Kabushiki Kaisha Toshiba

Toshiba Medical Systems Corporation

Canon Medical Systems Corporation

The Kansai Electric Power Co., Inc.

Johns Hopkins University

Tetsuya Kawagishi

Yasuhiko Abe

Yasunori Honjo

Yoshitaka Mine

Masaki Watanabe

Hiroyuki Ohuchi

Akihiro Kakee

Naohisa Kamiyama

Tomohisa Imamura

Shinichi Hashimoto

Makoto Hirama

Takeshi Sato

Yuko Kanayama

Koichiro Kurita

Hiroki Yoshiara

Shogo Fukuda

Katsuhisa Ishii

Ryota Osumi

Kuramitsu Nishihara

Ryoichi Kanda

Tetsuya Yoshida

Yoko Okamura

Cong Yao

Yu Igarashi

Masamichi Oyanagi

Mitsuo Akiyama

Koji Ando

Tomoyuki Takeguchi

Kazuhiro Iinuma

Takuya Sasaki

Yoichi Ogasawara

Yasuo Miyajima

Tatsuro Baba

Muneki Kataguchi

Masahide Nishiura

Fumiyasu Sakaguchi

Atsushi Sumi

Yasutsugu Seo

Joao A C Lima

Yuko Takada

Toshie Maruyama

Eiji Goto

Shunsuke Satoh

Takeshi Fukasawa

Naoki Yoneyama

Keita Yonemori

Shintaro Niwa

Susumu Uchiyama

Yasuyuki Masakari

Thomas Helle-Valle

Yoshimi Muto

An analyzing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to detect a shear wave propagating in an object. The processing circuitry is configured to calculate an index value that indicates viscosity within the object and that is not dependent on any physical model related to viscoelasticity, by analyzing the detected shear wave.

Analyzing apparatus

According to one embodiment, a medical processing apparatus includes processing circuitry. The processing circuitry adds incidental information including information regarding a kind concerning each of a plurality of regions in a heart to an analysis result of each of the regions. The analysis result is obtained by analyzing medical data. The processing circuitry determines a display position of the analysis result of each of the regions based on the incidental information.

Medical processing apparatus and medical processing method

An analyzing apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires a plurality of time-series medical images. The processing circuitry calculates, for each of image pairs each formed of two medical images included in the medical images, a first index value indicating similarity between image signals in the two medical images. The processing circuitry also calculates, on the basis of a plurality of the first index values calculated for the respective image pairs, a second index value corresponding to a statistical value in a time direction of the first index values.

Analyzing apparatus and analyzing method

An analyzing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to obtain pieces of Doppler image data in a time series rendering a blood flow in an analysis target formed in a blood vessel. The processing circuitry is configured to analyze the pieces of Doppler image data in the time series and to calculate an index value based on temporal changes in a first blood flow signal intensity level in a first region of interest including the blood flow in the analysis target.

Analyzing apparatus and analyzing method using distribution information

An image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to perform a speckle noise reducing process on each of a plurality of images that were acquired by using an ultrasound wave and are in a time series. The processing circuitry is configured to calculate an index value indicating fluttering of image signal intensities in each of multiple positions within a region of interest, on the basis of the plurality of images resulting from the speckle noise reducing process.

Image processing apparatus and ultrasound diagnosis apparatus

According to one embodiment, an analysis apparatus includes processing circuitry. The processing circuitry configured to generate a harmonic signal and a fundamental wave signal based on a reception signal that is collected by an ultrasound probe, the harmonic signal corresponding to a harmonic component of a reflected wave of a ultrasound generated in the subject, the fundamental wave signal corresponding to a fundamental wave component of the reflected wave, calculate a first index value indicating tissue properties of the subject based on the harmonic signal, and calculate a second index value indicating the tissue properties based on the fundamental wave signal, and display an analysis result based on the first index value and the second index value.

Ultrasound analysis apparatus and method for tissue elasticity and viscosity based on the hormonic signals

An ultrasound diagnosis apparatus according to an embodiment includes an obtaining unit, an image generating unit, and a controlling unit. The obtaining unit obtains setting information in which a plurality of types of ultrasound image data are set as display-purpose image data and in which a percentage of a time period to display the display-purpose image data is set for each of the plurality of types. The image generating unit generates, along a time series, each of the plurality of types of ultrasound image data set in the setting information. The controlling unit exercises control so that the plurality of types of ultrasound image data generated by the image generating unit are stored into a storage unit and exercises control so that the display-purpose image data is displayed on a display unit according to the percentage set in the setting information for each of the types.

Ultrasound diagnosis apparatus and image processing apparatus

An ultrasonic diagnostic apparatus according to an embodiment includes transmission circuitry, receiving circuitry and extracting circuitry. The transmission circuitry cause an ultrasonic probe to perform three or more times of ultrasonic wave transmissions, an ultrasonic wave to be transmitted including a center frequency component, a phase of the center frequency component being different in each transmission. The receiving circuitry generates three or more reception signals corresponding to a common reception scanning line based on a plurality of reflected wave signals, the plurality of reflected wave signals being obtained through the three or more times of ultrasonic wave transmissions. The extracting circuitry extracts a nonlinear component included in the three or more reception signals by adding up the three or more reception signals after performing a processing including phase rotation processing on two or more reception signals among the three or more reception signals.

Ultrasonic diagnostic and image processing apparatus for tissue harmonic imaging by extracting nonlinear components from three signals via addition after phase rotation

An ultrasonic diagnosis apparatus according to an embodiment includes a transmission unit, a reception unit, a generator, and a display controller. The transmission unit causes an ultrasonic probe to transmit a displacement-producing ultrasonic wave and causes the probe to transmit a displacement-observing ultrasonic wave. The reception unit generates reflected-wave data based on a reflected wave received by the probe. The generator calculates displacement at each of a plurality of positions in the scan area over a plurality of time phases, based on the reflected-wave data, determines a time phase when the calculated displacement is substantially maximum, for each of the positions, and generates image data representing positions where the determined time phases are substantially the same as each other, among the positions. The display controller superimposes an image based on the image data on a medical image corresponding to an area including the scan area.

Ultrasonic diagnosis apparatus, image processing apparatus, and image processing method for tissue displacement caused by a shearwave generated by acoustic radiation force

An ultrasonic diagnostic apparatus in an embodiment includes processing circuitry. The processing circuitry is configured to cause an ultrasonic probe to perform an ultrasound scan of a subject. The processing circuitry is configured to generate a shadow image by assigning at least one of hue, saturation, and lightness depending on a feature of an acoustic shadow that has appeared in the result of the ultrasound scan.

Ultrasonic diagnostic apparatus and image generating method

An ultrasound diagnosis apparatus includes a calculating unit, an obtaining unit, a determining unit, and a controlling unit. By using a plurality of pieces of three-dimensional ultrasound image data in a time series corresponding to a three-dimensional region including a myocardium of a subject, the calculating unit calculates first movement information indicating a movement of the myocardium by tracking a movement of a region of interest that corresponds to the myocardium and that is set in each of the plurality of pieces of three-dimensional image data. The obtaining unit obtains direction information indicating a direction of a myocardial fiber in the myocardium. The determining unit determines second movement information indicating a movement of the myocardium with respect to the direction of the myocardial fiber, on the basis of the first movement information and the direction information. The controlling unit causes a display unit to display the second movement information.

An ultrasonic diagnostic apparatus according to an embodiment includes a candidate-position extracting circuitry and a position setting circuitry. The candidate-position extracting circuitry extracts a first position through comparison of a fundamental wave component between a plurality pieces of image data collected by performing ultrasonic scanning on a subject injected with a contrast agent. The candidate-position extracting circuitry also extracts a second position through comparison of a harmonic component between the pieces of image data. The position setting circuitry sets the first position or the second position as a position of a region of interest where predetermined analysis is performed in at least one image data of the pieces of image data.

Ultrasonic diagnostic apparatus and image processing apparatus

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.

Ultrasonic diagnostic apparatus, medical image processing apparatus, and medical image processing method

Growing community of inventors

Nasushiobara, Japan

Tetsuya Kawagishi