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Medical image processing apparatus and medical image processing method

An image processing device and image processing technology, applied in the directions of image data processing, image data processing, image analysis, etc., can solve the problems of increased burden and reduced detection accuracy of lesion sites such as polyps

Active Publication Date: 2010-09-29
OLYMPUS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the method for detecting lesion sites such as polyps proposed in US Patent Application No. 20030223627, for example, when applied to a three-dimensional model estimated from a two-dimensional image obtained by observation using an endoscope having a portion causing occlusion, lesion sites such as polyps The detection accuracy is reduced
As a result, when a subject is observed using an endoscope system that adopts the method proposed in US Patent Application No. 20030223627, the burden on the user to find a lesion such as a polyp increases.

Method used

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  • Medical image processing apparatus and medical image processing method
  • Medical image processing apparatus and medical image processing method
  • Medical image processing apparatus and medical image processing method

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no. 1 Embodiment approach

[0049] Figure 1 to Figure 10 It relates to the first embodiment of the present invention. figure 1 It is a diagram showing an example of an overall configuration of an endoscope system using the medical image processing apparatus according to the present embodiment. figure 2 yes means figure 1 A schematic diagram of a state in which an endoscope is inserted into a tubular organ is shown. image 3 is expressed in figure 2 Schematic diagrams of images of tubular organs and living tissues captured by an endoscope in the states shown. Figure 4 When it represents the edge part in the two-dimensional image in which the image of the living tissue is extracted in the first embodiment, figure 1 A flow chart of processing steps performed by the medical image processing apparatus shown. Figure 5 When it represents the surface part in the two-dimensional image of the extracted image of the living tissue in the first embodiment, figure 1 A flow chart of processing steps performe...

no. 2 Embodiment approach

[0096] Figure 11 and Figure 12 It relates to the second embodiment of the present invention. In addition, the detailed description of the part which has the same structure as 1st Embodiment is abbreviate|omitted. In addition, the same reference numerals are used for the same constituent elements as those of the first embodiment, and description thereof will be omitted. Furthermore, the configuration of the endoscope system 1 used in this embodiment is the same as that of the first embodiment.

[0097] Figure 11 In the case of detecting a raised shape in a three-dimensional model of a living tissue in the second embodiment, figure 1 A diagram showing an example of an overview of processing performed by the medical image processing apparatus shown. Figure 12 In the case of detecting a raised shape in a three-dimensional model of a living tissue in the second embodiment, figure 1 The outline of the processing performed by the medical image processing device shown and ...

no. 3 Embodiment approach

[0106] Figure 13 , Figure 14 and Figure 15 It relates to the third embodiment of the present invention. In addition, the detailed description of the part which has the same structure as 1st Embodiment is abbreviate|omitted. In addition, the same reference numerals are used for the same constituent elements as those of the first embodiment, and description thereof will be omitted. Furthermore, the configuration of the endoscope system 1 used in this embodiment is the same as that of the first embodiment.

[0107] Figure 13 is to pass figure 1 The three-dimensional model of the living tissue estimated by the medical image processing device and Figure 7 and Figure 8 Diagram of different examples. Figure 14 In the case of detecting the raised shape in the three-dimensional model of the living tissue in the third embodiment, figure 1 A flow chart of processing steps performed by the medical image processing apparatus shown. Figure 15 is expressed in Figure 13 A ...

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Abstract

A medical image processing device has a section for estimating a three-dimensional model of a living body tissue in a body cavity based on an inputted two-dimensional image of the living body tissue, a shape characteristic amount calculation section for calculating the shape characteristic amount of each voxel that the three-dimensional model of the living body has, a three-dimensional shape extraction section for extracting, out of the voxels that the three-dimensional model of the living body tissue has, a first voxel group for which the three-dimensional model is estimated as a predetermined shape, and a bulge shape detection section for detecting the first voxel group as a voxel group forming the bulge shape in the three-dimensional model of the living body tissue.

Description

technical field [0001] The present invention relates to a medical image processing device and a medical image processing method, and more particularly to a medical image processing device and a medical image processing method capable of detecting a raised shape in a three-dimensional model of living tissue in a body cavity. Background technique [0002] An endoscope system configured by including an endoscope, a medical image processing device, and the like is widely used in the medical field and the like. Specifically, an endoscope system includes, for example, an endoscope; and a medical image processing device that performs processing of displaying an image of the inside of a body cavity on a monitor, which is a display unit, based on an imaging signal. The speculum has: an insertion portion inserted into a body cavity of a living body; an objective optical system disposed at the distal end of the insertion portion; and an imaging portion that captures an image of the bod...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B1/04G06T1/00
CPCG06T7/0012G06T2207/30028A61B1/04
Inventor 井上凉子田中秀树西村博一中村健次沢美穗
Owner OLYMPUS CORP
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