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3-d virtual endoscopy rendering

An endoscope, three-dimensional virtual technology, applied in the field of 3-D virtual endoscope presentation, can solve the problems of visual inspection, difficult shape and so on

Pending Publication Date: 2021-08-20
KONINKLJIJKE PHILIPS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are several types of polyps (e.g. flat and / or serrated polyps) that are difficult to detect visually by shape in 3-D VE due to their inconspicuousness on the colon wall

Method used

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Examples

Experimental program
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Embodiment Construction

[0016] A method of presenting 3-D VE presence based on non-spectrum volume imaging data is described below. The profile imaging data is used to visually encodes the inner wall of the tubular structure and the structure / material thereon based on the spectral characteristics of the wall and structure / material. 3-D Ve is a 2-D image that provides 3-D impression similar to the real endoscope view. Examples of the tubular structure / Ve process include colon / Vc, bronchial / virtual bronchoscopy (VB), and the like. For 3-D VCs, in one case, structures such as flat and / or zigzag polyps are difficult to pass the shape to visually detect by the shape of the colon, based on their spectral characteristics, in the displayed 2- The D image is encoded by the video and is different from the colon wall, which may allow for the spectacular characteristics to visually distinguish the polyps to wall tissue, feces and the like.

[0017] figure 1 The illustrated system 100 is shown in accorda...

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PUM

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Abstract

A three-dimensional virtual endoscopy rendering of a lumen of a tubular structure is based on both non-spectral and spectral volumetric imaging data. The three-dimensional virtual endoscopy rendering includes a 2-D image of a lumen of the tubular structure from a viewpoint of a virtual camera of a virtual endoscope passing through the lumen. In one instance, the three-dimensional virtual endoscopy rendering is similar to the view which is provided by a physical endoscopic video camera inserted into the actual tubular structure and positioned at that location. The non-spectral volumetric image data is used to determine an opacity and shading of the three-dimensional virtual endoscopy rendering. The spectral volumetric image data is used to visually encode the three-dimensional virtual endoscopy rendering to visually distinguish an inner wall of the tubular structure and structure of interest on the wall.

Description

Technical field [0001] The following general relates to imaging, and more particularly to the 3-D virtual endoscope presentation, and is described with respect to a particular application of computer tomography. Background technique [0002] Polyps in the colon may develop into colon cancer. The literature shows that if such polyps are removed early, cancer can be used very efficiently. Colonoscopy is a process for detecting and evaluating possible polyps for more than specific age. For colonoscopy, the gas is blown into the colon to give the colon to the colon, so that the colon wall is easier to check. Endoscopic, which includes video cameras on a flexible tube, inserted into the colon through anus and passes through the tubular cavity of the colon. When the video camera passes through the lumen, it records the image of the inner wall of the colon. These images can be used to visually check the wall. During the process, suspicious polyps can be biopsy and / or removed. Endoscop...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T19/20
CPCG06T19/20G06T2219/2012G06T2210/41
Inventor R·维姆科M·乔希J·萨巴奇恩斯基T·克林德
Owner KONINKLJIJKE PHILIPS NV