Abstract: The present disclosure is directed to enable an artificial intelligence (AI) service in a machine-to-machine (M2M) system, and a method for operating a first device may include transmitting a first message for requesting to generate a resource associated with training of an artificial intelligence model to a second device, transmitting a second message for requesting to perform the training based on the resource to the second device, receiving a third message for notifying completion of the training of the artificial intelligence model from the second device, and performing a predicting operation using the trained artificial intelligence model.

Abstract: A method for decoding an image signal according to the present invention may comprise the steps of: determining whether there is a brightness change between a current image including a current block and a reference image of the current image; if it is determined that there is a brightness change between the current image and the reference image, determining weight prediction parameter candidates for the current block; determining a weight prediction parameter for the current block on the basis of index information which specifies any one of the weight prediction parameter candidates; and performing a prediction on the current block on the basis of the weight prediction parameter.

Abstract: Embodiments of the present disclosure are directed to forwarding a large amount of data in a machine-to-machine (M2M) system, and a method for operating a first device may include: transmitting, to a second device, a request message for bulk data transfer; and receiving, from the second device, an acknowledgment message for notifying completion of the bulk data transfer, wherein the request message may include at least one of information for identifying data to be included in bulk data, information on a target common service entity (CSE) in a target platform that receives the bulk data, information for indicating processing of source data after the bulk data transfer, and information for accessing the target CSE.

Abstract: Disclosed is a positive electrode material for a lithium secondary battery. The positive electrode material includes a positive electrode active material formed of Li—[Mn—Ti]-M-O-based material including a transition metal (M) to enable reversible intercalation and deintercalation of lithium and molybdenum oxide. The positive electrode active material is coated with the molybdenum oxide to form a coating layer on a surface thereof.

Abstract: Disclosed are an apparatus for generating a user's virtual observation and a method thereof.

Abstract: A method and an apparatus for encoding/decoding an image according to the present invention may determine a reference area that is a pre-reconstructed area spatially adjacent to a current block on the basis of reference information for specifying the position of a reference area used for predicting a current block and may predict the current block on the basis of the reference area.

Abstract: The present invention relates to an image encoding/decoding method and apparatus. An image encoding method according to the present invention may comprise generating a transform block by performing at least one of transform and quantization; grouping at least one coefficient included in the transform block into at least one coefficient group (CG); scanning at least one coefficient included in the coefficient group; and encoding the at least one coefficient.

Abstract: The present invention relates to a method and apparatus for handling personal data in a machine-to-machine (M2M) system, and an operation method of an M2M device includes obtaining information related to consent of a user for personal data provided from an Internet of things (IoT) device and creating a consent-related resource based on the information. The resource includes at least one attribute related to the consent.

Abstract: The present invention discloses a method for constructing a tile structure, wherein a current picture includes at least two or more tiles, the at least two or more tiles are split by a column splitting and a row splitting, at least one or more of the column splitting and the row splitting are performed by using a splitting length which is shorter than a width length or a height length of the current picture.

Abstract: A multilevel selective rendering method for increasing rendering performance, includes: setting a multilevel threshold for a current tile in a rendering process for an image frame divided into a plurality of tiles; generating initial sampling blocks by performing initial sampling for the current tile; generating first level blocks by performing first level selective rendering according to a first level threshold of the multilevel threshold based on the initial sampling blocks; generating second level blocks by performing second level selective rendering according to a second level threshold of the multilevel threshold based on the first level blocks; and initiating the multilevel selective rendering for a next tile of the current tile when multilevel selective rendering for the current tile is completed through repetition of level-specific selective renderings.

Abstract: There is provided an image encoding/decoding method and apparatus. An image decoding method according to the present invention may comprise reconstructing a most frequent mode (MFM) indicator indicating whether or not an intra prediction mode of a current block is a predetermined intra prediction mode, deriving, on the basis of the MFM indicator, the intra prediction mode of the current block, and generating a prediction block of the current block by performing intra prediction on the current block on the basis of the intra prediction mode.

Abstract: The present invention provides an image encoding method and an image decoding method. The image encoding method of the present invention comprises: a first dividing step of dividing a current image into a plurality of blocks; and a second dividing step of dividing, into a plurality of sub blocks, a block, which is to be divided and includes a boundary of the current image, among the plurality of blocks, wherein the second dividing step is recursively performed by setting a sub block including the boundary of the current images as the block to be divided, until the sub block including the boundary of the current image does not exist among the sub blocks.

Abstract: The present invention provides an image encoding method and an image decoding method. The image encoding method of the present invention comprises: a first dividing step of dividing a current image into a plurality of blocks; and a second dividing step of dividing, into a plurality of sub blocks, a block, which is to be divided and includes a boundary of the current image, among the plurality of blocks, wherein the second dividing step is recursively performed by setting a sub block including the boundary of the current images as the block to be divided, until the sub block including the boundary of the current image does not exist among the sub blocks.

Abstract: A method for decoding/encoding an image signal with the decoding/encoding apparatus according to the present invention may comprise the steps of: generating a first prediction sample of a current block, determining a weight prediction parameter set of the current block by using a predetermined reference region, the reference region being a region reconstructed before the current block and including a neighboring region spatially adjacent to the current block, and generating a second prediction sample of the current block by applying the weight prediction parameter set to the first prediction sample. Herein, the neighboring region is determined based on information signaled from a bitstream, and the information specifies a position of the neighboring region and is used to determine the weight prediction parameter set.

Abstract: A wireless optical charging system according to the present invention includes a transmitter which transmits a laser beam as light with an energy increased by the resonance; and a receiving unit which receives light transmitted from the transmitter and converts an energy for some light among the received light into an electric energy to charge devices. Accordingly, the laser resonance power transfer technology is used to solve the limitation of the distance and harmfulness to the human body.

Abstract: The present invention provides an image encoding method and an image decoding method. The image encoding method of the present invention comprises: a first dividing step of dividing a current image into a plurality of blocks; and a second dividing step of dividing, into a plurality of sub blocks, a block, which is to be divided and includes a boundary of the current image, among the plurality of blocks, wherein the second dividing step is recursively performed by setting a sub block including the boundary of the current images as the block to be divided, until the sub block including the boundary of the current image does not exist among the sub blocks.

Abstract: A visual attention-based ray tracing method includes: determining whether each sampling pixel hits a primary ray during a process of generating a first image by rending a specific scene at a first resolution; and performing selective rendering repeatedly on candidate pixels existing between the sampling pixels during a process of generating a second image by rendering the first image at a second resolution higher than the first resolution through adaptive adjustment of a threshold due to hit frequencies of neighboring pixels.

Abstract: A visual attention-based ray tracing method includes: determining a central position of a specific scene during generation of a first image by rendering the specific scene at a first resolution; and performing selective rendering repeatedly on candidate pixels existing between sampling pixels through adaptive adjusting of a threshold due to a distance from the central position during generation of a second image by rendering the first image at a second resolution higher than the first resolution.

Abstract: The present invention relates to an image encoding/decoding method and apparatus. The image decoding method according to the present invention may comprise acquiring transform coefficients distribution information of a neighboring block from a bitstream; direction-adaptively determining an intra prediction mode of a current block to be decoded, according to the transform coefficients distribution information of the neighboring block; and reconstructing the current block, based on the determined intra prediction mode, wherein the direction-adaptively determining includes determining similarity flag information corresponding to the neighboring block, based on the transform coefficients distribution information of the neighboring block.

Abstract: A location verification system according to an embodiment of the present disclosure includes a plurality of base stations located in respective preset areas and transmitting, to an adjacent mobile communication device, location verification information obtained by signing GPS information on the base stations with a private key. It is possible to expect an effect of re-verifying a location of a mobile communication device, such as a drone or a smart car, at a destination, when the mobile communication device has moved to the destination based on GPS information.