Abstract: A gaze estimation method includes receiving, by a processor, input data including a current image and a previous image each including a face of a user, determining, by the processor, a gaze mode indicating a relative movement between the user and a camera that captured the current image and the previous image based on the input data, and estimating, by the processor, a gaze of the user based on the determined gaze mode, wherein the determined gaze mode is one of a plurality of gaze modes comprising a stationary mode and a motion mode.

Abstract: An apparatus and method for detecting a fake fingerprint is disclosed. The apparatus may divide an input fingerprint image into blocks, determine an image quality assessment (IQA) value associated with each block, determine a confidence value based on the IQA values using a confidence determination model, and determine whether an input fingerprint in the input fingerprint image is a fake fingerprint based on the determined confidence value.

Abstract: A user authentication method using a fingerprint image, the user authentication method includes receiving at least a portion of a fingerprint image of a user; actuating a processor to divide the fingerprint image into a plurality of first sub-blocks; generate a set of input codes by encoding the first sub-blocks based on a coded model; measure a similarity between the set of the input codes and a set of registered codes included in a pre-registered binary codebook; and authenticate the user based on the similarity.

Abstract: A method of obtaining contact resistance values of a semiconductor package, the semiconductor package includes a package substrate, a semiconductor chip mounted on the package substrate, a molding member disposed on the package substrate to surround the semiconductor chip, and an electromagnetic interference (EMI) shielding layer disposed on side surfaces of the package substrate and on the molding member. The package substrate includes a substrate body having a first surface and a second surface which are opposite to each other, first to fourth upper interconnection patterns disposed on the first surface of the substrate body in a first region of the package substrate and in contact with the EMI shielding layer, and an interconnection structure disposed in a second region of the package substrate.

Abstract: The present invention provides a method of quantitatively analyzing a target substance, the method including a step of irradiating a biochip, which includes a plurality of target substances excluding a fluorescence-labeled material, with light; a step of acquiring a plurality of low-resolution images for a region including the plurality of target substances using an image sensor; a step of acquiring a high-resolution image based on the plurality of low-resolution images; and a step of counting the plurality of target substances in the high-resolution image; and a device for quantitatively analyzing a target substance using the method.

Abstract: A ship includes: a boil-off gas heat exchanger installed on a downstream of a storage tank and heat-exchanges a compressed boil-off gas (“a first fluid”) by a boil-off gas discharged from the storage tank as a refrigerant, to cool the boil-off gas; a compressor installed on a downstream of the boil-off gas heat exchanger and compresses a part of the boil-off gas discharged from the storage tank; an extra compressor installed on a downstream of the boil-off gas heat exchanger and in parallel with the compressor and compresses the other part of the boil-off gas discharged from the storage tank; a refrigerant heat exchanger which additionally cools the first fluid which is cooled by the boil-off gas heat exchanger; and a refrigerant decompressing device which expands a second fluid, which is sent to the refrigerant heat exchanger, and then sends the second fluid back to the refrigerant heat exchanger.

Abstract: A stack package includes a first sub-package and a second sub-package stacked on the first sub-package. The first sub-package includes a first semiconductor chip, a first through mold via (TMV) for connection that is spaced apart from the first semiconductor chip in an X-axis direction, a first TMV for bypass that is spaced apart from the first semiconductor chip in a Y-axis direction, and a redistribution line (RDL) pattern for connecting the first semiconductor chip to the first TMV for connection. The second sub-package includes a second semiconductor chip, a second TMV for connection that is spaced apart from the second semiconductor chip in the Y-axis direction, and another RDL pattern for connecting the second semiconductor chip to the second TMV for connection. The second sub-package stacked is stacked on the first sub-package such that the second TMV for connection is connected to the first TMV for bypass.

Abstract: Disclosed is a method of manufacturing a junctionless transistor based on vertically integrated gate-all-around multiple nanowire channels including forming vertically integrated multiple nanowire channels in which a plurality of nanowires is vertically integrated, forming an interlayer dielectric layer (ILD) on the vertically integrated multiple nanowire channels, forming a hole in the interlayer dielectric layer such that at least some of the vertically integrated multiple nanowire channels is exposed, and forming a gate dielectric layer on the interlayer dielectric layer to fill the hole, wherein the forming of the gate dielectric layer on the interlayer dielectric layer to fill the hole includes depositing the gate dielectric layer on the interlayer dielectric layer to surround at least some of the vertically integrated multiple nanowire channels which is exposed though the hole.

Abstract: A ship includes: a boil-off gas heat exchanger which is installed on a downstream of a storage tank and heat-exchanges a compressed boil-off gas (“a first fluid”) by a boil-off gas discharged from the storage tank as a refrigerant to cool the boil-off gas; a compressor installed on a downstream of the boil-off gas heat exchanger and compresses a part of the boil-off gas from the storage tank; an extra compressor which is installed on a downstream of the boil-off gas heat exchanger and in parallel with the compressor and compresses the other part of the boil-off gas from the storage tank; a refrigerant heat exchanger which additionally cools the first fluid; and a refrigerant decompressing device which expands a second fluid, which is sent to the refrigerant heat exchanger, and then sends the second fluid back to the refrigerant heat exchanger.

Abstract: Disclosed is a boil-off gas reliquefaction system for vessels. The BOG reliquefaction system for vessels includes: a multistage compressor compressing BOG; a heat exchanger cooling the BOG compressed by the multistage compressor through heat exchange using BOG not compressed by the multistage compressor as a refrigerant; a pressure reducer disposed downstream of the heat exchanger and decompressing a fluid cooled by the heat exchanger; and a bypass line through which BOG is supplied to the multistage compressor after bypassing the heat exchanger.

Abstract: A ship including a liquefied gas storage tank includes: first and second compressors which compresse a boil-off gas discharged from a storage tank; a boost compressor which compresses one part of the boil-off gas that is compressed by at least any one of the first compressor and/or the second compressor; a first heat exchanger which heat exchanges the boil-off gas compressed by the boost compressor and the boil-off gas discharged from the storage tank; a refrigerant decompressing device which expands the other part of the boil-off gas that is compressed by at least any one of the first compressor and/or the second compressor; a second heat exchanger which cools, by a fluid expanded by the refrigerant decompressing device as a refrigerant; and an additional compressor which is compresses the refrigerant that passes through the refrigerant decompressing device and second heat exchanger.

Abstract: A bearing assembly capable of supporting a shaft of a drum and a clothes dryer having the same. The bearing assembly includes a bearing configured to rotatably support the shaft, and a centering guide formed in an annular shape and in which the bearing is installed, and the bearing assembly having a centering function may be simply manufactured using a bearing that is generally used.

Abstract: Provided is a microchip for analyzing fluids, the microchip comprising a body that comprises an upper surface and a lower surface, wherein fluid flows to internal channels formed between the upper surface and the lower surface to detect a specific antigen in the fluid, wherein the internal channels comprise an input channel configured such that an assay sample is injected through a through hole penetrating the upper surface; a reaction channel configured to be in fluid communication with the input channel, to comprise magnetic particles on which a first antibody is immobilized, to comprise magnetic particles to which the first antibody, subjected to a first antigen-antibody reaction with the assay sample having flowed from the input channel, is immobilized, wherein the magnetic particles form immune complexes through the first antigen-antibody reaction, and to have a higher height than the lower surface forming the input channel; and a detection channel configured to be in fluid communication with the reactio

Abstract: A display device including a display panel including a substrate, pixels provided on the substrate, and first lines connected to the pixels, the display device having a bending area where the display panel is bent. The display panel also includes a chip on film overlapping with a portion of the display panel and having second lines, an anisotropic conductive film provided between the chip on film and the display panel connecting the first lines and the second lines, and a coating layer covering the bending area and one end of the chip on film. In such a device, lines of the chip on film may be prevented from being corroded as they may be spaced apart from an edge of an insulating film.

Abstract: An apparatus for training an image generative model and an image generating apparatus are provided. The apparatus generates output images from a plurality of input images based on the generative model, extracts depth features from the respective output images based on a depth classification model, calculates a depth loss from the extracted depth features, and trains the generative model based on an overall loss that includes the calculated depth loss.

Abstract: The present invention relates to a technology for a sensor network, machine to machine (M2M) communication, machine type communication (MTC), and the Internet of things (IoT). The present invention can be used for intelligent services (smart home, smart building, smart city, smart car or connected car, health care, digital education, retailing, security and safety related services, and the like) based on the technology. The present invention provides a method by which a node transmits a signal in a mesh network, the method comprising the steps of: transmitting a packet; receiving at least one packet transmitted from at least one peripheral node except for the node, after transmitting the packet; determining whether the at least one peripheral node has normally received the packet on the basis of the at least one packet; and retransmitting the packet if it is determined that it is necessary to retransmit the packet, on the basis of the determination result.

Abstract: Disclosed are a vertically-integrated 3-dimensional flash memory for improving a reliability of cells and a fabrication method thereof. The fabrication method of the vertically-integrated 3-dimensional flash memory includes sequentially stacking a first insulating layer and a second insulating layer on a substrate to form a plurality of insulating layers, etching a portion of the insulating layers to expose an area of the substrate, forming a channel layer on a side surface of the etched insulating layers and on the substrate, forming a first macaroni layer on the channel layer, and forming a second macaroni layer on the first macaroni layer such that a side surface and a lower surface of the second macaroni layer are surrounded by the first macaroni layer.

Abstract: A data recognition method includes: extracting a feature map from input data based on a feature extraction layer of a data recognition model; pooling component vectors from the feature map based on a pooling layer of the data recognition model; and generating an embedding vector by recombining the component vectors based on a combination layer of the data recognition model.

Abstract: A method for buffering data in an adaptive streaming service according to an embodiment of the present disclosure comprises the steps of: measuring a per-session throughput and an available bandwidth with respect to traffic generated from a streaming application; determining a number of multiple sessions based on the per-session throughput and the available bandwidth; determining a buffer size for pre-storing data based on a cache hit ratio of the streaming application; and generating at least one request message requesting data based on the number of multiple sessions and the buffer size, and transmitting the at least one request message to a server.

Abstract: A scroll compressor, and more particularly, to a scroll compressor including a communication groove which may decrease discharge resistance is provided. The scroll compressor may include a fixed scroll having a fixed end plate and a fixed wrap, and an orbiting scroll configured to perform an orbiting movement about the fixed scroll and having an orbiting end plate and an orbiting wrap. A communication groove in the form of a recessed groove may be formed in an inner surface of the orbiting end plate, and a refrigerant may flow through the communication groove according to a state in which the fixed wrap overlaps the communication groove such that there is an effect in that an opening efficiency of a discharge hole is improved at an initial stage of discharge.