Abstract: An example electronic device includes a housing; a touchscreen display; a microphone; at least one speaker; a button disposed on a portion of the housing or set to be displayed on the touchscreen display; a wireless communication circuit; a processor; and a memory. When a user interface is not displayed on the touchscreen display, the electronic device enables a user to receive a user input through the button, receives user speech through the microphone, and then provides data on the user speech to an external server. An instruction for performing a task is received from the server. When the user interface is displayed on the touchscreen display, the electronic device enables the user to receive the user input through the button, receives user speech through the microphone, and then provides data on the user speech to the external server.

Abstract: Various embodiments of the present invention relate to a method and a device for controlling the operation of an external device on the basis of various states of an electronic device when the external device having a cooling function is connected in the electronic device. The electronic device according to various embodiments of the present invention comprises: an interface for connection with the external device; and a processer electrically connected to the interface. The processor can detect connection of the external device by means of the interface, determine the state of the electronic device on the basis of at least the detection of the connection with the external device, and transmit a control signal relating to fan operation control of the external device to the external device by means of the interface on the basis of at least the state of the electronic device. Various embodiments are possible.

Abstract: Provided are a method of obtaining a water-fat separation image and a magnetic resonance imaging (MRI) apparatus including a controller configured to obtain first partial k-space data, second partial k-space data, and third partial k-space data, respectively based on a first partial echo signal, a second partial echo signal, and a third partial echo signal, which are magnetic resonance signals corresponding to a plurality of echo times with respect to an object, obtain first reconstruction image data, second reconstruction image data, and third reconstruction image data with respect to the object, respectively based on the first partial k-space data, the second partial k-space data, and the third partial k-space data, and obtain first water image data, first fat image data, and first phase image data of the object, respectively based on the first reconstruction image data, the second reconstruction image data, and the third reconstruction image data, by using a Dixon technique.

Abstract: The MRI apparatus includes a processor configured to apply a gradient echo pulse sequence that makes a sum of gradients applied during one repetition time (TR) in a slice selection direction, a phase encoding direction, and a frequency encoding direction equal zero and maintains spins in an object in a steady state; alternately apply, while the gradient echo pulse sequence is continuously applied, a first radio frequency (RF) pulse having a first flip angle and a second RF pulse having a second flip angle that is different from the first flip angle at each TR interval; and generate an MR image based on an echo signal acquired when the spins are in the steady state.

Abstract: An electronic device includes a display configured to display at least one content, a pressure sensor configured to sense a touch input having a pressure value of a specified value or more, a memory, and a processor operatively connected to the display, the pressure sensor, and the memory. When the touch input occurs in a first screen of the display, the processor is configured to determine an input location of the touch input, to verify content displayed at a display location of the first screen corresponding to the input location, to create a widget including information associated with the content, and to output the created widget to a second screen of the display.

Abstract: Provided are a method of obtaining a water-fat separation image and a magnetic resonance imaging (MRI) apparatus including a controller configured to obtain first partial k-space data, second partial k-space data, and third partial k-space data, respectively based on a first partial echo signal, a second partial echo signal, and a third partial echo signal, which are magnetic resonance signals corresponding to a plurality of echo times with respect to an object, obtain first reconstruction image data, second reconstruction image data, and third reconstruction image data with respect to the object, respectively based on the first partial k-space data, the second partial k-space data, and the third partial k-space data, and obtain first water image data, first fat image data, and first phase image data of the object, respectively based on the first reconstruction image data, the second reconstruction image data, and the third reconstruction image data, by using a Dixon technique.

Abstract: Various embodiments of the present invention relate to a method and a device for controlling the operation of an external device on the basis of various states of an electronic device when the external device having a cooling function is connected in the electronic device. The electronic device according to various embodiments of the present invention comprises: an interface for connection with the external device; and a processer electrically connected to the interface. The processor can detect connection of the external device by means of the interface, determine the state of the electronic device on the basis of at least the detection of the connection with the external device, and transmit a control signal relating to fan operation control of the external device to the external device by means of the interface on the basis of at least the state of the electronic device. Various embodiments are possible.

Abstract: A magnetic resonance imaging method and a magnetic resonance imaging apparatus using a parallel image reconstruction are disclosed. Some embodiments provide a magnetic resonance imaging apparatus including a receiving coil configured to receive a magnetic resonance (MR) signal through a plurality of channels, and an image information acquisition unit configured to acquire k-space data for each channel by undersampling an MR signal received from the receiving coil, and to perform an inverse Fourier transform on the k-space data for each channel, to generate a hybrid-space for each channel, and an image processing unit configured to apply a parallel image reconstruction, while sliding a unitary window to channel-by-channel hybrid-space data, within an area corresponding to the unitary window, and thereby reconstruct missing data.

Abstract: An electronic device includes a display configured to display at least one content, a pressure sensor configured to sense a touch input having a pressure value of a specified value or more, a memory, and a processor operatively connected to the display, the pressure sensor, and the memory. When the touch input occurs in a first screen of the display, the processor is configured to determine an input location of the touch input, to verify content displayed at a display location of the first screen corresponding to the input location, to create a widget including information associated with the content, and to output the created widget to a second screen of the display.

Abstract: A magnetic resonance imaging (MRI) apparatus includes a processor, and a memory storing a program including instructions that, when executed by the processor, cause the processor to acquire first data of a subsampled magnetic resonance (MR) image, acquire, based on a learning model using a neural network, first reconstructed data with respect to rows of pixels in a first phase encoding direction of the first data of the subsampled MR image, and obtain a reconstructed image corresponding to the subsampled MR image, using the first reconstructed data.

Abstract: A magnetic resonance imaging method and a magnetic resonance imaging apparatus using a parallel image reconstruction are disclosed. Some embodiments provide a magnetic resonance imaging apparatus including a receiving coil configured to receive a magnetic resonance (MR) signal through a plurality of channels, and an image information acquisition unit configured to acquire k-space data for each channel by undersampling an MR signal received from the receiving coil, and to perform an inverse Fourier transform on the k-space data for each channel, to generate a hybrid-space for each channel, and an image processing unit configured to apply a parallel image reconstruction, while sliding a unitary window to channel-by-channel hybrid-space data, within an area corresponding to the unitary window, and thereby reconstruct missing data.

Abstract: A magnetic resonance imaging apparatus includes a gradient magnetic field controller which applies a spatial encoding gradient to a plurality of slices and applies a gradient magnetic field in a first direction with respect to the plurality of slices, a radio frequency (RF) receiver which receives respective magnetic resonance signals from each of the plurality of slices undersampled in a second direction different from the first direction, and an image processor which generates a respective magnetic resonance image of each of the plurality of slices based on the magnetic resonance signals received from the plurality of slices.

Abstract: The MRI apparatus includes a processor configured to apply a gradient echo pulse sequence that makes a sum of gradients applied during one repetition time (TR) in a slice selection direction, a phase encoding direction, and a frequency encoding direction equal zero and maintains spins in an object in a steady state; alternately apply, while the gradient echo pulse sequence is continuously applied, a first radio frequency (RF) pulse having a first flip angle and a second RF pulse having a second flip angle that is different from the first flip angle at each TR interval; and generate an MR image based on an echo signal acquired when the spins are in the steady state

Abstract: A magnetic resonance imaging (MRI) apparatus includes a processor, and a memory storing a program including instructions that, when executed by the processor, cause the processor to acquire first data of a subsampled magnetic resonance (MR) image, acquire, based on a learning model using a neural network, first reconstructed data with respect to rows of pixels in a first phase encoding direction of the first data of the subsampled MR image, and obtain a reconstructed image corresponding to the subsampled MR image, using the first reconstructed data.

Abstract: A magnetic resonance imaging (MRI) apparatus includes a processor; and a memory connected to the processor and storing an instruction that, when executed by the processor, causes the processor to acquire a first magnetic resonance signal by applying a first pulse sequence to a plurality of slices of an object, acquire a second magnetic resonance signal by applying a second pulse sequence to the plurality of slices, and generate a multi-slice image, based on an average value of the acquired first magnetic resonance signal and the acquired second magnetic resonance signal.

Abstract: Provided is a magnetic resonance imaging (MRI) apparatus for generating an MR image based on a steady state free procession (SSFP) sequence. The MRI apparatus includes: a radio frequency (RF) controller configured to apply to an object a first RF pulse corresponding to a first slice and a second RF pulse corresponding to a second slice; a gradient magnetic field controller configured to control respective gradient magnetic fields in a first direction corresponding to the first and second RF pulses, from among spatial encoding gradients, to have opposite polarities with respect to each other; a data acquisition unit configured to acquire first and second MR signals corresponding to the first and second slices; and an image processor configured to generate first and second MR images corresponding to the first and second slices, respectively, based on the acquired first and second MR signals.

Abstract: The present invention relates to a system and method for processing a large scale graph using GPUs, and more particularly, to a system and method capable of processing larger-scale graph data beyond the capacity of device memory of GPUs using a streaming method. A large-scale graph processing system using GPUs according to an aspect of the present invention includes a main memory, device memories of a plurality of GPUs that process graph data transferred from the main memory; a loop controller that processes graph data transfer in a nested loop join scheme in the graph data transfer between the main memory and the device memory of the GPU, and a streaming controller that copies the graph data to the device memory of the GPU in a chunk or streaming manner using a GPU stream according to the nested loop join scheme.

Abstract: A printed circuit board includes a core insulating layer including an isotropic resin, a first circuit pattern filled in a circuit pattern groove at an upper portion or a lower portion of the core insulating layer, a first insulating layer provided in a top surface thereof with a circuit pattern groove and covering the first circuit pattern, and a second circuit pattern to fill the circuit pattern groove of the first insulating layer. A material, such as polyimide, having an isotropic structure is employed for the core insulating layer, thereby preventing the substrate from being bent without glass fiber. Since the glass fiber is not included, the buried pattern is formed at the upper portion or the lower portion of the core insulating layer, so that the thin substrate is fabricated.

Abstract: A printed circuit board includes an insulating substrate, a plurality of pads on a top surface of the insulating substrate, a protective layer formed on the insulating substrate and having an opening to expose top surfaces of the pads, a bump formed on at least one of the pads and protruding upward of a surface of the protective layer. The bump has a curved lateral side.

Abstract: An electronic device comprising: a first interface configured to connect to an external power supply device; a second interface configured to connect to a first external electronic device; and a control circuit operatively coupled to the first interface and the second interface, configured to: establish a first electrical path between the first interface and the second interface, when the first interface is connected to the external power supply device and the second interface is connected to the first external electronic device; disconnect the first electrical path; and provide a data signal to the first external electronic device while the first external device with power that is supplied by the external power supply device, wherein the data signal and the power are provided to the first external electronic device via the second interface.