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A method and device for establishing a matching model in robot space registration

A matching model and spatial registration technology, applied in the field of artificial intelligence, can solve problems such as time-consuming, cumbersome operations, and reduced spatial registration efficiency, and achieve the effect of reducing complexity and false matching rate

Active Publication Date: 2021-01-22
BEIJING BAIHUI WEIKANG SCI & TECH CO LTD
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Problems solved by technology

This solution needs to manually calibrate the specific part twice. If the same part is not accurately calibrated at the same point on the real face and the 3D model during the calibration process, it needs to be re-calibrated. Not only the operation It is cumbersome and consumes a lot of time, which reduces the efficiency of spatial registration

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  • A method and device for establishing a matching model in robot space registration
  • A method and device for establishing a matching model in robot space registration
  • A method and device for establishing a matching model in robot space registration

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Embodiment Construction

[0035] Of course, implementing any technical solution of the embodiments of the present invention does not necessarily need to achieve all the above advantages at the same time.

[0036] In order to make those skilled in the art better understand the technical solutions in the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments of the present invention are only some of the embodiments of the present invention, but not all of the embodiments. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the application of the present invention shall fall within the protection scope of the embodiments of the present invention.

[0037] Aiming at the cumbersome steps, time-consuming, and low efficiency problems in the existing spatial regist...

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Abstract

The embodiment of the invention provides a method for establishing a matching model in robot space registration. The method comprises: according to pixel columns parallel to the sagittal axis direction in all images in a medical image and gray values obtained by sequentially reading pixel points in the pixel columns, obtaining coordinates of a pixel point with the first gray value larger than or equal to an extraction value in each pixel column in a three-dimensional coordinate system of the medical image; and generating a matching model according to the obtained coordinates in the three-dimensional coordinate system of the medical image. According to the method, a specific part does not need to be calibrated before matching, and the matching efficiency is improved under the condition thatthe matching complexity and the mismatching rate are reduced.

Description

technical field [0001] Embodiments of the present invention relate to the field of artificial intelligence, and in particular, to a method and device for establishing a matching model in robot space registration. Background technique [0002] In surgery, it is of great significance to complete the spatial registration of the patient's real space and the image space for surgical navigation, and high-precision robotic spatial registration is the key factor for successful surgery. [0003] At present, there are three main methods for realizing robot spatial registration: mark-based registration, positioning frame-based registration and surface registration. The above three registration methods are described by taking the realization of robot spatial registration in neurosurgery as an example. The registration based on marker points is achieved by fixing multiple marker points on the patient's head. When this method is used to achieve spatial registration, not only the steps of...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/30A61B34/20G06T17/00
CPCA61B34/20G06T17/00G06T2207/10081G06T2207/10088G06T7/30
Inventor 张赛刘达
Owner BEIJING BAIHUI WEIKANG SCI & TECH CO LTD
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