Abstract: A mattress assembly includes: an air pocket unit configured to contain air; a pressure regulator for controlling the air pocket unit; and a body unit accommodating the air pocket unit and the pressure regulator. The body unit includes: a frame part having a top side open to provide an accommodation space for accommodating the air pocket unit and the pressure regulator; and a cover part disposed on the frame part to cover the accommodation space. The cover part includes; a first area formed to be relatively movable with respect to the frame part and covering or exposing the pressure regulator; and a second area disposed adjacent to the first area and fixed to the frame part. The first area faces an upper edge of the frame part when covering the pressure regulator.

Abstract: Methods and systems for adjacent channel leakage ratio (ACLR) measurement are provided by synchronizing the signal of the measurement object in the measurement band (five times the target signal bandwidth) and adjusting the time for the measurement pattern in a time division duplex (TDD) system. When two signals from different providers are present in a band other than the measurement target band (in vicinity of the target signal), the noise of the band is measured and displayed using the Guard Period (GP) section. The output of the target band and characteristics of noise may also be evaluated in other bands. In bands other than the measurement target band, measurements are made according to the measured time (output time) of the target signal and the noise portion is extracted from the measured data.

Abstract: Methods and systems for adjacent channel leakage ratio (ACLR) measurement in a cellular network are provided by creating a measurement timing for a symbol or signal transmitted from a base station of the cellular network in an allocated frequency band, measuring power levels of the signal in the allocated frequency band based on the created measurement timing, and measuring power levels in adjacent bands based on the created measurement timing, and deriving the ACLR measurement from the measured power levels in the allocated frequency band and the measured power levels in the adjacent bands.

Abstract: Provided is a method and apparatus for measuring fat content using a computed tomography (CT) image. The fat content measurement apparatus trains a fat prediction model by using learning data including a CT image or noise image for learning and generates a fat distribution image to be used for fat content measurement by the fat prediction model having completed learning upon receiving a CT image for diagnosis.

Abstract: An aspect of the present disclosure discloses a method for diagnosing a network performance in an apparatus for diagnosing network performance connected to a switching device provided between a first entity and a second entity. The method may include: obtaining at least one mirrored packet for at least one packet transmitted between the first entity and the second entity based on mirroring from the switching device, calculating performance related indicator representing performance of a network service associated with the first entity and the second entity based on at least a part of information included in the at least one mirrored packet, and storing the calculated performance related indicators.

Abstract: An image segmentation method and apparatus are provided. The image segmentation apparatus inputs an image into a deep learning model to obtain a plurality of probability maps, and, based on the plurality of probability maps, identifies a plurality of objects in the image. Here, the plurality of probability maps include prediction values of the deep learning model indicating a probability that each pixel of the image belongs to a plurality of combinations defined as regions of at least two objects among the plurality of objects.

Abstract: A mattress assembly includes an air pocket, a flow channel, pumps for making air flow into the air pocket, a valve that regulates the air flow in the flow channel and air pocket, and a controller for controlling the pump and the valve so that the hardness of the air pocket changes. The flow channel includes first and second injection flow path members that provide passages for making the air flow from first and second pumps to a first and second air pockets, respectively, and an air flow path which communicates with the first and second injection flow path members. The valve includes a flow path valve for opening and closing the air flow path, and the controller controls the pump and the flow path valve so that the hardness of at least one of the first air pocket or the second air pocket changes.

Abstract: An antenna package according to an embodiment includes an antenna device and a flexible circuit board. The antenna device includes a dielectric layer, a first antenna unit arranged on the dielectric layer and a second antenna unit arranged on the dielectric layer to be physically and electrically separated from the first antenna unit. The printed circuit board is coupled to the antenna device to be electrically connected to the first antenna unit, and electrically separated from the second antenna unit.

Abstract: Proposed are a method and an apparatus for detecting the diameter of a tubular structure in a medical image. The apparatus may identify the tubular structure in a two-dimensional or three-dimensional medical image, and calculate a distance map indicating a distance from each point inside the tubular structure to a boundary of the tubular structure. The apparatus may also calculate central points, based on a gradient of a distance value in the distance map, and connect the central points to create a center line. The apparatus may further obtain the diameter of the tubular structure for each location by determining a distance between the center line and the boundary of the tubular structure in a direction perpendicular to the center line.

Abstract: An embodiment of the present disclosure relates to a method for optimizing beam-pointing in a wireless optical communication system may comprise receiving, from an optical reception device by an optical transmission device, information related to power of a light, which is transmitted from a specific transmission terminal among one or more transmission terminals of the optical transmission device and is received by one or more reception terminals of the optical reception device on the basis of coordinate values associated with the one or more reception terminals; determining, by the optical transmission device, coordinate values which maximize a signal-to-noise ratio on the basis of the determined power of the received light; and transmitting a beam from the specific transmission terminal toward the optical reception device by the optical transmission device on the basis of the determined coordinate values.

Abstract: Improved and accurate electromagnetic field (EMF) measurements of cellular network components such as a base station are performed by establishing a maximum network throughput connection with the desired base station, measuring a synchronization signal between the base station and a user equipment, and determining downlink location (e.g., from System Information Block 1 “SIB1”). Next, a resource block for a basic frame may be configured using timing information of the measured synchronization signal and a bandwidth part (BWP) to be measured in the configured resource block may be selected. The BWP may be selected based on the downlink location in some examples. Alternatively, a BWP corresponding to the maximum traffic may be selected. The EMF measurement may be performed for the configured resource block (selected BWP).

Abstract: An aspect of the present disclosure discloses a method for diagnosing the performance of a 5G-based network by a network performance diagnosis device connected to a switching device connected to the 5G-based network. The method comprises the steps of: obtaining at least one mirrored packet for at least one packet transceived from/to a user terminal connected to at least one base station on the basis of mirroring from the switching device; calculating performance-related indicators representing the performance of a network associated with the user terminal and the at least one base station on the basis of at least part of information included in the at least one mirrored packet; and determining whether the 5G-based network operates normally, on the basis of the performance-related indicators.

Abstract: Provided is a lung region segmentation method and apparatus. The lung region segmentation apparatus extracts a lung region from a two-dimensional (2D) medical image upon input of the 2D medical image, adjusts a size of a mask resembling the lung region, and extracts a peripheral region by removing a region corresponding to the mask from the lung region. The lung region segmentation apparatus further performs a process of extracting a vascular region from the peripheral region.

Abstract: A method, apparatus, system, and non-transitory computer readable medium for controlling user access through content analysis of an application are disclosed. The method for controlling access may include understanding a public level according to honorific language use by analyzing chat contents for each chat partner registered in an application, by the at least one processor; and controlling user access to the application based on the public level for each chat partner, by the at least one processor.

Abstract: A universal joint configured to reduce the steering friction by decreasing the bending torque of a yoke. The universal joint includes a body portion formed at one end of a yoke for a shaft to be coupled thereto, a wing portion formed at the other end of the yoke for a bearing to be pressed thereinto, and a rigidity-weakening portion formed in a shape of a reduced cross-sectional area in a portion extending from the body portion to the wing portion.

Abstract: Disclosed is an apparatus based on wireless optical communication, which may include: a light source outputting light; an optical circulator outputting the light in at least one direction; a collimator converting and outputting the light output through the optical circulator into a parallel beam; an optical regulator reflecting the light converted into the parallel beam, and transferring the reflected light to an external apparatus, and receiving the reflected light from the external apparatus, the reflected light being light output by reversely reflecting the light by the external apparatus; an optical detector converting the reflected light into an electric signal to generate an optical signal; and a controller analyzing the optical signal and acquiring an intensity of the reflected light, and calculating central coordinate information of the external apparatus based on the intensity value of the reflected light.

Abstract: The present disclosure relates to a system for providing an interactive participation-type drawing making service, which provides a remote drawing making service that is capable of real-time interaction between a first user and a second user in a contactless environment, wherein the system includes: a first terminal that is capable of inputting a first event signal of the first user; a second terminal that is capable of inputting a second event signal of the second user; a control part that constructs a network with the first and second terminals and a web, generating a server module for using a pre-stored drawing making program while undergoing communication, reflects all of each data resulting from real-time input of the first and second event signals to the drawing making program in real time, when both of the first and second terminals connect to the generated server module, and controls a preset alarm signal so as to be output in response to a result of reflection; and an alarm part that is equipped to t

Abstract: An antenna package according to an embodiment of the present invention includes a printed circuit board, a rear antenna unit disposed at an upper portion of the printed circuit board. The rear antenna unit may be directly mounted on the printed circuit board or integrated with the printed circuit board, and a front antenna unit disposed at a bottom side of the printed circuit board and electrically connected to the printed circuit board. The rear antenna unit and the front antenna unit are packaged using the printed circuit board to improve a radiation coverage and reliability.

Abstract: Provided are a method and apparatus for generating an image reconstruction model and an image reconstruction method and apparatus using the image reconstruction model. The image reconstruction apparatus extracts, through an encoder configured to extract a structure and a texture, a structure and a texture of each of a first medical image and a second medical image and generates, through a decoder configured to reconstruct an image based on a structure and a texture, a third medical image in which the texture of the second medical image is combined with the structure of the first medical image.

Abstract: A semiconductor device is provided. The semiconductor device includes a substrate including a first region and a second region surrounding the first region, a collector extending in a first direction in the first region of the substrate, an emitter that is spaced apart from the collector in a second direction and extends in the first direction, in the first region of the substrate, a floating region that is disposed between the collector and the emitter and extends in the first direction, in the first region of the substrate, a first device separation region between the floating region and the collector in the first region of the substrate, a second device separation region between the floating region and the emitter in the first region of the substrate and a base disposed in the second region of the substrate, wherein the floating region is not connected to an element including a conductor.