Samsung Electronics Co., Ltd.

Korea Advanced Institute of Science and Technology

Hitachi, Ltd.

Toshihiro Rifu

Kyoung-Yong Lee

Duhgoon Lee

Jong Beom Ra

Ji Young Jung

Jong-hyon Yi

Seungeon Kim

Iljun Ahn

Yongjin Chang

Byung-sun Choi

JongHyon Yi

Yeon-ju Lee

Nasir Desai

Gun-woo Lee

Chang-lae Lee

Do-il Kim

Ji-young Jung

Jin-mo Jung

Ajay Narayanan

Min-kook Cho

Sang-wook Yoo

Ji-Young Jung

Seok-min Han

Seokhwan Jang

Kyoung-yong Lee

Jong Hyon Yi

Ji-young Choi

Ji-Young Choi

Jin-wook Jung

Chang Lae Lee

Sang-nam Nam

Kwan-hee Han

Alexander Zamyatin

Chan-won Seo

Eun-ji Seo

Jin-Wook Jung

Eun-Ji Seo

Kwan-Hee Han

Min-Kook Cho

Do-Il Kim

Chang-Lae Lee

Jong-Hyon Yi

Narayanan Ajay

Provided are a tomography imaging apparatus and a method of reconstructing a tomography image which may more accurately measure a motion of an object to be tomography-imaged. In detail, the tomography imaging apparatus and the method of reconstructing a tomography image may obtain information indicating a motion of a moving object according to a time, may perform motion correction based on the obtained motion information, and may reconstruct a target image with reduced motion artifacts.

Tomography imaging apparatus and method of reconstructing tomography image

A tomography apparatus includes a data acquirer configured to acquire partial images of an object including a first image and a second image having imaged a surface of a portion of the object corresponding to a first time and a second time, respectively, by performing a tomography scan on the object that is moving, and acquire first information indicating motion of the object by using the first image and the second image; and an image reconstructor configured to reconstruct a target image by using the first information.

Tomography apparatus and method for reconstructing tomography image thereof

A tomography apparatus includes: an X-ray generator which emits X-rays; a controller which determines a first value based on a threshold dosage of the X-rays allowed for a subject and generates an absorbed-dose distribution diagram which indicates a location range of the subject in which, when the X-rays are irradiated to the subject based on an imaging condition, an absorbed dose of the X-ray has the first value; and an indicator showing the absorbed-dose distribution diagram.

Method and apparatus for photographing medical image

A method and apparatus for setting an imaging environment of a medical apparatus based on one or more signals transmitted from a plurality of clients are provided. The method of setting an imaging environment of a medical apparatus based on one or more signals transmitted from a plurality of clients includes transmitting information regarding an imaging operation of the medical apparatus to the plurality of clients, receiving one or more response signals with respect to the information from the plurality of clients, and setting the imaging environment of the medical apparatus based on the one or more response signals.

Method and apparatus for setting imaging environment by using signals transmitted by plurality of clients

Provided is a tomography apparatus including: a data acquisitor configured to obtain a first image by using tomography data acquired as a first X-ray generator for generating X-rays having a first energy rotates around an object over a first angular range and obtain a second image by using tomography data acquired as a second X-ray generator for generating X-rays having a second energy rotates around the object over a second angular range; a controller configured to acquire motion information representing an amount of motion of the object over time by using the first and second images; and an image reconstructor configured to reconstruct a target image showing the object at a target time point by using the motion information.

Apparatus and method for reconstructing tomography images using motion information

A tomography apparatus includes a data obtainer and an image processor. The data obtainer performs a tomography scan on a moving object and obtains raw data of the object The image processor reconstructs a first tomography image of the object for a first slice section in a first phase from the raw data and reconstructs a second tomography image in a second phase, which is different from the first phase, for the first slice section of the object by using the raw data. The image processor also generates motion information indicating a three-dimensional (3D) motion of the object. The second phase is a phase beyond a phase range of the raw data.

Tomography apparatus and method of reconstructing tomography image thereof

Provided are a tomography apparatus and a method for reconstructing a tomography image. The method includes obtaining a plurality of raw data corresponding to a plurality of views by performing a tomography scan on an object and deblurring each of the plurality of raw data based on a point spread function (PSF) that varies according to locations in a field of view (FOV) in a gantry. The method also includes reconstructing a final tomography image in which a motion of the object is corrected from the plurality of deblurred raw data based on a motion vector indicating the motion of the object.

Tomography apparatus and method of reconstructing tomography image

A tomography apparatus includes a data obtainer configured to obtain first image data at a first point and second image data at a second point using tomography, the tomography being performed by irradiating an X-ray to an object; an image processor configured to perform noise reduction based on at least one from among the first image data and the second image data, and to obtain a first reference image corresponding to the first image data and a second reference image corresponding to the second image data using a result of the performed noise reduction; and an image reconstructor configured to reconstruct a target image representing the object based on the first reference image and the second reference image.

Tomography apparatus and method of reconstructing cross-sectional image

An apparatus and a method of processing a medical image are provided. The apparatus is configured to generate a cross-sectional image of an object by transmitting X-rays through a region of the object, and includes an X-ray generator configured to generate the X-rays. The apparatus further includes a controller configured to determine sub-regions included in the region, based on positions of body parts included in the region, determine image qualities of the sub-regions based on types of the body parts included in the sub-regions, control doses of the X-rays based on the image qualities, and control the X-ray generator to transmit the controlled X-rays to the region.

Apparatus and method of processing medical image

An apparatus includes an image analysis unit arranged to extract, from the medical image, brightness intensities of a first body lumen region of the medical image and brightness intensities of a second body lumen region of the medical image; and a measuring unit arranged to calculate a first body lumen value and a second body lumen value, each of the first body lumen value and a second body lumen value being calculated as a predetermined linear combination of the brightness intensities of the corresponding first body lumen region and second body lumen region, and to compare the first body lumen value with the second body lumen value.

Apparatus and method for processing a medical image of a body lumen

A tomography imaging apparatus and a tomography imaging method are provided. The tomography imaging apparatus includes a data acquirer configured to acquire first X-ray data of an object for each of energy bands, and an image preprocessor configured to perform a beam hardening correction on the first X-ray data for each of the energy bands, to generate second X-ray data of the object. The tomography imaging apparatus further includes an image reconstructor configured to reconstruct a tomography image of the object based on the second X-ray data.

Tomography imaging apparatus and method

A computed tomography (CT) apparatus includes a data acquirer configured to acquire a first image corresponding to a first time point, a second image corresponding to a second time point, and a third image corresponding to a third time point based on a result of a CT scan on an object; an image reconstructor configured to acquire motion information of the object based on an amount of movement of the object between the first and second images and an amount of movement of the object between the first and third images, and obtain a target image by correcting at least one of the first, second and third images based on the motion information; and a display configured to display the target image.

Computed tomography (CT) apparatus and method of reconstructing CT image

A tomography apparatus includes a data acquirer configured to obtain a first partial image and a second partial image of an object based on data that is obtained respectively at a first angular section corresponding to a first time and at a second angular section corresponding to a second time during a tomography scan of the object that is moving, a controller configured to determine first information indicating a motion amount of the object in a first area of an entire image based on the first partial image and the second partial image, and determine second information indicating a degree of blur of a point included in the object in the first area based on the first information, and an image processor configured to correct the first area based on the first information and the second information, and output a tomography image based on the corrected first area.

Tomography apparatus and method of reconstructing tomography image by using the tomography apparatus

A tomography apparatus includes a data acquirer acquiring a first image and a second image that are partial images, by using data acquired in a first angular section corresponding to a first time point and a second angular section corresponding to a second time and facing the first angular section, by performing a tomography scan on an object that is moving, and acquiring first information indicating a motion amount of the object by using the first image and the second image, and an image reconstructor reconstructing a target image indicating the object at a target time, based on the first information.

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Suwon-si, South Korea

Toshihiro Rifu