Samsung Electronics Co., Ltd.

Korea University Research and Business Foundation

Hl Mando Corporation

Young Beom Kim

Yeunchul Ryu

Jaemock Yi

Seong-deok Lee

Hyun Jung Kim

Jae Mock Yi

Jong-bum Son

Chang-Hyun Oh

Byung Kwan Park

Seong Deok Lee

The embodiments of the present disclosure relate to a motor control device and method, more particularly, a motor control device and method capable of improving an uncomfortable feeling in motor control by minimizing the control stop time by classifying the operation in the transition period of a control right to another motor control device according to a failure type, in the case of a failure of the motor control device having the control right in the motor control system of the redundancy structure.

Motor control device and method

A receiving coil for a magnetic resonance imaging (MRI) apparatus has a cylindrical form including ring-type support members or a cylinder-type support member having open ends, and at least one coil element connected to the support member(s). The receiving coil is configured to receive magnetic resonance signals.

Magnetic resonance imaging (MRI) apparatus signal receiving coil including support member and coil element connected to support member

A method of magnetic resonance imaging (MRI) includes applying radio frequency (RF) pulses including a plurality of frequency components and a selection gradient to a target to simultaneously excite a plurality of sub-volumes included in each of a plurality of groups, wherein neighboring sub-volumes of all sub-volumes constituting a volume of the target belong to different groups; acquiring magnetic resonance signals from the plurality of sub-volumes by performing 3D encoding on each of the excited sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the plurality of sub-volumes.

Magnetic resonance imaging system and magnetic resonance imaging method using excited sub-volumes in groups

A magnetic resonance imaging (MRI) method includes: applying radio-frequency (RF) pulses comprising a plurality of frequency components and a selection gradient to a subject to simultaneously excite a plurality of sub-volumes in each of a plurality of groups, wherein a plurality of sub-volumes making up a volume of the subject are divided into the plurality of groups so that any neighboring sub-volumes belong to different groups; performing three-dimensional (3D) encoding on each of the excited sub-volumes using a plurality of encoding methods; acquiring magnetic resonance signals from the encoded sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the encoded sub-volumes.

Magnetic resonance imaging system using sub-volumes and magnetic resonance imaging method using sub-volumes

A magnetic resonance imaging (MRI) method includes defining a plurality of sub-volumes so that each of the sub-volumes includes a plurality of sequential slices of a plurality of slices that make up a volume of a subject, wherein the sub-volumes are divided into a plurality of groups so that any neighboring sub-volumes belong to different groups; applying radio-frequency (RF) pulses including a plurality of frequency components and a selection gradient to the subject to simultaneously excite a plurality of sub-volumes in each of the groups; performing three-dimensional (3D) encoding on each of the excited sub-volumes so that only some slices of the plurality of slices in each of the excited sub-volumes are encoded in a slice direction; acquiring magnetic resonance signals from the encoded sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the plurality of slices in each of the encoded sub-volumes.

Magnetic resonance imaging system and magnetic resonance imaging method

A method and apparatus for generating a magnetic resonance image including applying to a target first radio frequency (RF) pulses having phases and different frequencies to excite a plurality of sub-volumes constituting a volume of the target, and acquiring first magnetic resonance signals from the plurality of sub-volumes, and applying to the target second RF pulses having the same frequencies as the frequencies of the first RF pulses and phases at least one of which is different from the phases of the first RF pulses, and acquiring second magnetic resonance signals from the plurality of sub-volumes. Also, data may be generated based on the first and second magnetic resonance signals.

Magnetic resonance imaging system, data processing apparatus, and method for generating magnetic resonance image

a radio frequency (RF) coil device includes a plurality of RF coil elements configured to generate an RF magnetic field, and a support member configured to support the plurality of RF coil elements so that at least one of the plurality of RF coil elements is movable.

Radio frequency (RF) coil device, magnetic resonance apparatus employing the RF coil device, and method of operating the RF coil device

An apparatus and method for compensating for an artifact of higher order diffusion Magnetic Resonance Imaging (MRI) are provided. The apparatus includes a construction unit configured to construct a diffusion q-space matrix, a correction unit configured to correct an image shift in a phase encoding direction in the constructed diffusion q-space matrix, a reconstruction processing unit configured to reconstruct a q-space of a Diffusion Spectrum Imaging (DSI) based on the corrected image shift, and a tracking processing unit to process a DSI fiber tracking using the reconstructed q-space of the DSI.

Growing community of inventors

Yongin-si, South Korea

Young Beom Kim