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Optical tracking system and optical tracking method

A technology of optical tracking and tracking marking, which is applied in the field of optical tracking system and optical tracking, can solve problems such as blurred and unclear display, and achieve the effect of improving accuracy and precision

Active Publication Date: 2022-01-04
株式会社高迎科技
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

During this process, due to various factors, a part of the captured image (for example, a border portion) may appear blurred or unclear

Method used

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  • Optical tracking system and optical tracking method
  • Optical tracking system and optical tracking method
  • Optical tracking system and optical tracking method

Examples

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Embodiment Construction

[0056] The embodiments of the present disclosure are examples cited for the purpose of explaining the present disclosure. The examples of the present disclosure can be implemented in various forms, and it should not be construed that the present disclosure is limited to the examples presented below or the specific description of these examples.

[0057] The term “part” used in the present disclosure means hardware constituent elements such as software, FPGA (field-programmable gate array), ASIC (application specific integrated circuit, application specific integrated circuit). However, a "part" is not limited to hardware and software. The "unit" can be configured to reside in an addressable storage medium, or can be configured to reproduce one or more processors. Thus, as an example, a "part" includes components such as software components, object-oriented software components, class components, and task components, processors, functions, attributes, procedures, subroutines, s...

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Abstract

An optical tracking system for tracking the position and orientation of a marker is provided. The optical tracking system includes: an imaging device including a first imaging section that images at least a portion of the mark to generate a light field image and a second imaging section that images outgoing light released from the opening; and a processor configured with the first determining the pose of the marker based on an image, determining the position of the marker based on a second image and a third image, wherein the first image is extracted from a light field image as an image imaged at an infinite focal length and determined by An image imaged on a part of the pattern surface, the second image is an image extracted from a light field image as an image imaged at a focal length shorter than an infinite focal length, and the third image is an The directions of the outgoing light are different, and the outgoing light released through the opening forms an image by means of the second imaging unit.

Description

technical field [0001] The present disclosure relates to an optical tracking system and an optical tracking method. [0002] This disclosure is derived from research conducted as part of the technical development support of the WC 300 project of the Small and Medium Enterprise Agency [Job Specific Number: S2482672, Research Object Name: Development of Surgical Navigation Fusion Head and Neck Surgical Robot System with Matching Accuracy Below 1 mm]. Background technique [0003] As a method for tracking the object body, an optical tracking system can be used. Recently, in order to perform precise surgery while minimizing the risk of surgical errors, tracking the position (location or coordinate) and posture (position or orientation) of surgical robots or surgical tools and applying the tracking results to surgical procedures has been used. method. The position of the object body can be defined, for example, by spatial coordinates such as coordinates on the X, Y, Z axes of a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B34/30A61B34/20
CPCG06T2207/30204G06T7/74A61B34/20A61B90/39A61B2034/2055A61B2034/2065A61B34/30A61B5/064A61B6/032
Inventor 洪德和
Owner 株式会社高迎科技
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