Patents by Inventor Satoshi Wakai
Satoshi Wakai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9445082Abstract: According to one embodiment, an image processing system includes a stereoscopic display device and an image processing apparatus. The stereoscopic display device is configured to enable a stereoscopic image constituted by using a predetermined parallax number of parallax images to be stereoscopically viewed. The image processing apparatus comprises a rendering processor configured to apply rendering processing to volume data serving as three-dimensional medical image data, a rendering processing controller configured to control the rendering processor so as to generate from the volume data a parallax image group composed of the predetermined parallax number or more of parallax images, and a storage controller configured to store in a memory the parallax image group generated by the rendering processor.Type: GrantFiled: September 27, 2013Date of Patent: September 13, 2016Assignee: Toshiba Medical Systems CorporationInventors: Shinsuke Tsukagoshi, Satoshi Wakai, Yoshiyuki Kokojima, Go Mukumoto
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Publication number: 20160206260Abstract: An X-ray image diagnosis apparatus includes an X-ray tube, an X-ray detector, a fluid information acquisition unit, a registration unit, and a capturing direction controller. The X-ray tube emits X-rays toward a subject. The X-ray detector detects the X-rays having passed through the subject. The fluid information acquisition unit acquires fluid information on a target site including a region of interest of the subject captured by an ultrasound image diagnosis apparatus. The registration unit extracts position information of a probe of the ultrasound image diagnosis apparatus. The capturing direction controller controls capturing direction for capturing the target site based on the position information and a direction in which a fluid flows indicated by the fluid information.Type: ApplicationFiled: January 15, 2016Publication date: July 21, 2016Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Satoshi WAKAI, Tetsuya YOKOTA
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Publication number: 20160058407Abstract: A medical image processing apparatus includes a processing circuitry. The processing circuitry obtains volume data including a tubular organ. The processing circuitry extracts the tubular organ from the volume data. The processing circuitry calculates each of a plurality of feature quantities at a plurality of positions in the tubular organ. The processing circuitry calculates a graph indicating a distribution of the plurality of feature quantities at the plurality of positions. The processing circuitry displays the graph and the tubular organ on a display, the displayed graph being aligned with the displayed tubular organ.Type: ApplicationFiled: August 20, 2015Publication date: March 3, 2016Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventor: Satoshi WAKAI
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Publication number: 20160063697Abstract: According to embodiment, a medical image processing apparatus includes input interface circuitry and processing circuitry. The input interface circuitry inputs at least three landmarks in a first and second slice image group. The processing circuitry determines, in each of the first and second slice image group, a first axis connecting two points in the landmarks and a second axis that passes through another point different from the two points and is orthogonal to the first axis. The processing circuitry performs a registration between first slice images belonging to the first slice image group and second slice images belonging to the second slice image group by using the first and second axes in the first slice image group and the first and second axes in the second slice image group.Type: ApplicationFiled: October 27, 2015Publication date: March 3, 2016Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Tetsuya YOKOTA, Satoshi Wakai
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Publication number: 20150370995Abstract: According to embodiment, a medical fluid analysis apparatus includes processing circuitry generating a treatment model in which a device model is placed in a body cavity model, the device model representing a shape of a treatment device to be placed inside a body cavity of a subject, the body cavity model representing a shape of the cavity, performing a fluid analysis on a fluid in the treatment model with a modification of the treatment model, based on characteristics at least including hardness of body cavity tissue in the body cavity model, characteristics at least including hardness of the treatment device in the device model, and fluid characteristics of the fluid inside the body cavity in the body cavity model, and outputting an analysis result obtained by the processing circuitry.Type: ApplicationFiled: August 28, 2015Publication date: December 24, 2015Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MEDICAL SYSTEMS CORPORATIONInventor: Satoshi WAKAI
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Publication number: 20150355300Abstract: In one embodiment, a magnetic resonance imaging apparatus includes a magnetic resonance imaging apparatus includes: a gantry including at least an RF (Radio Frequency) coil and a gradient coil, wherein the RF coil receives MR (Magnetic Resonance) signals from an object when an RF signal from the RF coil and a gradient magnetic field from the gradient coil are applied to the object in a main scan; processing circuitry configured to reconstruct image data of a plurality of images of the object based on the MR signals, and generate display image data from the reconstructed image data, wherein the display image data is generated such that display images are observed from a unified observational direction, regardless of a case where cross-sectional directions vary; and a display configured to display the display images observed from the unified observational direction based on the display image data.Type: ApplicationFiled: June 4, 2015Publication date: December 10, 2015Inventors: Kiyomi OOSHIMA, Satoshi WAKAI, Sachiko NAGASAKA
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BLOOD VESSEL ANALYSIS APPARATUS, MEDICAL IMAGE DIAGNOSIS APPARATUS, AND BLOOD VESSEL ANALYSIS METHOD
Publication number: 20150356734Abstract: According to one embodiment, a structuring circuitry temporarily structures a dynamical model of analysis processing based on the time-series medical image. The identification circuitry identifies a latent variable of the dynamical model so that at least one of a prediction value of a blood vessel morphology and a prediction value of a bloodstream based on the temporarily structured dynamical model is in conformity with at least one of an observation value of the blood vessel morphology and an observation value of the bloodstream measured in advance. The analysis circuitry analyzes the dynamical model to which the identified latent variable is allocated.Type: ApplicationFiled: June 5, 2015Publication date: December 10, 2015Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Medical Systems CorporationInventors: Junichiro Ooga, Kenji Hirohata, Shigeo Kaminaga, Yasuko Fujisawa, Satoshi Wakai, Kazumasa Arakita, Takuma Igarashi, Hideaki Ishii -
Publication number: 20150348263Abstract: According to one embodiment, a medical image processing apparatus includes a valve extractor, a specifier and a calculator. The valve extractor extracts a living valve image by analyzing 3D image data related to an anatomical part of a subject. The specifier specifies distribution of an amount of calcium in the living valve image from CT values of pixels in the living valve image. The calculator calculates distribution of difficulty levels of implanting an artificial valve to the anatomical part in the living valve image based on a comparison between the amount of calcium and a predetermined set value.Type: ApplicationFiled: June 2, 2015Publication date: December 3, 2015Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Kyohei YAMAMORI, Satoshi WAKAI, Masahiro OZAKI
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Patent number: 9192347Abstract: A medical image processing system includes an angiographic image acquisition unit, a volume data generation unit, a vessel extraction unit, a sorting unit, and an image synthesis unit. The angiographic image acquisition unit acquires an angiographic image on a region including a blood vessel. The volume data generation unit three-dimensionally reconstructs the angiographic image to generate volume data. The vessel extraction unit extracts blood vessels on the basis of the volume data. The sorting unit sorts collateral circulations and ischemic blood vessels on the basis of the blood vessels. The image synthesis unit applies different image processes to the collateral circulations and the ischemic blood vessels, and generates a synthesized image.Type: GrantFiled: June 3, 2013Date of Patent: November 24, 2015Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MEDICAL SYSTEMS CORPORATIONInventor: Satoshi Wakai
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Publication number: 20150327780Abstract: An image processing apparatus according to an embodiment includes a processing circuitry. The processing circuitry is configured to obtain images in a time series including images of a blood vessel of a subject and correlation information indicating a correlational relationship between physical indices of the blood vessel and function indices of the blood vessel related to vascular hemodynamics, calculate blood vessel morphology indices in a time series indicating morphology of the blood vessel of the subject, on a basis of the images in the time series, and identify a function index of the blood vessel of the subject, by using a physical index of the blood vessel of the subject obtained from the blood vessel morphology indices, on a basis of the correlation information.Type: ApplicationFiled: May 15, 2015Publication date: November 19, 2015Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Akira KANO, Kenji HIROHATA, Junichiro OOGA, Mitsuaki KATO, Takuya HONGO, Akihiro GORYU, Shigeo KAMINAGA, Yasuko FUJISAWA, Satoshi WAKAI, Yoshihiro IKEDA, Kazumasa ARAKITA
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Publication number: 20150269315Abstract: The extraction unit extracts a plurality of medical images as a list display target from an image storage unit storing a plurality of medical images and an plurality of apparatus types in association with each other. The list generation unit generates a list in which a plurality of reduced images respectively corresponding to the plurality of extracted medical images are arranged. The plurality of reduced images are arranged for each apparatus type in the list, and the list clearly indicates a reduced image corresponding to a candidate image of the plurality of extracted medical images that is more likely to be used. The display displays the generated list.Type: ApplicationFiled: June 3, 2015Publication date: September 24, 2015Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Medical Systems CorporationInventors: Kazumasa ARAKITA, Satoshi WAKAI, Kota AOYAGI
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Publication number: 20150265233Abstract: According to one embodiment, an image observation apparatus includes a condition storage, list generation circuitry, and a display. The condition storage stores a plurality of display target conditions respectively corresponding to a plurality of display areas in a display screen. The list generation circuitry generates a plurality of image lists respectively corresponding to the plurality of display areas, which concern additional items of a plurality of images respectively corresponding to the display target conditions. The display displays the plurality of image lists in the plurality of display areas, and an image corresponding to an additional item selected from the plurality of displayed image lists in the corresponding display area.Type: ApplicationFiled: June 5, 2015Publication date: September 24, 2015Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Medical Systems CorporationInventors: Kota AOYAGI, Satoshi WAKAI, Kazumasa ARAKITA
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Publication number: 20150257655Abstract: A centerline extraction unit extracts at least two coronary artery centerline structures from at least two images respectively corresponding to at least two cardiac phases concerning a heart, an interpolation processing unit interpolates coronary artery centerline structures concerning other cardiac phases from the at least two extracted coronary artery centerline structures to generate coronary artery centerline structures respectively corresponding to a plurality of cardiac phases throughout one heartbeat of the heart, and a displacement distribution calculation unit calculates a plurality of displacement distributions between the respective cardiac phases from a plurality of coronary artery centerline structures throughout the one heartbeat.Type: ApplicationFiled: May 29, 2015Publication date: September 17, 2015Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Hideaki Ishii, Satoshi Wakai, Kazumasa Arakita, Takuma Igarashi, Yasuko Fujisawa, Shigeo Kaminaga, Kenji Hirohata, Junichiro Ooga
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Publication number: 20150262357Abstract: There is provided a medical image processing apparatus which includes a first extraction unit configured to extract coronary arteries depicted in images of a plurality of time phases relating to the heart, and to extract at least one stenosed part depicted in each coronary artery; a calculation unit configured to calculate a pressure gradient of each of the extracted coronary arteries, based on tissue blood flow volumes of the coronary arteries; a second extraction unit configured to extract an ischemic region depicted in the images; and a specifying unit configured to specify a responsible blood vessel of the ischemic region by referring to a dominance map, in which each of the extracted coronary arteries and a dominance territory are associated, for the extracted ischemic region, and to specify a responsible stenosis, based on the pressure gradient corresponding to a stenosed part in the specified responsible blood vessel.Type: ApplicationFiled: May 29, 2015Publication date: September 17, 2015Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Takuma IGARASHI, Satoshi Wakai, Kazumasa Arakita, Hideaki Ishii, Yasuko Fujisawa, Shigeo Kaminaga, Kenji Hirohata, Junichiro Ooga
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Publication number: 20150262388Abstract: According to one embodiment, a medical image diagnostic apparatus includes a storage memory, processing circuitry, and a display. The storage memory stores data of a plurality of FFR distribution maps constituting a time series regarding a coronary artery, and data of a plurality of morphological images corresponding to the time series. The processing circuitry converts the plurality of FFR distribution maps into a plurality of corresponding color maps, respectively. The display displays a plurality of superposed images obtained by superposing the plurality of color maps and the plurality of morphological images respectively corresponding in phase to the plurality of color maps. The display restricts display targets for the plurality of color maps based on the plurality of FFR distribution maps or the plurality of morphological images.Type: ApplicationFiled: May 29, 2015Publication date: September 17, 2015Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Hideaki Ishii, Satoshi Wakai, Kazumasa Arakita, Takuma Igarashi, Yasuko Fujisawa, Shigeo Kaminaga, Kenji Hirohata, Junichiro Ooga
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Publication number: 20150228115Abstract: A medical-image processing apparatus and a medical-image diagnostic apparatus according to an embodiment include an acquisition unit, a generation unit, an identification unit, and a display control unit. The acquisition unit acquires a medical image containing a blood vessel collected by the medical-image diagnostic apparatus. The generation unit generates an anatomical structure model based on the medical image acquired by the acquisition unit. The identification unit identifies a position, on the medical image, of an index relating to blood flow analyzed through fluid analysis using the anatomical structure model. The display control unit displays the position of the index on the medical image, and also displays the index associated with the position of the index on the medical image.Type: ApplicationFiled: February 9, 2015Publication date: August 13, 2015Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Satoshi WAKAI, Takuya Sakaguchi, Akihito Takahashi
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Publication number: 20150161790Abstract: According to embodiment, an image processing apparatus comprising a specifying unit and a display controller. The specifying unit that specifies an acquisition position of an indicator relating to blood flow on a blood vessel-containing image collected by a medical image diagnostic apparatus. The display controller that displays the acquisition position on the blood vessel-containing image and displays the indicator on a display unit in association with the acquisition position.Type: ApplicationFiled: February 13, 2015Publication date: June 11, 2015Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Akihito TAKAHASHI, Satoshi Wakai, Takuya Sakaguchi
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Publication number: 20150087981Abstract: An ultrasound diagnosis apparatus configured to generate fly-through image data on the basis of various sub-volume data that are acquired by transmitting/receiving ultrasound to/from a three-dimensional region in a subject include: a misregistration corrector configured to correct misregistration between the sub-volume data on the basis of at least any one of information on a lumen wall of a hollow organ and information on a core line that indicates the center axis of the hollow organ in the sub-volume data; a fly-through image data generator configured to generate the fly-through image data on the basis of sub-volume data where the misregistration has been corrected; and a display unit configured to display the fly-through image data.Type: ApplicationFiled: December 4, 2014Publication date: March 26, 2015Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Hideaki ISHII, Satoshi WAKAI, Kensuke SHINODA
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Patent number: 8913812Abstract: According to one embodiment, a medical image processing apparatus includes at least a vascular region extracting unit, a vascular shape image generating unit, a perfusion analyzing unit, a perfusion image generating unit, an image composition unit. The vascular region extracting unit extracts a vascular region based on a three-dimensional medical image. The vascular shape image generating unit generates an image of a vascular shape of the vascular region. The perfusion analyzing unit performs perfusion analysis on the three-dimensional medical image and obtains a perfusion value indicating a blood circulation condition in tissue around the vascular region. The perfusion image generating unit generates an image indicating the perfusion value. The image composition unit generates a vascular shape perfusion composition image in which an image of the vascular shape in a contraction portion in a blood vessel corresponding to the vascular region is combined with the image indicating the perfusion value.Type: GrantFiled: December 4, 2012Date of Patent: December 16, 2014Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Tetsuya Yokota, Kensuke Shinoda, Satoshi Wakai
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Patent number: 8903146Abstract: According to one embodiment, an image diagnosis apparatus includes a line shape information generating unit and a comparing unit. The line shape information generating unit is configured to generate first line shape information corresponding to a first medical image and second line shape information corresponding to a second medical image, respectively. The comparing unit is configured to compare the generated first line shape information with the second line shape information.Type: GrantFiled: March 26, 2012Date of Patent: December 2, 2014Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventor: Satoshi Wakai