公开(公告)号：US20170325658A1

公开(公告)日：2017-11-16

申请号：US15666562

申请日：2017-08-01

Applicant: OLYMPUS CORPORATION

Inventor： Ken IOKA ,  Kazunori YOSHIZAKI ,  Sunao KIKUCHI ,  Yasuhiro KOMIYA ,  Yasuhiro FUKUNAGA

IPC: A61B1/00 ,  A61B1/05 ,  A61B1/06

CPC classification number: A61B1/00009 ,  A61B1/00186 ,  A61B1/051 ,  A61B1/0638 ,  A61B1/0646 ,  G06T3/4015

Abstract: An image processing device includes: a separation unit configured to separate a plurality of wide-band image signals corresponding to wide-band light passing through each of a plurality of wide-band filters and a narrow-band image signal corresponding to narrow-band light passing through a narrow-band filter, from each other, based on an image signal input from an imaging device; a demosaicing unit configured to perform demosaic processing that interpolates one of the plurality of wide-band image signals based on edge information from the narrow-band image signal separated by the separation unit; and an image generation unit configured to generate a wide-band image by using the wide-band image signal interpolated by the demosaic processing performed by the demosaicing unit and generate a narrow-band image by using the narrow-band image signal.

公开(公告)号：US20220245808A1

公开(公告)日：2022-08-04

申请号：US17726933

申请日：2022-04-22

Applicant: OLYMPUS CORPORATION

Inventor： Ken IOKA

IPC: G06T7/00 ,  G06V10/74 ,  G06T7/62 ,  G01N21/25 ,  G01N21/27

Abstract: An image processing apparatus includes a processor including hardware. The processor is configured to: acquire a first wavelength image and a second wavelength image, the first wavelength image being generated by irradiating a stage and by capturing light that has passed through the stage, the second wavelength image being generated by irradiating a specimen and by capturing light that has passed through the stage and the specimen, the specimen including a core tissue; calculate a spectral transmittance image; cause a display to display at least one of the spectral transmittance image and the second wavelength image as a display image; extract an area of the spectral transmittance image having spectral transmittance similar to spectral transmittance of a reference area in the display image as a core tissue area of the core tissue; and calculate an amount of the core tissue area.

公开(公告)号：US20190124258A1

公开(公告)日：2019-04-25

申请号：US16220604

申请日：2018-12-14

Applicant: OLYMPUS CORPORATION

Inventor： Ken IOKA

IPC: H04N5/232 ,  G06T3/40 ,  H04N5/341 ,  H01L27/146

Abstract: An image processing apparatus includes: a processor configured to execute: acquiring image data; generating a first interpolation image data corresponding to light in a red wavelength band, a second interpolation image data corresponding to light in a green wavelength band, a third interpolation image data corresponding to light in a blue wavelength band, and fourth interpolation image data corresponding to narrow band light; calculating a ratio of a pixel value of the fourth interpolation image data to a pixel value of the second interpolation image data for each region including one or a plurality of pixels; extracting a pixel of the fourth interpolation image data in the region where the calculated ratio exceeds a predetermined threshold value; generating a composite image data based on the pixel value of the extracted pixel and the second or the third interpolation image data; and generating color image data.

公开(公告)号：US20200320698A1

公开(公告)日：2020-10-08

申请号：US16867648

申请日：2020-05-06

Applicant: Olympus Corporation

Inventor： Ken IOKA

IPC: G06T7/00 ,  H04N5/225 ,  G06T7/62 ,  G02B21/36 ,  G02B21/06 ,  G02B26/00 ,  G01N21/27 ,  G01N33/483 ,  A61B1/05 ,  A61B1/06 ,  A61B10/04 ,  A61B1/00

Abstract: A specimen-sample estimation apparatus includes: a light emitter configured to emit white light to irradiate light to a specimen sample including a living tissue; special light filters that are insertable and removable to and from an optical path of the white light, each special light filter being configured to transmit light having a different wavelength band; a driver configured to move one of the special light filters to the optical path; an imager configured to image the specimen sample to generate image data; and a processor including hardware, the processor being configured to detect a core tissue region of the living tissue appearing in an image corresponding to the image data, calculate an amount of tissue of the living tissue, based on the detected core tissue region, and determine whether the calculated amount of tissue is equal to or larger than a predetermined threshold.

公开(公告)号：US20140043502A1

公开(公告)日：2014-02-13

申请号：US14056685

申请日：2013-10-17

Applicant: OLYMPUS CORPORATION

Inventor： Ken IOKA

IPC: H04N5/235

CPC classification number: H04N5/2357

Abstract: Provided is a flicker noise detection apparatus for detecting flicker noise in a video signal. The apparatus includes: a positional displacement detection module for detecting a positional displacement of an image across a plurality of sequential frames including, as a latest frame, a current frame of the video signal; a reference frame generation module for correcting, based on the positional displacement detected, the positional displacement of the image across the plurality of sequential frames, and generating a reference frame, based on the plurality of sequential frames corrected; and a flicker noise detection module for detecting, based on the reference frame generated and the current frame, flicker noise in the current frame.

Abstract translation: 提供了一种用于检测视频信号中的闪烁噪声的闪烁噪声检测装置。 该装置包括：位置检测模块，用于检测跨越多个连续帧的图像的位置偏移，包括作为最新帧的视频信号的当前帧; 参考帧生成模块，用于基于检测到的位置位移，基于校正的多个顺序帧来校正多个顺序帧中的图像的位置偏移，并生成参考帧; 以及闪烁噪声检测模块，用于基于所生成的参考帧和当前帧来检测当前帧中的闪烁噪声。

公开(公告)号：US20170276847A1

公开(公告)日：2017-09-28

申请号：US15622031

申请日：2017-06-13

Applicant: OLYMPUS CORPORATION

Inventor： Kazunori YOSHIZAKI ,  Ken IOKA ,  Sunao KIKUCHI ,  Yasuhiro KOMIYA ,  Yasuhiro FUKUNAGA

IPC: G02B5/28 ,  G02F1/01

CPC classification number: G02B5/281 ,  A61B1/00186 ,  A61B1/041 ,  A61B1/0638 ,  A61B1/0653 ,  A61B1/0684 ,  G02B5/0294 ,  G02B5/201 ,  G02B13/146 ,  G02B23/24 ,  G02F1/0105 ,  G02F1/133524

Abstract: An imaging system includes: an imaging sensor; a plurality of first band filters and a second band filter, the second band filter being configured to transmit narrowband light having a maximum value of a transmission spectrum outside a range of a wavelength band of light that passes through the first band filter; and a light source unit configured to radiate light having a projecting distribution in which at least one of an upper limit value and a lower limit value of a wavelength that are half a maximum value in a light spectrum of a light source is between an upper limit value and a lower limit value of a wavelength that are half the maximum value in the transmission spectrum of the second band filter. A color and a narrowband images are generated from a single image while the light source unit radiates the light.

公开(公告)号：US20170265731A1

公开(公告)日：2017-09-21

申请号：US15616340

申请日：2017-06-07

Applicant: OLYMPUS CORPORATION

Inventor： Kazunori YOSHIZAKI ,  Ken IOKA ,  Sunao KIKUCHI ,  Yasuhiro KOMIYA ,  Yasuhiro FUKUNAGA

IPC: A61B1/04 ,  H04N9/04 ,  H04N5/225 ,  H04N5/33 ,  A61B1/06 ,  A61B1/00

CPC classification number: A61B1/041 ,  A61B1/00 ,  A61B1/00009 ,  A61B1/00016 ,  A61B1/0638 ,  A61B1/0646 ,  H04N5/2252 ,  H04N5/2256 ,  H04N5/33 ,  H04N5/332 ,  H04N9/045 ,  H04N2005/2255 ,  H04N2209/047

Abstract: An imaging device includes: an imaging sensor; a color filter including first band filters and a second band filter configured to transmit narrowband light having a maximum value of a transmission spectrum outside a range of the wavelength band of the light that passes through each first band filter; a first light source unit; a second light source unit configured to radiate light having an upward projecting distribution of a wavelength spectrum in relation to intensity and having a narrowband light spectrum narrower than the broadband; and a control unit configured to cause the first light source unit and the second light source unit to radiate the beams of light simultaneously, wherein a peak wavelength of the light radiated by the second light source unit is an infrared region or a near-infrared region.

公开(公告)号：US20170258304A1

公开(公告)日：2017-09-14

申请号：US15607485

申请日：2017-05-27

Applicant: OLYMPUS CORPORATION

Inventor： Ken IOKA ,  Kazunori YOSHIZAKI ,  Sunao KIKUCHI ,  Yasuhiro KOMIYA ,  Yasuhiro FUKUNAGA

IPC: A61B1/04 ,  A61B1/06 ,  A61B1/05 ,  G02B23/24

CPC classification number: A61B1/041 ,  A61B1/00004 ,  A61B1/00186 ,  A61B1/05 ,  A61B1/051 ,  A61B1/06 ,  G02B23/2415 ,  G02B23/2461 ,  G02F1/01 ,  G03B7/02 ,  G03B15/03 ,  G03B35/06 ,  G03B37/02 ,  H04N5/2254 ,  H04N5/2353 ,  H04N5/238 ,  H04N2005/2255

Abstract: An imaging device includes an image sensor. The image sensor includes: a light receiving unit having pixels configured to receive light and generate an imaging signal according to an amount of the received light; a color filter having a filter unit disposed corresponding to the pixels, the filter unit including first band filters for passing light of a wavelength band of a primary color or a complementary color and including at least one second band filter for passing narrow-band light whose wavelength band is narrower than the wavelength band of the light passing through each of the first band filters; and an output unit configured to output the imaging signal under conditions that an amount of light incident on a second pixel corresponding to the at least one second band filter is greater than an amount of light incident on each of first pixels corresponding to the first band filters.

公开(公告)号：US20210027464A1

公开(公告)日：2021-01-28

申请号：US17069032

申请日：2020-10-13

Applicant: OLYMPUS CORPORATION

Inventor： Ken IOKA

IPC: G06T7/00 ,  G06K9/00 ,  G01N15/14

Abstract: A specimen analysis apparatus includes: a light source; an imager configured to capture, at predetermined time intervals, images of the specimen and sequentially generate image data; a processor configured to sequentially detect the core tissue that appears in an image corresponding to the sequentially generated image data, sequentially calculate a tissue amount of the core tissue based on the sequentially detected core tissue, and determine whether the tissue amount of the core tissue is smaller than a threshold value set in advance every time the processor calculates the tissue amount; an isolator configured to isolate the core tissue from the specimen; and a drive controller configured to cause the isolator to perform the isolation operation when the tissue amount is smaller than the threshold value, and cause the isolator to stop the isolation operation when the tissue amount is equal to or larger than the threshold value.

公开(公告)号：US20190253675A1

公开(公告)日：2019-08-15

申请号：US16391159

申请日：2019-04-22

Applicant: OLYMPUS CORPORATION

Inventor： Ken IOKA ,  Wataru ONIKI

IPC: H04N9/04 ,  H04N9/083 ,  A61B1/00 ,  A61B1/06

CPC classification number: H04N9/04515 ,  A61B1/00009 ,  A61B1/0638 ,  G06T1/00 ,  H04N9/07 ,  H04N9/083

Abstract: An image processing apparatus includes a processor configured to execute: acquiring image data; generating first interpolation image data associated with light having a red wavelength band, second interpolation image data associated with light having a green wavelength band, third interpolation image data associated with light having a blue wavelength band, and fourth interpolation image data associated with narrow band light; performing a color space conversion process for converting each of the first to the third interpolation image data to a luminance component and a color difference component; extracting a first specific frequency component included in the fourth interpolation image data; combining the converted luminance component with the extracted first specific frequency component; and generating color image data based on a combination result obtained by the combining and based on the color difference component.