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Image analysis device, image analysis method, and image analysis program

An image analysis, image technology, applied in image analysis, image enhancement, image data processing and other directions, can solve the problem of determining the section, difficult to select the measurement section, etc., to prevent mismeasurement

Pending Publication Date: 2022-06-21
HITACHI HEALTHCARE MFG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is difficult to select an appropriate measurement section (slice position), and it is difficult to determine an appropriate section that can measure the corpus callosum angle through only one coronal section (COR section) even when the doctor performs the measurement
Also regarding other indicators, it is difficult to determine an appropriate cross-section for different subjects such as age and symptoms

Method used

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  • Image analysis device, image analysis method, and image analysis program
  • Image analysis device, image analysis method, and image analysis program
  • Image analysis device, image analysis method, and image analysis program

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Embodiment approach 2

[0047] Next, an embodiment in which the image is a brain image and the calculated indices are the Evans index and the corpus callosum angle will be described.

[0048] Device configuration and outline of processing ( image 3 ) is the same as that of the first embodiment, so the following mainly describes the details of the functions and operations of the respective units of the image processing unit 20 .

[0049] Figure 4 (A), (B) are graphs representing the axial and coronal planes of brain images, with Evans indices such as Figure 4 As shown in (A) of , the fact that the ratio (W401 / W402) of the width W401 of the anterior horn of the lateral ventricle to the width W402 of the cranial cavity exceeds 0.3 is an indicator for the diagnosis of iNPH. In addition, regarding the corpus callosum angle, the corpus callosum angle in the MRI coronal section (section perpendicular to the straight line connecting the anterior commissure and the posterior commissure) passing through t...

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Abstract

The invention relates to an image analysis device, an image analysis method, and an image analysis program. Provided are an image analysis device and method capable of automatically measuring tissue with high accuracy even in images having different types and imaging conditions. In the present invention, normalization and region segmentation of an image including contrast are performed, a measurement cross-section most coincident with a measurement cross-section determined to be suitable for an index given by measurement is determined on the basis of the characteristics of the tissue of interest in the segmented region, and a measurement value serving as the index is calculated on the measurement cross-section.

Description

technical field [0001] The present invention relates to an image analysis device for presenting diagnostic indicators such as diseases based on images acquired by a medical imaging device, and particularly relates to a technique for presenting an important brain abnormality as an indicator in the determination of dementia. Background technique [0002] Medical imaging apparatuses such as X-ray imaging apparatuses, CT apparatuses, ultrasonic imaging apparatuses, and MRI apparatuses are widely used as effective means for diagnosing various diseases. As for diagnosis, a doctor makes a diagnosis by confirming an image of an inspection object acquired from these medical imaging apparatuses. However, in some cases, a change in the shape of the tissue reflected in the image is further measured, and the measured value is used as an index to make a diagnosis. Therefore, a technique has also been developed in which a medical imaging apparatus or an image processing apparatus that rece...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B6/03A61B6/00A61B5/055A61B5/00A61B8/08G06T7/00G06T7/11
CPCA61B6/032A61B6/501A61B6/5211A61B5/055A61B5/0042A61B5/4088A61B8/0808A61B8/5215G06T7/0012G06T7/11A61B2576/00G06T2207/10088G06T2207/30016G06T2207/10081G06T2207/10104G06T2207/20021
Inventor 白猪亨佐藤良太雨宫知树尾藤良孝
Owner HITACHI HEALTHCARE MFG LTD