Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A computed tomography apparatus including a gantry rotated along a rail in the shape of a ring is provided. The computed tomography apparatus according to an embodiment includes an x-ray source to radiate x-rays, an x-ray detector to detect the x-rays, a gantry at which the x-ray source and the x-ray detector are mounted, and a rail provided in the shape corresponding to an outer side surface of the gantry, and the gantry is configured to rotate along an inner side surface of the rail.

Abstract: 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.

Abstract: 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.

Abstract: A tomography apparatus includes a data acquirer which acquires a first image which corresponds to a first time point and a second image which corresponds to a second time point by performing a tomography scan on an object; an image reconstructor which acquires first information which relates to a relationship between a motion amount of the object and the time based on a motion amount between the first image and the second image, predicts a third image which corresponds to a third time point between the first and second time points based on the first information, corrects the first information by using the predicted third image and measured data which corresponds to the third time point, and reconstructs the third image by using the corrected first information; and a display which displays the reconstructed third image.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A tomography apparatus includes a data acquirer which acquires a first image which corresponds to a first time point and a second image which corresponds to a second time point by performing a tomography scan on an object; an image reconstructor which acquires first information which relates to a relationship between a motion amount of the object and the time based on a motion amount between the first image and the second image, predicts a third image which corresponds to a third time point between the first and second time points based on the first information, corrects the first information by using the predicted third image and measured data which corresponds to the third time point, and reconstructs the third image by using the corrected first information; and a display which displays the reconstructed third image.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A computed tomography apparatus includes an X-ray irradiation unit irradiating an X-ray to an object while rotating along a predetermined rotation path, a detector acquiring projection data by detecting an X-ray transmitted through the object, a filter unit located between the X-ray irradiation unit and the object and comprising a plurality of transmissive areas and a plurality of slightly transmissive areas that are arranged in a predetermined direction, and a control unit controlling a motion of the filter unit to allow a relative position of the plurality of transmissive areas with respect to the X-ray irradiation unit and a relative position of the plurality of slightly transmissive areas with respect to the X-ray irradiation unit to change while the X-ray irradiation unit rotates.

Abstract: The disclosed embodiments relate to characterizing or quantifying an element or composition of interest within an imaged volume. In accordance with one embodiment, high and low energy images are acquired of a volume of interest using a polychromatic emission source. The high and low energy images are processed to generate monochromatic images. Based on the observed attenuation within the monochromatic images, one or more elements or compositions of interest are characterized within the imaged volume.

Abstract: A system and method for dual energy CT spectral imaging that provides for accurate blood vessel stenosis visualization and quantification is disclosed. The CT system includes an x-ray source configured to project x-rays toward a region-of-interest of a patient that includes a blood vessel in a stenosed condition and having a plaque material therein. The CT system also includes an x-ray detector to receive x-rays emitted by the x-ray source and attenuated by the region-of-interest, a data acquisition system (DAS) operably connected to the x-ray detector, and a computer programmed to obtain a first set of CT image data for the region-of-interest at a first chromatic energy level, obtain a second set of CT image data for the region-of-interest at a second chromatic energy level that is higher than the first chromatic energy level, and identify plaque material in the region-of-interest by analyzing the second set of CT image data.