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Pelvis registration method and device, computer readable storage medium and processor

A pelvis and registration technology, applied in computing, image data processing, instruments, etc., can solve problems such as large pelvic registration errors

Active Publication Date: 2022-04-12
北京壹点灵动科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The main purpose of this application is to provide a method, device, computer-readable storage medium and processor for pelvic registration, so as to solve the problem of large errors in pelvic registration in the prior art

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  • Pelvis registration method and device, computer readable storage medium and processor

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Embodiment Construction

[0022] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and embodiments.

[0023] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is an embodiment of a part of the application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0024] It should be noted that the terms "first" and "second...

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Abstract

The invention provides a pelvis registration method and device, a computer readable storage medium and a processor, and the method comprises the steps: carrying out the registration of a three-dimensional model of a pelvis and an actual pelvis according to M first mark points, and obtaining a primary registration model and a primary registration matrix; performing registration on the primary registration model and the actual pelvis according to N second mark points to obtain a secondary registration model and a secondary registration matrix; deleting the second mark points of which the first registration errors are greater than an error threshold value, and determining the remaining second mark points as third mark points; registering the primary registration model and the actual pelvis according to a plurality of third mark points to obtain a tertiary registration model and a tertiary registration matrix; determining a smaller corresponding registration matrix in the average value of the first registration errors and the average value of the second registration errors as an optimized registration matrix; and determining a registration model corresponding to the optimized registration matrix as an optimized registration model. According to the method, the problem of large errors of pelvis registration in the prior art is solved.

Description

technical field [0001] The present application relates to the technical field of pelvic registration, in particular, to a method, device, computer-readable storage medium and processor for pelvic registration. Background technique [0002] Medical Surgical Robotic Vision Navigation is often used in applications requiring a high degree of accuracy and precision, in orthopedic joint replacement surgery and other robot-assisted or fully autonomous surgical procedures, especially in hip replacement surgery, pelvic registration registration, It is one of the most important links that affect the accuracy of surgery. The actual bones of the patient during the operation are registered with the corresponding virtual or computer bone models, so that the actual physical bone poses, including the positions and rotational orientations of the bones, are associated with the virtual bone models. In this way, according to the preoperative planning on the virtual bone model, the intraoperati...

Claims

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Application Information

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IPC IPC(8): G06T7/00G06T7/33
CPCG06T7/33G06T2207/10028G06T2207/20016
Inventor 李超
Owner 北京壹点灵动科技有限公司
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