Abstract: A method for controlling a controlled electronic device by using an electronic device includes storing a group operation command including attribute information and operation information, the attribute information and the operation information corresponding to at least one controlled electronic device; and when the electronic device enters a network, transmitting the group operation command to at least one of a gateway, configured to manage the network, and at least one first controlled electronic device that is determined to correspond to the group operation command in the network, to perform an operation based on the operation information included in the group operation command.

Abstract: A system and method of controlling data transmission from a device connected to a gateway includes: determining a resource utilization rate of the gateway, and determining a data processing method of the device in accordance with the utilization rate of the gateway.

Abstract: A server and a method of controlling a group action of the server are provided. The server can determine whether a conflict occurs between a first group action that is being executed and a second group action that is requested to be executed and determine at least one conflict solution, and the method controls the execution of the group actions by the server and the determination and communication of the conflict solution. The conflict can be determined by using group action characteristics of the first group action and the second group action.

Abstract: A circuit for digital-to-analog conversion using a plurality of 3-level cells includes a circuit for digital-to-analog conversion using a plurality of 3-level cells mutually independently providing positive electricity, providing negative electricity, or floating. The circuit including a preprocess circuit and a shift circuit. The preprocess circuit is configured to receive thermometer code data generated from signed binary data and generate a shift count for shifting a cell pointer pointing to one of the plurality of 3-level cells for dynamic element matching (DEM) from the thermometer code data. The shift circuit is configured to store the cell pointer and shift the stored cell pointer according to the shift count. The shifted cell pointer is shifted in proportion to an absolute value of the binary data in a direction depending on a sign of the binary data.

Abstract: A server, method and apparatus for providing collaboration services are provided. The server includes a memory configured to store computer executable instructions, and a processor configured to process the computer executable instructions to provide a screen including a first area displaying a video of a user and a second area displaying an editable document. The processor is further configured to process the computer executable instructions to receive a selection of a point in time of the video, and provide the editable document in a state corresponding to the selected point in time of the video.

Abstract: A server, method and apparatus for providing collaboration services are provided. The server includes a memory configured to store computer executable instructions, and a processor configured to process the computer executable instructions to provide a screen including a first area displaying a video of a user and a second area displaying an editable document. The processor is further configured to process the computer executable instructions to receive a selection of a point in time of the video, and provide the editable document in a state corresponding to the selected point in time of the video.

Abstract: A system and method of controlling data transmission from a device connected to a gateway includes: determining a resource utilization rate of the gateway, and determining a data processing method of the device in accordance with the utilization rate of the gateway.

Abstract: A grouping method of User Equipment (UE) is provided. The grouping method includes transmitting, to a server, relational data stored in the UE using a first communication mode, and receiving, from the server, generated group information based on relational data of a plurality of UEs, wherein, in response to the first communication mode being unusable, communication is performed using a second communication mode.

Abstract: A system and method of controlling data transmission from a device connected to a gateway includes: determining a resource utilization rate of the gateway, and determining a data processing method of the device in accordance with the utilization rate of the gateway.

Abstract: A method for controlling a controlled electronic device by using an electronic device includes storing a group operation command including attribute information and operation information, the attribute information and the operation information corresponding to at least one controlled electronic device; and when the electronic device enters a network, transmitting the group operation command to at least one of a gateway, configured to manage the network, and at least one first controlled electronic device that is determined to correspond to the group operation command in the network, to perform an operation based on the operation information included in the group operation command.

Abstract: Provided are a method of controlling a device providing communication service, and a device capable of the method. The method of providing a communication service in a first device includes: receiving device information of a second device; generating context information of the first device; transmitting, to a server, the context information of the first device and a request for list of executable services of the first device; receiving, from the server, a list of executable services of the first device as a response to the request; and determining at least one service from the list of executable services of the first device.

Abstract: A server and a method of controlling a group action of the server are provided. The server can determine whether a conflict occurs between a first group action that is being executed and a second group action that is requested to be executed and determine at least one conflict solution, and the method controls the execution of the group actions by the server and the determination and communication of the conflict solution. The conflict can be determined by using group action characteristics of the first group action and the second group action.

Abstract: A method of obtaining a Doppler image of tissue which is captured using an ultrasonic wave. The method includes: transmitting an ultrasonic signal to a target object such that a plurality of ensembles are formed and receiving an ultrasonic response signal from the target object. The method further includes filtering the received ultrasonic response signal by using a variable filter and estimating a frequency of the received ultrasonic response signal based on the filtered data. Thereafter, the Doppler image of the tissue based on the estimated frequency can be generated.

Abstract: Provided is an ultrasound diagnosis apparatus including: a data acquisition unit configured to acquire color Doppler data from a region of interest (ROI) of an object; a blood flow information extractor configured to analyze a change in blood flow with respect to time based on the acquired color Doppler data and extract blood flow information based on the change in blood flow; and a display configured to display the extracted blood flow information.

Abstract: Disclosed is an ultrasound image processing method. The ultrasound image processing method includes generating an ultrasound image indicating a region of interest (ROI) by using echo signals which corresponds to ultrasound waves irradiated onto the ROI, sequentially setting respective indexes in a plurality of blood flows included in the ROI detected based on the ultrasound image, determining blood flow corresponding to a selected index, based on an external signal for selecting one of the set indexes, and displaying information corresponding to the determined blood flow.

Abstract: A host device and a method of communicating with a plurality of devices are provided. The method includes operations of searching for devices that are communicatable with the host device, generating routing paths connected to a wearable device via devices found by the host device, selecting one of the routing paths according to a preset reference, and communicating with the wearable device via at least one of the found devices included in the selected routing path, wherein the preset reference includes a first reference that is set according to a service executed by the host service, or includes a second reference that is set according to a security level of each of the found devices.

Abstract: Provided are an ultrasound diagnosis apparatus and method of operating the same. The ultrasound diagnosis apparatus includes: a data acquisition unit configured to acquire flow data in real-time from a region of interest (ROI) of an object; a parameter setting unit configured to analyze a change in blood flow based on the flow data acquired in real-time and set a parameter according to the analyzed change in blood flow; an image generator configured to generate a color flow image of the ROI by applying the set parameter to the flow data; and a display configured to display the color flow image.

Abstract: There are provided embodiments for providing a color Doppler image based on qualification curve information. In one embodiment, an ultrasound system comprises: an ultrasound data acquisition unit configured to acquire ultrasound data corresponding to a living body including a moving target object; a storage unit for storing qualification curve information for determining blood flow signals of the target object, clutter signals and noise based on velocity and power components of Doppler signals; and a processing unit configured to form first Doppler signals based on the ultrasound data, perform a clutter filtering process upon the first Doppler signals to form second Doppler signals, calculate velocity and power components of the second Doppler signals, form a color Doppler image based on the calculated velocity and power components, and perform a blending process upon the color Doppler image based on the calculated velocity and power components and the qualification curve information.

Abstract: A system and method of controlling data transmission from a device connected to a gateway includes: determining a resource utilization rate of the gateway, and determining a data processing method of the device in accordance with the utilization rate of the gateway.

Abstract: A server, method and apparatus for providing collaboration services are provided. The server includes: at least one memory comprising computer executable instructions; and at least one processor configured to process the computer executable instructions to provide a screen comprising a first area for displaying a video of a user and a second area for providing an editable document, and configured to receive a selection corresponding to a point in time of the video and provide the editable document in a state that corresponds to the selected point in time of the video or receive a selection of an edit of the editable document and reproduce the video from a point in time corresponding to the selected edit.