Patents Assigned to EIZO Corporation
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Patent number: 11935455Abstract: An object of the present invention is to provide the image display system, the image display device, the image display method and the computer program that can enhance usability when changing a luminance setting value. The image processing unit is configured to set a gradation characteristic of the image data to be displayed on the image display unit to a first gradation characteristic and simultaneously switch a luminance setting value from a first luminance setting value to a second luminance setting value when the image display system accepts a request to change the luminance setting value of the image display unit from the first luminance setting value to the second luminance setting value, and then switch the gradation characteristic of the image data to be displayed on the image display unit to a second gradation characteristic.Type: GrantFiled: February 2, 2021Date of Patent: March 19, 2024Assignee: EIZO CorporationInventors: Tatsuya Nakamura, Airi Kurokawa, Masahiro Sugumi
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Publication number: 20240029616Abstract: An object of the present invention is to provide the image display system, the image display device, the image display method and the computer program that can enhance usability when changing a luminance setting value. The image processing unit is configured to set a gradation characteristic of the image data to be displayed on the image display unit to a first gradation characteristic and simultaneously switch a luminance setting value from a first luminance setting value to a second luminance setting value when the image display system accepts a request to change the luminance setting value of the image display unit from the first luminance setting value to the second luminance setting value, and then switch the gradation characteristic of the image data to be displayed on the image display unit to a second gradation characteristic.Type: ApplicationFiled: February 2, 2021Publication date: January 25, 2024Applicant: EIZO CorporationInventors: Tatsuya NAKAMURA, Airi KUROKAWA, Masahiro SUGUMI
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Patent number: 11875078Abstract: A display system that smoothly switches input from one input device to input from another input device when a plurality of display devices include respective input devices. The display system includes a first display device and a second display device. The first display device includes a first display unit, a first controller, and a first input device. The second display device includes a second display unit, a second controller, and a second input device. The first display unit displays a first image outputted from at least one first computer. The second display unit displays a second image outputted from at least one second computer. The first controller receives input of first information outputted from the first input device for operating the first and second computers. The second controller receives input of second information outputted from the second input device for operating the second computer.Type: GrantFiled: November 27, 2019Date of Patent: January 16, 2024Assignee: EIZO CORPORATIONInventors: Tomohiko Yabui, Hideki Kitayama, Kiyoyuki Tanaka
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Patent number: 11810293Abstract: The present invention has been made in view of the foregoing, and an object thereof is to provide an information processing device capable of appropriately determining a necessity of the ultrasonography even when a high-density mammary gland area exists in a narrow area. The present invention provides an information processing device comprising: a mammary gland area extractor configured to extract a mammary gland area in a mammography image; a mammary gland pixel detector configured to detect a mammary gland pixel in the mammary gland area; and a mammary gland density calculator configured to calculate a mammary gland density based on a ratio of the mammary gland pixels to the mammary gland area, wherein the mammary gland area is a narrower area than an entire breast in the mammography image.Type: GrantFiled: February 20, 2019Date of Patent: November 7, 2023Assignee: EIZO CorporationInventors: Yu Kato, Masafumi Higashi, Reo Aoki, Mamoru Ogaki, Ikumi Arai, Noriyuki Hashimoto, Naoaki Hirata
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Patent number: 11776114Abstract: An object of the present invention is to provide an information processing method and a computer program that can suppress an increase in inspection time in the manufacturing process of the monitors. The present invention provides an information processing method comprising: an error calculation step of calculating an error between input image data input to an autoencoder and output image data output from the autoencoder; a similarity calculation step of calculating a similarity between compressed data and reference data based on the compressed data and the reference data, the compressed data being acquired by compressing the input image data in an encoder of the autoencoder; and a determination step of determining whether a display unevenness of the input image data is acceptable based on a relationship between the error and the similarity, the relationship corresponding to a relational expression or a table.Type: GrantFiled: November 6, 2019Date of Patent: October 3, 2023Assignee: EIZO CorporationInventors: Kazuki Tsutsukawa, Yusuke Bamba, Nobunari Tabata
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Patent number: 11763777Abstract: An image display device, image display system, image display method and computer program which are configured so that not only the gradation characteristic at the luminance over 0.05 (cd/m2) but also the gradation characteristic at the luminance less than 0.05 (cd/m2) satisfies the DICOM. The image display device includes an image display unit; and an image processing unit. The image processing unit is configured to display the image data on the image display unit based on first and second gradation characteristics, a luminance of the first gradation characteristic is 0.05 (cd/m2) or more, a luminance of the second gradation characteristic is less than 0.05 (cd/m2), the first gradation characteristic complies with GSDF (Grayscale Standard Display Function) gradation characteristic of DICOM standard, and the first and second gradation characteristics are defined to satisfy a relationship between a JND value and a corresponding luminance.Type: GrantFiled: May 23, 2019Date of Patent: September 19, 2023Assignee: EIZO CorporationInventor: Tetsuya Yasuda
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Patent number: 11763418Abstract: An object of the present invention is to provide an image processing device, an image processing method, and a computer program that can reduce the toggle rate without degrading image data. The present invention provides an image processing device that processes image data comprising: a first processing unit, wherein the first processing unit is configured to receive input pixel data and output output pixel data, the input pixel data includes sequential pixel data which is pixel data having N sequential pixel data (N?3), and the output pixel data includes data in which the pixel data included in the sequential pixel data is sorted based on a similarity of the pixel data included in the sequential pixel data.Type: GrantFiled: April 12, 2019Date of Patent: September 19, 2023Assignee: EIZO CorporationInventors: Hiroki Matsuzaki, Tsubasa Ito, Tomoya Nakamura, Kenichi Kagawa
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Publication number: 20230143350Abstract: An information processing device including: a data acquiring unit; and a data calculator. The data acquiring unit is configured to acquire medical image data and additional data, the additional data includes at least one of monitor-related data and/or environmental data, the monitor-related data is data for defining a visibility of an image displayed on a display unit of a monitor, the environmental data is data indicating an ambient environment of the monitor, and the data calculator is configured to calculate overlooking suppression data based on the medical image data and the additional data, the overlooking suppression data is data that suppresses overlooking of a lesion in the medical image data.Type: ApplicationFiled: March 18, 2021Publication date: May 11, 2023Applicant: EIZO CorporationInventors: Masafumi HIGASHI, Yu KATO
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Publication number: 20230138625Abstract: A method for detecting emitted light from a display screen with a simple configuration and procedure without changing the position of the sensor. A method for detecting emitted light from a display screen of a display apparatus, including: a placement step of placing a photometric part including an optical sensor and a light guide member on a front surface side of the display screen, and a detection step of turning on any area of the display screen, guiding the emitted light from the area to the optical sensor by the light guide member, and detecting the emitted light with the optical sensor without changing the position of the optical sensor.Type: ApplicationFiled: February 10, 2021Publication date: May 4, 2023Applicant: EIZO CorporationInventors: Akinori HAYASHI, Yusuke BAMBA, Ryosuke DOMAE, Hiroshi ITO
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Patent number: 11627385Abstract: Provided is an image capturing apparatus with which images of a subject can be captured in diverse lighting environments that can be varied without moving the fixed positions of lighting fixtures. An image capturing apparatus 100 is provided with: a turntable 11 for placing a subject to be captured; cameras 6a and 6b for capturing images of the subject placed on a placement stand 1; a plurality of side walls 7a-7h provided to surround the turntable 11; and a plurality of lateral lighting units installed inside the plurality of side walls 7a-7h. In the image capturing apparatus 100, the lighting condition of the turntable 11 can be varied by individually changing the illumination states of the plurality of lateral lighting units.Type: GrantFiled: January 30, 2019Date of Patent: April 11, 2023Assignee: EIZO CorporationInventors: Nobuaki Sugii, Takuya Katayama
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Patent number: 11509885Abstract: [Problem] The present invention provides a stereoscopic image display device, stereoscopic image display method, and a program capable of displaying the display target with a constant size and a constant aspect ratio even when the distance between the stereoscopic image display device and the user changes. [Solution to Problem] The present invention provides a stereoscopic image display device comprising: a display part; an acquisition part configured to acquire an observation viewing distance that is a viewing distance from the display part to a user; and an adjustment part configured to adjust a display state of a display image based on a reference viewing distance and the observation viewing distance, wherein the display part is configured to display a stereoscopic image based on the display state.Type: GrantFiled: May 10, 2019Date of Patent: November 22, 2022Assignee: EIZO CorporationInventors: Satomi Kidoguchi, Yu Kato, Haifeng Chen, Reo Aoki, Masataka Shoji
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Patent number: 11488304Abstract: A gauze detection system is provided that is capable of effectively detecting a gauze pad in the patient's body during surgery without applying special processing to the gauze pad. A gauze detection system 100, includes: an image input section 1 to input a taken image of an operative field; a determination section 2 to determine whether a determination target region contains a feature of a gauze image by image processing, the region having a predetermined size in an input image; and a determination result output section 3 to report detection of a gauze pad in the input image in a case of the determination target region being determined by the determination section 2 to contain the feature of the gauze image.Type: GrantFiled: May 1, 2018Date of Patent: November 1, 2022Assignee: EIZO CorporationInventor: Takuya Katayama
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Publication number: 20220326900Abstract: A display system that smoothly switches input from one input device to input from another input device when a plurality of display devices include respective input devices. The display system includes a first display device and a second display device. The first display device includes a first display unit, a first controller, and a first input device. The second display device includes a second display unit, a second controller, and a second input device. The first display unit displays a first image outputted from at least one first computer. The second display unit displays a second image outputted from at least one second computer. The first controller receives input of first information outputted from the first input device for operating the first and second computers. The second controller receives input of second information outputted from the second input device for operating the second computer.Type: ApplicationFiled: November 27, 2019Publication date: October 13, 2022Applicant: EIZO CorporationInventors: Tomohiko YABUI, Hideki KITAYAMA, Kiyoyuki TANAKA
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Patent number: 11437001Abstract: Provided are an image processing apparatus, a program and an image processing method capable of avoiding interference with the function of another program. An image processing apparatus includes a position information detection unit configured to detect position information indicating a position on a display, a region position setting unit configured to set the position of the region of interest on the display based on the position information, and an image processing unit configured to perform image process on at least one image among an image inside of the region of interest and an image outside of the region of interest. The region position setting unit, when the position information is changed with the image process, sets the position of the region of interest based on the position information immediately before the change.Type: GrantFiled: January 10, 2018Date of Patent: September 6, 2022Assignee: EIZO CorporationInventors: Yuji Haruki, Ikumi Arai, Naoaki Hirata, Yoichi Ueda, Tomoharu Yachikami
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Publication number: 20220245806Abstract: The present invention has been made in view of the foregoing, and an object thereof is to provide a method for learning a threshold that can provide a more objective threshold applied to pixels in the mammography image. The present invention provides a method for learning a threshold value applied to pixels in a mammography image comprising: an acquiring step; and a learning step, wherein in the acquiring step, the mammography image is acquired, in the learning step, a relationship between the mammography image and a mammary gland pixel estimation threshold is learned, the mammary gland pixel estimation threshold is a threshold value used to calculate a mammary gland pixel area of each pixel of a mammary gland region in the mammography image, and the mammary gland pixel area is a value indicating a degree of a mammary gland pixel-likeness of the pixel in the mammography image.Type: ApplicationFiled: July 12, 2019Publication date: August 4, 2022Applicant: EIZO CorporationInventors: Yu KATO, Masafumi HIGASHI, Reo AOKI, Mamoru OGAKI
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Publication number: 20220215814Abstract: An image display device, image display system, image display method and computer program which are configured so that not only the gradation characteristic at the luminance over 0.05 (cd/m2) but also the gradation characteristic at the luminance less than 0.05 (cd/m2) satisfies the DICOM. The image display device includes an image display unit; and an image processing unit. The image processing unit is configured to display the image data on the image display unit based on first and second gradation characteristics, a luminance of the first gradation characteristic is 0.05 (cd/m2) or more, a luminance of the second gradation characteristic is less than 0.05 (cd/m2), the first gradation characteristic complies with GSDF (Grayscale Standard Display Function) gradation characteristic of DICOM standard, and the first and second gradation characteristics are defined to satisfy a relationship between a JND value and a corresponding luminance.Type: ApplicationFiled: May 23, 2019Publication date: July 7, 2022Applicant: EIZO CorporationInventor: Tetsuya YASUDA
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Patent number: 11380239Abstract: The visibility of a display device under colored ambient light is improved. There is provided an image processing system for converting a color space represented by color components of image data. The image processing system includes a color space converter configured to correct the color components of the image data by converting the color space such that, with respect to particular color components in user-perceived color gamut widened by influence of chromatic adaptation caused by ambient light, the influence is maintained and such that, with respect to particular color components in user-perceived color gamut narrowed by the influence, the influence is canceled; and a display unit configured to display, as an output image, the image data using the corrected color components.Type: GrantFiled: November 7, 2019Date of Patent: July 5, 2022Assignee: EIZO CorporationInventors: Satomi Kidoguchi, Takashi Nakamae, Reo Aoki, Masataka Shoji
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Patent number: 11375084Abstract: The present invention provides a measurement method capable of measuring a physical property value of light output based on a pixel value at any coordinates in an original image. According to the present invention, provided is a measurement method including a display control step of displaying a patch image generated based on a pixel value at target coordinates in the original image, on a display screen at patch display coordinates different from the target coordinates; and a measurement control step of measuring the physical property value of the light from the patch image displayed on the display screen.Type: GrantFiled: July 3, 2018Date of Patent: June 28, 2022Assignee: EIZO CorporationInventors: Takao Maekawa, Kensuke Nagashima, Atsuyoshi Deyama, Takashi Nakagawa, Tatsuya Nakamura
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Patent number: 11363245Abstract: To provide an image processing device, an image processing method, and an image processing program capable of performing image processing beneficial for producing an image having high visibility without giving a sense of incongruity to a user such as a doctor. An image processing device is provided, the image processing device being provided with a weighting determination unit and a brightness calculation unit, wherein: when a region made up of a plurality of pixels, which is at least one portion of an input image input to the image processing device, is defined as a noted region, and this input image, either originally or as a result of an operation after being input, is an image expressed in an RGB color space, that is, each pixel is made up of an R component configuring red, a G component configuring green, and a B component configuring blue, and these are collectively defined as RGB components.Type: GrantFiled: November 6, 2017Date of Patent: June 14, 2022Assignee: EIZO CorporationInventors: Satomi Kidoguchi, Takashi Nakamae, Reo Aoki
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Publication number: 20220172317Abstract: An object of the present invention is to provide an image processing device, an image processing method, and a computer program that can reduce the toggle rate without degrading image data. The present invention provides an image processing device that processes image data comprising: a first processing unit, wherein the first processing unit is configured to receive input pixel data and output output pixel data, the input pixel data includes sequential pixel data which is pixel data having N sequential pixel data (N?3), and the output pixel data includes data in which the pixel data included in the sequential pixel data is sorted based on a similarity of the pixel data included in the sequential pixel data.Type: ApplicationFiled: April 12, 2019Publication date: June 2, 2022Applicant: EIZO CorporationInventors: Hiroki MATSUZAKI, Tsubasa ITO, Tomoya NAKAMURA, Kenichi KAGAWA