Abstract: In one aspect, a processor determines a first set of video frames of a video based on a target video frame. The first set of video frames includes the target video frame, one or more frames of the video preceding the target video frame, and one or more frames of the video subsequent to the target video frame. The first set of video frames includes a sequence of video frames of the video. An encoder neural network executing on the processor encodes the first set of video frames of a video to generate a respective feature vector for each video frame in the first set. A decoder neural network executing on the processor decodes the feature vectors to generate a mask for the target video frame.

Abstract: Provided is a method for manufacturing yarn for a cell culture scaffold. The method includes: (1) preparing a ply yarn by twisting a plurality of fiber strands; and (2) partially untwisting at least one part of the ply yarn in the longitudinal direction in a direction opposite to a direction in which the fiber strands are twisted to implement a space which is formed by spacing apart of the adjacent fiber strands within the untwisted part. The fiber strand is spun yarn, filament yarn or slitting yarn.

Abstract: The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.

Abstract: A thermally adhesive fiber web implemented by including the steps of: (1) preparing respectively a first spinning solution in which a support component and a second spinning solution in which a thermally adhesive component; (2) performing electrospinning such that the first spinning solution is discharged to a portion of the end surface of a discharge port and the second spinning solution is discharged to the remaining portion, thereby accumulating side-by-side type thermally adhesive composite fibers having a diameter of less than 1 ?m; and (3) applying heat to the accumulated side-by-side type thermally adhesive composite fibers. The thermally adhesive fiber web enables easy interfacial bonding to a heterogeneous material with a different material and structural specification and prevents pores formed in an initial stage from being closed during thermal bonding.

Abstract: A backlight unit includes one or more light sources operable to emit light and a light guide plate arranged adjacent to the one or more light sources, reflected lights exiting the one or more light sources via the second surfaces and entering the light guide plate. A light source includes a light emitting device having a substrate and a semiconductor stack disposed on the substrate. The reflector is structured and positioned to block light emitted from a first surface of the light emitting device by reflecting the light emitted from the first surface toward second surfaces of the light source.

Abstract: There is provided an image decoding method comprising: deriving a first prediction value of a current block by using at least one sample included in a reference block, obtaining an illumination compensation parameter on the basis of a predetermined reference region, deriving a second prediction value of the current block by applying the illumination compensation parameter to the first prediction value and reconstructing the current block on the basis of the second prediction value.

Abstract: Embodiments are disclosed for a method including obtaining a region of interest of a current frame of a video sequence depicting an object. The method may further include determining, by a mask propagation model, a likelihood of each pixel of the current frame being associated with the object in the region of interest of the current frame based on the region of interest of the current frame and a fixed number of previous frames of the video sequence including the object. The method may further include replacing a previous frame of the fixed number of previous frames with the current frame. The method may further include displaying the current frame of the video sequence including a masked object in the region of interest of the current frame based on the likelihood of one or more pixels of the current frame being associated with the object.

Abstract: Provided is an apparatus and method for encoding/decoding a moving picture based on adaptive scanning. The moving picture apparatus and method can increase a compression rate based on adaptive scanning by performing intra prediction onto blocks of a predetermined size, and scanning coefficients acquired from Discrete Cosine Transform (DCT) of a residue signal and quantization differently according to the intra prediction mode. The moving picture encoding apparatus includes: a mode selector for selecting and outputting a prediction mode; a predictor for predicting pixel values of pixels to be encoded of an input video based on the prediction mode to thereby output a residue signal block; a transform/quantization unit for performing DCT onto the residue signal block and quantizing the transformed residue signal block; and an encoder for adaptively scanning and encoding the quantized residue signal block based on the prediction mode.

Abstract: Embodiments are disclosed for performing universal segmentation to mask objects across multiple frames of a video. The method may include determining an image segmentation mask which masks an object of a frame of a video sequence using the frame and an image segmentation module of a segmentation system. The method further includes determining a mask propagation mask which masks the object of the frame of the video sequence using the frame, a representation of a previous frame of the video sequence, and a mask propagation module of the segmentation system. The method further includes determining a frame mask which masks the object of the frame of the video sequence based on a comparison of the image segmentation mask and the mask propagation mask. The method further includes displaying the frame mask of the video sequence.

Abstract: A collision accident response system for a vehicle includes: a transparent glass attached to a front surface of the vehicle; a transparent pressure sensor film attached to a rear surface of the transparent glass; and a control unit embedded in the vehicle. The control unit is configured to determine a height and a collision strength of a collision object by a collision pressure detected by the transparent pressure sensor film. As a result, the collision accident response system for a vehicle enables a rapid and accurate response to collision accidents in vehicles equipped with the front glass.

Abstract: There are provided an apparatus, method, system, and recording medium for performing selective encoding/decoding on feature information. An encoding apparatus generates residual feature information. The encoding apparatus transmits the residual feature information to a decoding apparatus through a residual feature map bitstream. The residual feature information is the difference between feature information extracted from an original image and feature information extracted from a reconstructed image. Feature information of the reconstructed image is generated using the reconstructed image. Reconstructed feature information is generated using the feature information of the reconstructed image and reconstructed residual feature information.

Abstract: In one example, an electronic device includes a substrate including a substrate outer side, a substrate inner side, a dielectric structure, and a conductive structure. An electronic component includes an upper side, a lower side opposite to the upper side and coupled to the substrate inner side; a lateral side connecting the upper side to the lower side; and a conductor on the upper side. A cover structure includes sidewalls coupled to the substrate inner side and an upper wall coupled to the sidewalls and comprising an inner side spaced apart from the conductor. A thermal interface material (TIM) contacts and is interposed between the conductor and the inner side of the upper wall. The TIM covers the conductor and the lateral side of the electronic component. Other examples and related methods are also disclosed herein.

Abstract: The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.

Abstract: A bioreactor for suspended cells is provided. The bioreactor for suspended cells comprises: a housing which is formed in the shape of a container having a culture space with a predetermined volume, and which comprises pots for seeding; a support assembly comprising a plurality of supports arranged at intervals in multiple stages in one direction of the housing; at least one gas inlet penetrating the housing by a predetermined area; and a porous member for covering the gas inlet, wherein the culture space comprises a medium storage space filled with a predetermined amount of a medium so that all the plurality of supports are submerged therein, and the medium storage space can comprise a plurality of cell growth spaces divided through the plurality of supports arranged at intervals in multiple stages.

Abstract: A method is described for generating and transmitting a frame by a station (STA). The method includes determining a bandwidth of a frame to be transmitted by the STA, generating a long training field for the frame, the long training field including a set of pilot tones located at a set of subcarrier positions, and transmitting the frame with the long training field to a recipient. In response to the bandwidth of the frame is 10 MHz, the set of subcarrier positions includes four subcarrier positions. In response to the bandwidth of the frame is 20 MHz, the set of subcarrier positions includes six subcarrier positions.

Abstract: A method includes receiving a frame depicting an object. The frame is one frame of a plurality of frames of a video sequence. The method further includes encoding a plurality of tokens of the frame. Each token is a representation of a grid of pixels of the frame. The method further includes selecting a subset of tokens for decoding based on a likelihood of a token satisfying a confidence threshold. The token satisfies the confidence threshold based on a confidence score of the token including a past object in a past frame. The method further includes decoding the subset of tokens using a decoder.

Abstract: A backlight unit includes one or more light sources operable to emit light and a light guide plate arranged adjacent to the one or more light sources, reflected lights exiting the one or more light sources via the second surfaces and entering the light guide plate. A light source includes a light emitting device having a substrate and a semiconductor stack disposed on the substrate. The reflector is structured and positioned to block light emitted from a first surface of the light emitting device by reflecting the light emitted from the first surface toward second surfaces of the light source.

Abstract: A bioreactor for suspension cells is provided. The bioreactor for suspension cells may comprise: a frame unit; a driving unit mounted on the frame unit, and a cell culture unit including a housing having an inner space filled with a medium containing suspension cells, and a plurality of supports disposed in multiple stages in the inner space to be spaced at intervals from each other, the cell culture unit having one end axially coupled to the driving unit.

Abstract: An unmanned charging device and method for a smart logistics vehicle are disclosed. The unmanned charging device includes a charging body configured to enable a mobile robot to dock therewith and having an inner space, and a charging terminal unit inserted into the inner space of the charging body and having a front support at a front side thereof, the charging terminal unit being configured to enable charging of the mobile robot. When the mobile robot approaches the charging body in response to reception of a charging request, a sensing unit of the mobile robot is supported by the front support, thereby causing the mobile robot to be adjusted in position. Docking of the mobile robot with the charging terminal unit is performed in a position-adjusted state of the mobile robot.

Abstract: A method of providing a vehicle with information of an incoming message using a tactile signal is provided. The method includes receiving the incoming message at the vehicle, selecting a type of the tactile signal among different types of tactile signals depending on the information of the received incoming message to transform the incoming message to the selected type of the tactile signal, and transforming the information of the incoming message into the selected type of the tactile signal and providing the information of the incoming message via the selected type of the tactile signal in the vehicle by a tactile signal operator.