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Medical image processing device, method for operating the same, and endoscope system

一种处理装置、医用图像的技术，应用在内窥镜系统领域，能够解决难以强调萎缩部色差等问题

Active Publication Date: 2016-01-06
FUJIFILM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the color of the atrophied part is affected not only by the blood volume but also by factors other than the blood volume, it is difficult to emphasize the color difference between the atrophied part and the normal part in the method of Japanese Patent No. 3228627

Method used

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  • Medical image processing device, method for operating the same, and endoscope system
  • Medical image processing device, method for operating the same, and endoscope system
  • Medical image processing device, method for operating the same, and endoscope system

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Experimental program
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no. 1 approach

[0070] Such as figure 1 As shown, the endoscope system 10 of the first embodiment includes an endoscope 12 , a light source device 14 , a processor device 16 , a monitor 18 (display unit), and a console 19 . The endoscope 12 is optically connected to a light source device 14 and electrically connected to a processor device 16 . The endoscope 12 has an insertion portion 12a inserted into the subject, an operation portion 12b provided at a base end portion of the insertion portion 12a, and a curved portion 12c and a distal end portion 12d provided on the distal side of the insertion portion 12a. The bending part 12c is bent by operating the angle knob 12e of the operating part 12b. Accompanied by this bending movement, the front end portion 12d faces a desired direction.

[0071] Moreover, the operation part 12b is provided with the mode switch SW13a other than the angle knob 12e. The mode switch SW13a is used for switching operations among four modes of the normal observatio...

no. 2 approach

[0149] In the second embodiment, instead of the LEDs 20 a to 20 d of four colors shown in the first embodiment, a laser light source and a phosphor are used to illuminate an observation object. Other than that, it is the same as the first embodiment.

[0150] Such as Figure 40 As shown, in the endoscope system 100 of the second embodiment, instead of the LEDs 20a to 20d of four colors, a blue laser light source (in the case of Figure 40 marked as "445LD") 104, and a blue-violet laser light source that emits a blue-violet laser with a center wavelength of 405±10nm (in Figure 40 marked as "405LD")106. The light emitted from the semiconductor light emitting elements of these light sources 104 and 106 is separately controlled by the light source control unit 108 so that the light quantity ratio of the blue laser light source 104 and the blue laser light source 106 can be freely changed.

[0151] In the normal observation mode, the light source control unit 108 drives the blu...

no. 3 approach

[0157] In the third embodiment, instead of the four-color LEDs 20 a to 20 d shown in the first embodiment, a broadband light source such as a xenon lamp and a rotary filter are used to illuminate an observation object. In addition, instead of the color imaging sensor 48, a monochrome imaging sensor is used to image the observation object. Other than that, it is the same as the first embodiment.

[0158] Such as Figure 43 As shown, in the endoscope system 200 of the third embodiment, in the light source device 14, a broadband light source 202, a rotary filter 204, and a filter switching unit 205 are provided instead of the LEDs 20a to 20d of four colors. . In addition, instead of the color imaging sensor 48, the imaging optical system 30b is provided with a monochrome imaging sensor 206 not provided with a color filter.

[0159] The broadband light source 202 is a xenon lamp, a white LED, etc., and emits white light with a wavelength range from blue to red. The rotary filt...

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Abstract

The invention provides a medical image processing device, method for operating the same, and endoscope system. The color difference image emphasized the abnormal part such as atrophy part of gastric mucosa and the normal part is formed. First RGB image signals are inputted. Color difference signals Cr and Cb are calculated from the first RGB image signals. In a feature space formed by the color difference signals Cr and Cb, a first process and a second process are performed. In the first process, coordinates which correspond to the first, second, and third observation areas are moved in a parallel manner such that the coordinates which correspond to the second observation area are moved to a reference area that contains the origin point. In the second process, the coordinates which correspond to the first observation area and the coordinates which correspond to the third observation area are moved away from each other.

Description

technical field [0001] The present invention relates to a medical image processing device for generating an image emphasizing the color difference between a normal part and a diseased part, an operating method thereof, and an endoscope system. Background technique [0002] In the medical field, diagnosis using an endoscope system including a light source device, an endoscope, and a processor device is widely used. In this endoscope system, an observation object is irradiated with illumination light from an endoscope, and an image of the observation object is imaged based on an image signal obtained by imaging an observation object illuminated by the illumination light by an imaging element of the endoscope. displayed on the monitor. The doctor detects the presence or absence of a lesion while watching the image displayed on the monitor. [0003] Here, it is possible to easily detect a lesion part whose shape and size are largely different from a normal part, such as a lesi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B1/273A61B5/103A61B1/04
CPCA61B1/0005G06T2207/30092G06T7/0012G06T2207/10068G06T2207/30096G06T7/90A61B5/1032A61B5/0075A61B5/0084A61B1/0684A61B1/000094
Inventor 藏本昌之杉崎诚
Owner FUJIFILM CORP
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