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Image processing apparatus, imaging system, and image processing method

a technology of image processing and imaging system, applied in the field of image processing apparatus, imaging system, image processing method, can solve the problems of difficult to accurately diagnose the state of a lesion site, and affecting the observation of the current region of interes

Inactive Publication Date: 2013-08-01
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention aims to solve the problems of presenting a display for easy search of a target image for a specific region of interest. The technique allows for easy selection of a region of interest, such as multiple lesion sites, for display.

Problems solved by technology

It is difficult to accurately diagnose the state of a lesion site by only observing a medical image captured by an individual modality.
In some cases, an alignment error is generated due to the difference in imaging posture between different medical images, or a position-specifying error is generated for a region of interest such as a lesion site.
However, if a plurality of existence regions are displayed on an ultrasonic tomogram, it is hard for the observer to recognize an existence region where the current region of interest exists.
This may affect efficient diagnosis.

Method used

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  • Image processing apparatus, imaging system, and image processing method
  • Image processing apparatus, imaging system, and image processing method
  • Image processing apparatus, imaging system, and image processing method

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Experimental program
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first embodiment

[0022]When one of a plurality of regions of interest in three-dimensional image data is selected as one region of interest, an ultrasonic imaging system according to the embodiment changes the display mode to non-display of information representing the three-dimensional position of a region of no interest on the current ultrasonic tomogram. Also, the ultrasonic imaging system changes the display mode of a figure representing the existence region of a corresponding region on the ultrasonic tomogram that corresponds to the unselected region of no interest, so that the region of no interest becomes less conspicuous than the region of interest (for example, the color is changed into a light one). This enables the operator to easily search for and identify a corresponding region on the ultrasonic tomogram (as a medical image).

[0023]The region of interest is, for example, a lesion site. The region of interest is, for example, a lesion site to be diagnosed among a plurality of lesion sites...

modification 1 to first embodiment

[0060]The above-described embodiment has exemplified a case in which a lesion site of interest is selected based on an instruction from the operator. Alternatively, a lesion site of interest may be selected in advance and held in the data server 190. In this case, the region-of-interest selection unit 122 in FIG. 1 may be omitted, and the region-of-interest selection processing in step S3050 need not be performed.

modification 2 to first embodiment

[0061]The above-described embodiment has exemplified a case in which the color of a figure representing the existence region of a lesion site of no interest is changed into a light color. However, the display mode change method is not limited to this. For example, the thickness or type of the line of the figure may be changed, or the saturation of the color of the figure may be decreased.

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Abstract

An image processing apparatus comprises a selection unit configured to select at least a first region of interest from regions of interest set in an imaging target, an image obtainment unit configured to obtain a first image representing the imaging target, and a second image from an imaging apparatus that images at least part of the imaging target, an information obtainment unit configured to obtain information of an existence range, and a display control unit configured to add, to the first image, displays representing positions of set regions of interest, and when the second image contains the existence range of the selected region of interest, display the existence range of the selected region of interest on the second image, and when the second image contains the existence range of an unselected region of interest, hide the existence range information.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The present invention relates to a technique of performing navigation display for searching for the position of a lesion using an image obtained by an imaging apparatus such as an ultrasonic imaging apparatus.[0003]2. Description of the Related Art[0004]In the medical field, a doctor displays, on the monitor, a medical image obtained by capturing a target object, interprets the displayed medical image, and diagnoses the lesion site.[0005]Medical image collecting apparatuses (to be referred to as modalities hereinafter) for capturing a medical image include an ultrasonic image diagnostic apparatus, a resonant magnetic coupling imaging apparatus (to be referred to as an MRI apparatus hereinafter), and an X-ray computed tomography apparatus (to be referred to as an X-ray CT apparatus hereinafter). It is difficult to accurately diagnose the state of a lesion site by only observing a medical image captured by an individual m...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G06K9/46
CPCG06K9/46A61B8/085A61B8/14A61B8/465A61B8/469G06T2207/30068G06T2207/10072G06T2207/10136G06T2207/20104G06T2207/20221G06T7/0024G06T7/30G06T7/11A61B6/5235A61B6/5247A61B8/5261A61B6/469A61B8/5246A61B6/466
Inventor ENDO, TAKAAKISATOH, KIYOHIDE
Owner CANON KK