Patents by Inventor Hiroyuki Ohuchi
Hiroyuki Ohuchi 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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Publication number: 20150193962Abstract: An image processing system according to an embodiment includes an input unit, an output unit, an acquiring unit, and a display unit. The input unit receives setting of a landmark in first medical image data obtained by capturing a certain tissue of a subject. The output unit outputs data including information of the position of the landmark in the first medical image data as output data. The acquiring unit receives the output data and acquires, based on one or a plurality of pieces of second medical image data obtained by capturing the certain tissue of the subject and the position of the landmark, three-dimensional position information of the landmark in a three-dimensional capturing space of the second medical image data. The display unit displays image data obtained by superimposing the first medical image data on the second medical image data, based on the three-dimensional position information.Type: ApplicationFiled: March 20, 2015Publication date: July 9, 2015Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Hiroyuki OHUCHI, Shinichi Hashimoto, Takuya Sakaguchi, Ko Fuchigami
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Publication number: 20150193932Abstract: An image processing system according to an embodiment includes a first aligning unit, an output unit, a second aligning unit, and a display unit. The first aligning unit aligns first three-dimensional medical image data with second three-dimensional medical image data. The output unit outputs, as output data, data obtained by adding alignment information to the first three-dimensional medical image data and to the second three-dimensional medical image data or synthetic data obtained by aligning and synthesizing the first three-dimensional medical image data with the second three-dimensional medical image data. The second aligning unit receives the output data and aligns the second three-dimensional medical image data with one or a plurality of pieces of X-ray image data. The display unit displays image data obtained by aligning the first three-dimensional medical image data with X-ray image data based on an alignment result.Type: ApplicationFiled: March 19, 2015Publication date: July 9, 2015Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Shinichi HASHIMOTO, Hiroyuki OHUCHI, Takuya SAKAGUCHI, Ko FUCHIGAMI
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Publication number: 20150193931Abstract: An image processing apparatus according to an embodiment includes an acquiring unit and a determination unit. The acquiring unit acquires information of a relative position between a radiographic space where a subject is radiographed by an X-ray diagnosis apparatus and a scanning space where the subject is scanned by an ultrasound probe. The determination unit determines a position almost the same as the position scanned by the ultrasound probe in the radiographic space, according to the information of the relative position acquired by the acquiring unit. The acquiring unit acquires the information of the relative position based on an X-ray image radiographed by the X-ray diagnosis apparatus.Type: ApplicationFiled: March 19, 2015Publication date: July 9, 2015Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Ko FUCHIGAMI, Takuya Sakaguchi, Shinichi Hashimoto, Hiroyuki Ohuchi
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Publication number: 20150173707Abstract: An image processing apparatus of an embodiment includes a combined image generator and a controller. The combined image generator projects, on three-dimensional data indicating three-dimensional heart function information obtained from a first volume data group obtained by imaging the heart of a subject, a three-dimensional shape of blood vessels nourishing a cardiac muscle included in second volume data obtained by imaging the heart, thereby producing three-dimensional combined data, and produces combined image data in which the three-dimensional combined data is developed on a surface. The controller causes a display unit to display the combined image data.Type: ApplicationFiled: December 2, 2014Publication date: June 25, 2015Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Hiroyuki OHUCHI, Shinichi HASHIMOTO, Yasuhiko ABE
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Publication number: 20150173693Abstract: An X-ray diagnosis apparatus according to an embodiment includes a calculating unit and a control unit. The calculating unit that calculates an angle between a specified position specified in an ultrasonic image generated through transmission and reception of ultrasonic waves by an ultrasound probe and a predetermined position in a radiographic space where a subject is radiographed based on information on a relative position between the radiographic space and a scanning space where the subject is scanned by the ultrasound probe. The control unit that controls an arm to move so that the subject is radiographed at the angle calculated by the calculating unit.Type: ApplicationFiled: March 6, 2015Publication date: June 25, 2015Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Takuya SAKAGUCHI, Ko FUCHIGAMI, Shinichi HASHIMOTO, Hiroyuki OHUCHI
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Publication number: 20150173698Abstract: An image processing apparatus according to an embodiment includes a determination unit and a display control unit. The determination unit that determines whether an X-ray image serving as a first image is to be displayed as a moving image or a still image and a second image is to be displayed as a moving image or a still image according to display states of the images. The display control unit that controls a display unit to display thereon at least any one of superimposed images of a combination of a moving image and a moving image, a combination of a moving image and a still image, and a combination of a still image and a moving image of the X-ray image and the second image, according to the determination made by the determination unit.Type: ApplicationFiled: March 10, 2015Publication date: June 25, 2015Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Takuya Sakaguchi, Ko Fuchigami, Shinichi Hashimoto, Hiroyuki Ohuchi
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Publication number: 20150141828Abstract: According to one embodiment, an ultrasonic diagnostic apparatus includes a transceiver part, a signal processing part and an image generation part. The transceiver part controls an ultrasonic probe to perform a first and second scans. The first scan transmits a first ultrasonic wave and an ultrasonic wave, obtained by modulating an amplitude of the first ultrasonic wave, to scanning lines distributed three dimensionally, and receives first reflected waves. The second scan transmits a second ultrasonic wave to scanning lines distributed two dimensionally during the first scan, and receives second reflective waves. The transceiver part obtains first and second reception signals based on the first and second reflected waves. The signal processing part generates composite signals by combining the first reception signals. The image generation part generates three dimensional ultrasonic image data based on the composite signals, and two dimensional ultrasonic image data based on the second reception signals.Type: ApplicationFiled: October 20, 2014Publication date: May 21, 2015Applicants: Toshiba Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Hiroki Yoshiara, Akihiro Kakee, Cong Yao, Tetsuya Kawagishi, Hiroyuki Ohuchi, Yasunori Honjo, Masahiko Yano, Yoshitaka Mine
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Publication number: 20150094569Abstract: An ultrasonic diagnosis apparatus according to an embodiment includes a scan controller, an image generator, a detector, an image generation controller, an image combiner and a display controller. The scan controller causes to execute a first scan for performing ultrasound transmission in a first direction and a second scan for performing ultrasound transmission in each of a plurality of directions. The image generator generates first ultrasonic image data through the first scan and generates a second ultrasonic image data group through the second scan. The detector detects a line segment based on the second ultrasonic image data group. The image generation controller controls to generate needle image data based on information about the line segment. The image combiner generates composite image data of the first ultrasonic image data and the needle image data. The display controller controls the composite image data to be displayed.Type: ApplicationFiled: December 10, 2014Publication date: April 2, 2015Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Hiroyuki OHUCHI, Takuya SASAKI, Yoshitaka MINE, Tokiko MITOBE
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Patent number: 8932225Abstract: An ultrasonic diagnostic apparatus comprises a first reception echo obtaining unit, a second reception echo obtaining unit, a reception echo combining unit, and an image generating unit. The first reception echo obtaining unit transmits a plurality of ultrasonic pulses having frequency spectra different from one another to an object, and obtains each of reception echoes corresponding to the plurality of ultrasonic pulses. The second reception echo obtaining unit transmits an ultrasonic pulse having the same frequency component characteristics as an combined pulse obtained by combining the plurality of ultrasonic pulses, and to obtain an reception echo. The reception echo combining unit combines the reception echoes obtained by the first reception echo obtaining unit and the reception echo obtained by the second reception echo obtaining unit to generate a combined signal. The image generating unit generates an image of echoes reflected from the object on the basis of the combined signal.Type: GrantFiled: January 26, 2007Date of Patent: January 13, 2015Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Tetsuya Kawagishi, Hiroyuki Ohuchi, Takeshi Sato, Makoto Hirama, Tomohisa Imamura
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Patent number: 8737710Abstract: According to one embodiment, an ultrasonic diagnostic apparatus comprises an ultrasonic probe, a scanning unit, an image data generating unit, a slice specifying unit, an image generating unit and a display unit. The scanning unit repeats three-dimensional scanning on a three-dimensional region in an object with an ultrasonic wave via the ultrasonic probe. The image data generating unit repeatedly generates three-dimensional image data based on an output from the scanning unit. The slice specifying unit specifies at least one slice from the three-dimensional image data concurrently with the three-dimensional scanning. The image generating unit generates at least one slice image associated with the specified slice from the three-dimensional image data. The display unit displays the generated slice image.Type: GrantFiled: June 3, 2010Date of Patent: May 27, 2014Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Shinichi Hashimoto, Hiroyuki Ohuchi, Yasuhiko Abe, Masahide Nishiura
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Publication number: 20140100461Abstract: An ultrasonic diagnostic apparatus according to an embodiment comprises a data acquisition unit configured to execute ultrasonic scanning for a tissue region throughout a predetermined period and acquire a plurality of image data respectively corresponding to phases in the predetermined period; a positional information acquisition unit configured to acquire positional information of a region of interest in the tissue region at least one phase in the period by executing tracking processing using at least part of the plurality of image data; a shape information calculation unit configured to calculate shape information corresponding to the region of interest at least one phase in the period by using positional information of the region of interest at the at least one phase; and an output unit configured to output the shape information at the at least one phase.Type: ApplicationFiled: December 9, 2013Publication date: April 10, 2014Applicants: Toshiba Medical Systems Corporation, Kabushiki Kaisha ToshibaInventors: Yasuhiko Abe, Hiroyuki Ohuchi, Tetsuya Kawagishi
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Patent number: 8540636Abstract: In general, according to one embodiment, an ultrasonic diagnostic apparatus includes an image generating unit configured to generate medical images from a multislice which covers an area including the heart of an object. Each slice is almost perpendicular to the long axis of the heart. Each medical image is a short-axis image of the heart. A series of medical images captured at different times correspond to each slice. The embodiment generates a polar map associated with myocardial motion indices from a plurality of medical images. A polar map is segmented into segments. The embodiment calculates the average value of motion indices for each segment. The utility of an average value depends on the range covered by each segment. This embodiment matches the boundary of a segment with the position of a vein. This prevents a deterioration in the utility of average values due to the influences of veins.Type: GrantFiled: February 2, 2011Date of Patent: September 24, 2013Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Tetsuya Kawagishi, Susumu Uchiyama, Shunsuke Satoh, Shinichi Hashimoto, Yasuhiko Abe, Hiroyuki Ohuchi
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Patent number: 8224049Abstract: A contour specifying part receives volume data representing a subject acquired by transmission of ultrasonic waves to the subject, and specifies a 3-dimensional contour of a myocardium based on the volume data. A forming part sets a reference point on the contour of the myocardium, and forms an image generation plane including a plane substantially orthogonal to the contour of the myocardium at the reference point. An image generator generates image data on the image generation plane based on the volume data. A display controller controls a display to display an image based on the image data.Type: GrantFiled: August 18, 2008Date of Patent: July 17, 2012Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Hiroyuki Ohuchi, Tetsuya Kawagishi, Yasuhiko Abe, Masahide Nishiura, Tomoyuki Takeguchi
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Patent number: 8208703Abstract: A motion function of a biological tissue is efficiently evaluated on the basis of image data collected from different medical image diagnostic apparatuses. In terms of a common analysis algorithm applied to subject's time-series image data supplied from a separate medical image diagnostic apparatus, a setting part sets a plurality of interest points on a myocardial tissue of a reference image data extracted from the image data, and a tracking process part measures a motion parameter on the basis of displacement information of the myocardial tissue at the interest points obtained by a tracking process between the reference image data and subsequent image data thereof. Meanwhile, a data creating unit creates parameter image data showing two-dimension distribution of the motion parameter or parameter time-series data showing a variation in time of the motion parameter as parameter data on the basis of the measurement result, and displays the parameter data.Type: GrantFiled: November 5, 2008Date of Patent: June 26, 2012Assignees: Toshiba Medical Systems Corporation, The Johns Hopkins UniversityInventors: Tetsuya Kawagishi, Hiroyuki Ohuchi, Yasuhiko Abe, Thomas Helle-Valle, Joao A. C. Lima
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Patent number: 8167807Abstract: A motion parameter measuring unit two-dimensionally measures a motion parameter of a myocardial tissue by a tracking process on time-series ultrasonic image data acquired from a sample. A time phase setting unit adds a diastolic heartbeat time phase, which is set on the basis of a systole end specified by a time phase where a cardiac cavity area of the ultrasonic image data is the smallest and a diastole end specified by an R wave in an electrocardiographic waveform of the sample, relative to the systole end to time-series parameter image data generated by a parameter image data generating unit on the basis of the motion parameter. An image data extracting unit extracts parameter image data to which the diastolic heartbeat time phase closest to a desired diastolic heartbeat time phase set by an input unit is added and displays the extracted parameter image data.Type: GrantFiled: December 17, 2008Date of Patent: May 1, 2012Assignees: Toshiba Medical Systems Corporation, The Kansai Electric Power Co., Inc.Inventors: Tetsuya Kawagishi, Yasuhiko Abe, Hiroyuki Ohuchi, Katsuhisa Ishii
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Patent number: 8055040Abstract: Obtains the position of each of points composing the contour of a specific tissue shown in ultrasonic image data having been acquired at each time phase by pattern matching for each time phase. Obtains motion information of each of parts composing the specific tissue based on the position of each of the points composing the contour. For each time phase, obtain the differential value of the motion information of each of the parts by differentiating the motion information of each of the parts by time, and normalizes the differential value of the motion information. Assigns a color corresponding to the magnitude of the normalized differential value of the motion information to each of the parts displays an ultrasonic image at each time phase and furthermore display each of the parts of the specific tissue shown in the ultrasonic image of each time phase in the assign color.Type: GrantFiled: June 23, 2008Date of Patent: November 8, 2011Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Hiroyuki Ohuchi, Yasuhiko Abe, Tetsuya Kawagishi
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Publication number: 20110190634Abstract: In general, according to one embodiment, an ultrasonic diagnostic apparatus includes an image generating unit configured to generate medical images from a multislice which covers an area including the heart of an object. Each slice is almost perpendicular to the long axis of the heart. Each medical image is a short-axis image of the heart. A series of medical images captured at different times correspond to each slice. The embodiment generates a polar map associated with myocardial motion indices from a plurality of medical images. A polar map is segmented into segments. The embodiment calculates the average value of motion indices for each segment. The utility of an average value depends on the range covered by each segment. This embodiment matches the boundary of a segment with the position of a vein. This prevents a deterioration in the utility of average values due to the influences of veins.Type: ApplicationFiled: February 2, 2011Publication date: August 4, 2011Inventors: Tetsuya Kawagishi, Susumu Uchiyama, Shunsuke Satoh, Shinichi Hashimoto, Yasuhiko Abe, Hiroyuki Ohuchi
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Publication number: 20110087094Abstract: According to one embodiment, an ultrasonic diagnosis apparatus comprises a data acquisition unit configured to acquire a plurality of volume data over a predetermined period by executing ultrasonic scanning on a three-dimensional region including at least part of a heart of an object over the predetermined period, a detection condition setting unit configured to set detection conditions which are conditions used to detect a plurality of slices from the at least one volume data and include a detection accuracy associated with at least one slice and an angle defined between slices, a slice detection unit configured to detect the plurality of slices from the at least one volume data in accordance with the set detection conditions, an image generating unit configured to generate MPR images respectively corresponding to the plurality of detected slices, and a display unit configured to display the MPR images.Type: ApplicationFiled: October 8, 2010Publication date: April 14, 2011Inventors: Hiroyuki Ohuchi, Yasuhiko Abe, Shinichi Hashimoto, Masahide Nishiura
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Publication number: 20100310145Abstract: According to one embodiment, an ultrasonic diagnostic apparatus comprises an ultrasonic probe, a scanning unit, an image data generating unit, a slice specifying unit, an image generating unit and a display unit. The scanning unit repeats three-dimensional scanning on a three-dimensional region in an object with an ultrasonic wave via the ultrasonic probe. The image data generating unit repeatedly generates three-dimensional image data based on an output from the scanning unit. The slice specifying unit specifies at least one slice from the three-dimensional image data concurrently with the three-dimensional scanning. The image generating unit generates at least one slice image associated with the specified slice from the three-dimensional image data. The display unit displays the generated slice image.Type: ApplicationFiled: June 3, 2010Publication date: December 9, 2010Inventors: Shinichi HASHIMOTO, Hiroyuki Ohuchi, Yasuhiko Abe, Masahide Nishiura
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Publication number: 20100198071Abstract: Position coordinate information of each point three-dimensionally forming a tissue corresponding to a diagnosis target at each time phase is obtained, a quantitative value for evaluating the movement of the tissue corresponding to the diagnosis target is calculated by using the position information, and the result is output in a predetermined form. Accordingly, since the quantitative value for evaluating the movement is calculated by using the three-dimensional position coordinate information without converting wall movement information obtained by a three-dimensional tracking process into two-dimensional information, it is possible to provide medical information with a higher degree of precision.Type: ApplicationFiled: January 22, 2010Publication date: August 5, 2010Inventors: Hiroyuki OHUCHI, Shinichi Hashimoto, Yasuhiko Abe, Tetsuya Kawagishi