Sony Olympus Medical Solutions Inc.

Sony Corporation

Taihei Michihata

Yuichi Yamada

Satoshi Mitsui

Hiroshi Myoken

Takahiro Yamamoto

Kohtaro Amano

Aki Mizukami

Kiminori Sugisaki

Sumihiro Uchimura

Koji Kojima

Morinao Fukuoka

Yoichiro Sakanoue

A medical control device includes a display controller configured to display, in a display device configured to display images, a medical image generated from an imaging signal generated by an imaging device configured to receive light coming from an observation target; and a brightness controller configured to control the brightness of the imaging signal in such a way that the display controller displays the medical image having a predetermined brightness. When the dynamic range of the display device is set to a second value that is greater than a first value, the brightness controller is configured to perform control to lower the brightness of the imaging signal as compared to the brightness of the imaging signal for displaying the medical image at the predetermined brightness when the dynamic range is set to the first value.

Medical control device and medical observation device

A memory controller, in a first observation mode, writes a first captured image into a first memory area of a memory, reads first to fourth divided images obtained by dividing the first captured image from first to fourth divided areas of the first memory area, respectively, and outputs the first to fourth divided images to image processing unitsto, respectively, and in a second observation mode, writes the first and second captured images into second and third memory areas, respectively, each having the same memory capacity as that of each of the divided areas in the memory, respectively, reads the first and second captured images from the second and third memory areas, respectively, and outputs the first and second captured images to two image processing unitsand, respectively.

Medical image processing apparatus and medical observation system

A learning deviceincludes: a training image acquisition unitthat acquires training images in which a first training image acquired by capturing light from a subject irradiated with light in a first wavelength band and a second training image acquired by capturing light from the subject irradiated with light in a second wavelength band different from the first wavelength band are paired; a singular area specification unitthat specifies a singular area in the second training image; a first feature data extraction unitthat extracts feature data of a singular-corresponding area at a pixel position corresponding to the singular area in the first training image; and a singular-corresponding area learning unitthat generates a learning model by performing machine learning on the singular-corresponding area based on the feature data.

Learning device and medical image processing device

A medical image processing apparatus includes: a captured image acquisition unit configured to acquire a first captured image obtained by capturing light from an observation target to which light of a first wavelength band is emitted and a second captured image obtained by capturing fluorescence from the observation target excited by excitation light of a second wavelength band; an evaluation value calculation unit configured to calculate, based on the first captured image, an evaluation value used for at least one of a first control of controlling a focus position of an imaging device configured to generate each of the first captured image and the second captured image and a second control of controlling a brightness of the first captured image and the second captured image; and an operation controller configured to execute at least one of the first control and the second control based on the evaluation value.

A medical control device includes: an imaging controller configured to control an imaging device to cause the imaging device to capture normal light emitted from a light source and received by way of an observation target in a first period to generate a first captured image, and to capture excitation light emitted from the light source and received by way of the observation target and fluorescence light from the observation target excited by the excitation light in a second period to generate a second captured image; and image processing circuitry configured to: perform an adjustment process to reduce a component of a color corresponding to the excitation light included in the second captured image; and generate a superimposed image by superimposing the first captured image and the second captured image subjected to the adjustment process.

Medical control device and medical observation system

A medical control apparatus to which a rigid endoscope having an insertion portion to be inserted into a subject is detachably connected is configured to perform image processing on a captured image obtained by capturing a subject image introduced by the rigid endoscope and generate a medical photographic image to be displayed on a display device that displays images. The medical control apparatus includes: a detection unit configured to detect a mask width that is a distance between boundary points dividing the subject image included in the captured image and a mask area that is an area other than the subject image; and a control unit configured to calculate a first parameter used for the image processing in accordance with the mask width.

Medical control apparatus and method of controlling medical control apparatus

A medical image processing device includes: a first captured image acquisition unit configured to acquire a first left-eye image and a first right-eye image; a second captured image acquisition unit configured to acquire a second left-eye image and a second right-eye image; a superimposed image generation unit configured to superimpose corresponding pixels of the first left-eye image and the second left-eye image on each other to generate a left-eye fluorescence superimposed image and superimpose corresponding pixels of the first right-eye image and the second right-eye image on each other to generate a right-eye fluorescence superimposed image; and a display controller configured to generate a display image from the first left-eye and right-eye images, the second left-eye and right-eye images, the left-eye and the right-eye fluorescence superimposed images, wherein the display image includes a stereoscopically observable three-dimensional fluorescence superimposed image generated from the left-eye and the right-eye fluorescence superimposed images.

Medical image processing device and medical observation system

A medical image processing device includes a processor configured to: acquire a first captured image captured based on light from an observation target irradiated with light in a first wavelength band, the observation target emitting fluorescence upon being irradiated with excitation light in a second wavelength band; acquire a second captured image captured based on the excitation light and the fluorescence from the observation target irradiated with the excitation light; specify a target area in which a pixel level is not lower than a predetermined threshold, in the first captured image; and generate, for an area at a same position as the target area, a superimposed image only including pixels in the target area in the first captured image, among pixels in the area at the same position as the target area in the second captured image and pixels in the target area in the first captured image.

A medical image processing apparatus includes: a first captured image acquisition unit configured to acquire a first captured image obtained by capturing light from an observation target irradiated with light in a first wavelength band, the observation target emitting fluorescence when irradiated with excitation light in a second wavelength band different from the first wavelength band; a second captured image acquisition unit configured to acquire a second captured image obtained by capturing the fluorescence from the observation target irradiated with the excitation light; a first image processor configured to execute image processing on the first captured image; and a second image processor configured to execute image processing including blurring processing of blurring an image on the second captured image.

A medical image processing apparatus includes: image signal acquiring circuitry configured to acquire: a first image signal generated by capturing light of a first wavelength band with an image sensor; and a second image signal generated by capturing light of a second wavelength band different from the first wavelength band with the image sensor, the first image signal and the second image signal being not subjected to the demosaic processing, and the image sensor including a color filter in which filter groups having spectroscopic properties different from each other are arranged in a specific form; a first signal path including a demosaic processor configured to execute the demosaic processing to the first image signal; and a second signal path diverged from the first signal path on a path former part from the demosaic processor, in which the demosaic processing is not executed to the second image signal.

A medical control device includes circuitry configured to: control an autofocus operation on a captured image from an observation target illuminated with excitation light of a first wavelength band and a pattern image of a second wavelength band, the observation target fluorescing in response to the excitation light to output light in a third wavelength band. The captured image includes light components in the first to third wavelengths bands, of which the second and third wavelength bands are different. The autofocus operation is controlled by calculating, based on the pattern image of the second wavelength band in the captured image, an evaluation value used in an autofocus process that controls a focus position of an imaging device configured to generate the captured image.

Medical control device and medical observation system using a different wavelength band than that of fluorescence of an observation target to control autofocus

An image processing apparatus includes a linear matrix operation unit configured to set a matrix coefficient in accordance with an input image signal, and perform a linear matrix operation on the image signal using the set matrix coefficient.

Image processing apparatus and image processing method

An image processing apparatus includes a processor including hardware. The processor is configured to: execute a first white balance adjustment on a first signal corresponding to multiple wavelength bands; generate a luminance signal from a second signal including an area having saturation caused by the first white balance adjustment; extract a detail component based on the first signal; and apply the detail component to the luminance signal to generate a corrected luminance signal.

Image processing apparatus and observation system

A medical image processing device includes: a memory; and a processor including hardware. The processor is configured to: generate, by performing enlargement processing or shrinking processing to first observation image information input from an outside, second observation image information having number of pixels different from predetermined number of pixels, the first observation image information being generated by capturing a subject and having the predetermined number of pixels; generate third observation image information by performing enhancement processing for enhancing a structure of the subject to the second observation image information, the structure of the subject being contained in a second observation image corresponding to the second observation image information; and generate and output fourth observation image information having different number of pixels from that of the second observation image information by performing enlargement processing or shrinking processing to the third observation image information.

Medical image processing device, image processing method, and computer readable recording medium

A medical image processing apparatus includes: a superimposed image generation unit configured to generate a superimposed image by superimposing a subject image and a fluorescent image in areas corresponding to each other; a determination unit configured to determine whether or not at least one of a subject and an observation device moves from timing before timing at which one of the subject image and the fluorescent image is captured to the timing; and a superimposition controller configured to cause the superimposition image generation unit to prohibit a superimposition in an area of at least a part of the subject image and the fluorescent image when the determination unit determines that at least one of the subject and the observation device moves.

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Kanagawa, Japan

Taihei Michihata