus based on Optitrack
  • Method for positioning treatment target of transcranial magnetic therapeutic apparatus based on Optitrack

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Embodiment Construction

[0031] Specific embodiments of the present invention will be described below in conjunction with the accompanying drawings, so that those skilled in the art can better understand the present invention. It should be noted that the following description is only used to explain the present invention, not to limit the present invention.

[0032] Flow chart of the present invention sees figure 1 , including:

[0033] Step 1, Paste the marker ball.

[0034] as attached figure 2 As shown, the infrared marking ball is pasted on the side of the therapeutic instrument, the installation position of the marking ball is asymmetrical, and the number of marking balls installed is more than three. Infrared marker balls refer to marker balls that can reflect infrared light.

[0035] Step 2, create a rigid body.

[0036] In the Optitrack motion capture software Motive, the marker ball on the treatment instrument is established as a rigid body asset, and the three-dimensional non-homogeneo...

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Abstract

The invention discloses a method for positioning a treatment target of a transcranial magnetic therapeutic apparatus based on Optitrack. The OptiTrack is an optical system for realizing high-precision three-dimensional reconstruction of a mark point, main hardware is an intelligent camera equipped with a processor, a high-precision mark point processing algorithm is built in, and three-dimensional information of a single mark point can be used for creating a rigid body and obtaining six-degree-of-freedom data. The method is used for a transcranial magnetic stimulator, an Optitrack camera set continuously locates a marking ball on a treatment instrument, and real-time positioning of the treatment instrument and a treatment target of the treatment instrument is achieved through coordinate system transformation.

Description

technical field [0001] The invention belongs to the field of spatial positioning, and in particular relates to an Optitrack-based target positioning method for a therapeutic instrument. Background technique [0002] OptiTrack is an optical system that realizes high-precision 3D reconstruction of marked points. The main hardware is an intelligent camera equipped with a processor, and a built-in high-precision mark point processing algorithm. The 3D information of a single mark point can be used to create a rigid body and obtain six degrees of freedom data. Existing positioning technologies are mainly divided into wireless positioning and visual positioning. Wireless positioning requires wireless sensors, while visual positioning requires markers. When locating the target point, it is necessary to install positioning devices such as sensors or markers at the positioning target. The treatment target of the transcranial magnetic therapy instrument is a point on the normal direct...

Claims

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Application Information

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IPC IPC(8): A61N2/04
CPCA61N2/02A61N2/006
Inventor 姜光朱家辉陈浩尹奎英杜文韬石静萍
Owner XIDIAN UNIV
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