Abstract: Disclosed herein is a method of decoding an image. The method includes generating an inter prediction block by performing inter prediction with respect to a current block, generating an intra prediction block by performing intra prediction with respect to the current block, determining a first weight and a second weight, and generating a final prediction block by respectively applying the first weight and the second weight to the inter prediction block and the intra prediction block. The generating of the intra prediction block includes generating the intra prediction block using a predefined intra prediction mode.

Abstract: An electronic apparatus may include a processor configured to sign content being inputted in response to a input by a first user of the electronic apparatus using authentication information of the first user, a display configured to visualize a graphic representation indicating the signed content by applying an authentication representation corresponding to the authentication information to the graphic representation in response to the signing being successful, and a communicator configured to transmit the signed content to another electronic apparatus of a second user.

Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus, and more particularly, a method and apparatus for performing filtering in video encoding and decoding. An encoding apparatus may perform filtering on a target, and may generate filtering information indicating whether filtering has been performed on the target. Further, the encoding apparatus may generate a bitstream including filtering information. A decoding apparatus may determine, based on filtering information, whether to perform filtering on a target, and may perform filtering on the target. The decoding apparatus may receive filtering information from the encoding apparatus through a bitstream or may derive filtering information using additional information.

Abstract: Disclosed herein is a method of decoding an image. The method includes generating an inter prediction block by performing inter prediction with respect to a current block, generating an intra prediction block by performing intra prediction with respect to the current block, determining a first weight and a second weight, and generating a final prediction block by respectively applying the first weight and the second weight to the inter prediction block and the intra prediction block. The generating of the intra prediction block includes generating the intra prediction block using a predefined intra prediction mode.

Abstract: A method and apparatus for operating an instant messaging server are disclosed. The method for operating an instant messaging server according to an example embodiment includes managing a message sent and received through a first chat room of a messenger application, managing a message sent and received through a second chat room of a 3rd party application receiving support a chat function through the instant messaging server, identifying a user account of an instant messaging service (IMS) linked with a user account of the 3rd party service participating in the second chat room, and providing, based on the identified user account of the IMS, the second chat room of the 3rd party application to the messenger application.

Abstract: Disclosed are a server for providing a profile and a profile providing method performed by the server. A profile providing method performed by a server according to an example embodiment includes adding an interfacing object indicating that a user account is identity-verified to a profile interface of the user account, in accordance with the user account which is identity-verified, providing the profile interface including the interfacing object to another user account, in response to a request of the profile received from another user account, checking whether another user account is identity-verified in response to a request of certificate information of the user account received from another user account, and providing the certificate information to another user account based on whether another user account is identity-verified.

Abstract: There is provided an image encoding/decoding method and apparatus. The image decoding method comprises decoding size information of a quantization group from a bitstream, acquiring a delta quantization parameter of a current block on the basis of the size information of the quantization group, and deriving a quantization parameter for the current block on the basis of the delta quantization parameter.

Abstract: An image encoding/decoding method is provided. An image decoding method of the present invention may comprise deriving an intra-prediction mode of a current luma block, deriving an intra-prediction mode of a current chroma block based on the intra-prediction mode of the current luma block, generating a prediction block of the current chroma block based on the intra-prediction mode of the current chroma block, and the deriving of an intra-prediction mode of a current chroma block may comprise determining whether or not CCLM (Cross-Component Linear Mode) can be performed for the current chroma block.

Abstract: An image encoding/decoding method is provided. An image decoding method of the present invention may comprise restoring an intra-prediction mode of a current chroma block, deriving at least one representative value based on a neighboring sample of the current chroma block and a neighboring sample of a corresponding luma block corresponding to the current chroma block in case the intra-prediction mode is a CCLM (Cross-Component Linear Model) mode, deriving a parameter of CCLM by using the at least one representative value, and generating a prediction block of the current chroma block by using the parameter of CCLM.

Abstract: Disclosed herein is a method of decoding an image. The method includes generating an inter prediction block by performing inter prediction with respect to a current block, generating an intra prediction block by performing intra prediction with respect to the current block, determining a first weight and a second weight, and generating a final prediction block by respectively applying the first weight and the second weight to the inter prediction block and the intra prediction block. The generating of the intra prediction block includes generating the intra prediction block using a predefined intra prediction mode.

Abstract: Disclosed herein is an image decoding method. The image decoding method according to an embodiment of the present invention includes determining a prediction mode of a current block based on at least one of sizes of the current block and generating a prediction block of the current block based on the determined prediction mode. Herein, the determining of the prediction mode of the current block determines the prediction mode of the current block based on a comparison result between the size of the current block and a preset value.

Abstract: There is provided an image encoding/decoding method and apparatus. The image decoding method comprises decoding size information of a quantization group from a bitstream, acquiring a delta quantization parameter of a current block on the basis of the size information of the quantization group, and deriving a quantization parameter for the current block on the basis of the delta quantization parameter.

Abstract: A vehicle includes: an air conditioner; a display apparatus configured to receive a user input for blowing discharge of the air conditioner capable of synchronization (SYNC) control, and including a first area and a second area each of which configured to output at least one of an activation indication or a deactivation indication for blowing discharge of the air conditioner; and a controller configured to output at least one of the activation indication or the deactivation indication for blowing discharge of the air conditioner in the first area in response to the user input for blowing discharge of the air conditioner capable of SYNC control being received, to output the activation indication for blowing discharge of the air conditioner in the second area in response to a time point at which at least one of the activation indication or the deactivation indication for blowing discharge of the air conditioner is output in the first area, and to control the display apparatus to change and output the activation

Abstract: In the present specification, an image decoding method is disclosed. The image decoding method includes: determining whether or not to perform filtering on a boundary of a current block; determining a filtering strength on the boundary of the current block, and a number of samples used in filtering; and performing filtering on the boundary of the current block on the basis of the filtering strength and the number of samples used in filtering, wherein the number of samples used in filtering is determined on the basis of a size of the current block.

Abstract: There is provided an image encoding/decoding method and apparatus. The image decoding method comprises decoding size information of a quantization group from a bitstream, acquiring a delta quantization parameter of a current block on the basis of the size information of the quantization group, and deriving a quantization parameter for the current block on the basis of the delta quantization parameter.

Abstract: A method and apparatus for operating an instant messaging server are disclosed. The method for operating an instant messaging server according to an example embodiment includes managing a message sent and received through a first chat room of a messenger application, managing a message sent and received through a second chat room of a 3rd party application receiving support a chat function through the instant messaging server, identifying a user account of an instant messaging service (IMS) linked with a user account of the 3rd party service participating in the second chat room, and providing, based on the identified user account of the IMS, the second chat room of the 3rd party application to the messenger application.

Abstract: An air conditioner for a vehicle includes: a casing to accommodate a cooler and a heater; a front temp door disposed in the casing to control a temperature of air supplied to a front seat zone; a rear temp door disposed under the front temp door to control a temperature of air supplied to a rear seat zone; and a rear vent disposed at a lower portion of the casing to discharge air to the rear seat zone. The air conditioner can secure the flow rate of the air that is supplied to the rear seat zone of the interior of a vehicle by improving the route for flow of the air that is supplied to the rear seat zone.

Abstract: A particulate matter-sensing sensor assembly may include a housing in which an air flow passage through which air flowed thereinto from the outside thereof flows is formed, a fan motor internally disposed within the housing for flowing air into the air flow passage from the outside, a light source emitting light to allow light to intersect with air flowing into the air flow passage, and a light receiving sensor configured to receive light scattered by dust contained in air passing through the air flow passage, wherein the air flow passage is configured such that a region where air flows thereinto from the outside thereof has a cross-sectional area greater than that of a region where light emitted from the light source intersects with flowing air.

Abstract: In accordance with an aspect of the disclosure, a vehicle includes an air conditioning device. An input device is provided to receive a selection input of a user with respect to a blowing position of the air conditioning device and including a first input area, a second input area and a third input area for outputting an activation mark or a deactivation mark by the selection input, A controller is configured to control output of an activation mark or a deactivation mark of the first input area, the second input area and the third input area.

Abstract: A vehicle includes a first seat, a second seat, an HVAC system, and a touch screen configured to detect a user's touch and to display a setting interface of the HVAC system according to a plurality of seats. A controller is configured to convert the touch screen to a synchronization mode based on a first touch, to change the setting interface of the first seat and the setting interface of the second seat equally based on a second touch changing the setting interface of the first seat, and to control the HVAC system based on the changed setting interface.