Abstract: A system and a method for displaying a scene are provided. The system includes a display configured to emit light, a spatial light modulator configured to modulate input light based on a transparency value, and at least one processor configured to acquire adjustment information including transparency of the spatial light modulator and light intensity information of the display from a plurality of pieces of view information corresponding to the scene and adjust an intensity value of the light emitted from the display and the transparency value of the spatial light modulator based on the adjustment information, wherein the plurality of pieces of view information are optical information of the scene, the optical information having been acquired at a plurality of viewpoints.

Abstract: Provided is an image encoding method including extracting feature points from a picture; generating at least two clusters by performing feature point clustering on the extracted feature points; determining at least two split sections in the picture, the at least two split sections respectively corresponding to the at least two clusters; parallel-encoding the at least two split sections; and generating a bitstream including information about the at least two split sections. A size and a shape of each of the at least two split sections may be individually determined.

Abstract: Provided are a video encoding method and a video encoding apparatus capable of performing the video encoding method. The video encoding method according to an embodiment includes generating a first predicted block by performing intra prediction on a current block by using neighboring pixels of the current block which have been previously encoded and reconstructed; determining a reference block corresponding to the current block and included in a reconstructed pixel region encoded and reconstructed prior to the current block; generating a residual block, based on the reference block; generating a second predicted block by adding residual values of pixels included in the residual block and intra prediction values of pixels included in the first predicted block; determining the first predicted block or the second predicted block to be a predicted block of the current block; and generating a bitstream including residual data of the current block generated from the determined predicted block.

Abstract: A video encoding method including determining a phase shift between pixels of an enhancement layer image and a reference layer image, according to a scaling factor between the enhancement layer image and the reference layer image and a color format of the enhancement layer; selecting at least one filter coefficient set corresponding to the phase shift, from filter coefficient data including filter coefficient sets; generating an up-sampled reference layer image by extending a resolution of the reference layer image according to the scaling factor by performing interpolation filtering on the reference layer image by using the filter coefficient set; obtaining a prediction error between the up-sampled reference layer image and the enhancement layer image; generating an enhancement layer bitstream including the prediction error and a scalable codec; and generating a base layer bitstream by encoding the base layer images.

Abstract: Provided are an electronic device, a signal processing method thereof, a biological signal measurement system, and a non-transitory computer readable recording medium. The electronic device, according to one embodiment of the present disclosure, comprises: a sensor for measuring a biological signal of a user; and a processor for determining the periodicity of the measured biological signal, and selectively compressing the measured biological signal according to the determined periodicity.

Abstract: Provided are methods and apparatuses for encoding and decoding a coding unit of a picture outline. An image decoding method includes obtaining a prediction mode and prediction information of a current block included in a current image, from a bitstream; reconstructing the current block based on at least one of the prediction mode and the prediction information of the current block; when the prediction mode of the current block is a first prediction mode, obtaining a prediction candidate related to a second prediction mode by performing prediction according to the second prediction mode based on the reconstructed current block; and reconstructing an adjacent block reconstructed after the current block by using the prediction candidate related to the second prediction mode.

Abstract: Provided are a video decoding method and a video decoding apparatus capable of performing the video decoding method including receiving a bitstream of an encoded video; obtaining, from the bitstream, shape information of one or more scanning units each consisting of a predetermined number of adjacent largest coding units from among a plurality of largest coding units split from a picture; determining a shape of the one or more scanning units, based on the obtained shape information; obtaining, from the bitstream, processing order information of the one or more scanning units of a current picture, and processing order information of largest coding units included in the one or more scanning units; determining a processing order of the one or more scanning units included in the current picture, based on the processing order information of the one or more scanning units; determining a processing order of largest coding units included in each of the one or more scanning units, based on the processing order informa

Abstract: Provided is a video decoding method including obtaining, from a bitstream, information about a prediction mode of a current block; when the prediction mode of the current block is an intra mode, obtaining information about an intra prediction mode of the current block; obtaining a predicted sample value of the current block by using at least one sample that is from among samples included in an adjacent reference region of a plurality of lines and is located, from the current block, in an intra prediction direction indicated by an intra prediction mode. The adjacent reference region of the plurality of lines may include a plurality of lines that are in a vertical direction and located at a left side of the current block, or a plurality of lines that are in a horizontal direction and located at an upper side of the current block.

Abstract: Provided is a multi-layer video decoding method for efficiently obtaining, from a bitstream, information indicating a maximum size of a decoded picture buffer (DPB) regarding a layer set including a plurality of layers.

Abstract: Provided are a video decoding method and a video decoding apparatus capable of performing the video decoding method. The video decoding method includes: determining neighboring pixels of a current block to be used for performing intra prediction on the current block; acquiring, from a bitstream, information indicating one of a plurality of filtering methods used on the neighboring pixels; selecting one of the plurality of filtering methods according to the acquired information; filtering the neighboring pixels by using the selected filtering method; and performing the intra prediction on the current block by using the filtered neighboring pixels, wherein the plurality of filtering methods comprise a spatial domain filtering method and a frequency domain filtering method, wherein the spatial domain filtering method filters the neighboring pixels in a spatial domain, and the frequency domain filtering method filters the neighboring pixels in a frequency domain.

Abstract: Provided are methods and apparatuses for encoding and decoding an image. Method of encoding includes: determining a maximum size of a buffer to decode each image frame by a decoder, a number of image frames to be reordered, and latency information of an image frame having a largest difference between an encoding order and a display order from among image frames that form an image sequence, based on an encoding order the image frames that form the image sequence, an encoding order of reference frames referred to by the image frames, a display order of the image frames, and a display order of the reference frames; and adding, to a mandatory sequence parameter set, a first syntax indicating the maximum size of the buffer, a second syntax indicating the number of image frames to be reordered, and a third syntax indicating the latency information.

Abstract: coefficient blocks in which the sign is assigned to the non-zero transform coefficients according to the generated plurality of groups of code candidates; a cost calculation unit for calculating a cost on the basis of a pixel value difference between pixel values of a plurality of pixels selected from among the generated candidate reconstruction blocks and pixel values of other pixels adjacent to the selected plurality of pixels; and a decoding unit for allocating predetermined different codewords to each of the plurality of code candidates based on the calculated cost, and determining a code of the non-zero transform coefficients of the selected plurality of pixels according to a candidate group to which a codeword corresponding to the parsed codeword is allocated. An encoding apparatus encoding a bitstream including an image frame is disclosed.

Abstract: A method of transmitting an image is performed by a first device and includes obtaining an image including an object, obtaining, based on a preset setting condition of the first device, contour information defining a contour of the object and color information about a color of the object, and transmitting the contour information and the color information to a second device.

Abstract: A method and an apparatus for outputting an image by using a color filter array (CFA) sensor are provided. The method includes receiving a 4-channel combination image signal through the CFA sensor, and separating the 4-channel combination image signal into a visible image signal and a near-infrared image signal, based on a signal separation coefficient including a color coefficient that is determined to convert 4-channel color data into 3-channel color data and a weight coefficient that is determined based on a 4-channel signal configured of near-infrared image signals. The method further includes outputting the visible image signal and the near-infrared image signal.

Abstract: Disclosed is an encoding device.

Abstract: Provided are an inter prediction method and a motion compensation method. The inter prediction method includes: performing inter prediction on a current image by using a long-term reference image stored in a decoded picture buffer; determining residual data and a motion vector of the current image generated via the inter prediction; and determining least significant bit (LSB) information as a long-term reference index indicating the long-term reference image by dividing picture order count (POC) information of the long-term reference image into most significant bit (MSB) information and the LSB information.

Abstract: An video decoding apparatus including a parser which obtains bit strings corresponding to current transformation coefficient level information by arithmetic decoding a bitstream based on a context model; a parameter determiner which determines a current binarization parameter by updating or maintaining a previous binarization parameter based on a comparison of a threshold and a size of a previous transformation coefficient; a syntax element restorer which obtains the current transformation coefficient level information by performing de-binarization of the bit strings using the determined current binarization parameter and generates a size of a current transformation coefficient using the current transformation coefficient level information, wherein the current binarization parameter has a value equal to or smaller than a predetermined value.

Abstract: Provided is a video decoding method including: determining whether first coordinates and second coordinates of a contour, which are determined according to mode information of the contour for determining at least one segment from a current block, are derivable from a neighboring block of the current block; when it is determined that the first coordinates and the second coordinates of the contour are derivable from the neighboring block of the current block, determining the at least one segment from the current block based on the first coordinates and the second coordinates of the contour derived from the neighboring block of the current block; determining whether to perform prediction on a boundary region including a boundary of segments forming the current block, in a direction of the boundary; and when it is determined to perform the prediction on the boundary region in the direction of the boundary, performing the prediction on the boundary region by using a neighboring sample of the current block in the d

Abstract: Provided are a video encoding method and apparatus and a video decoding method and apparatus for producing a reconstructed video having a minimum error with respect to an original video. The video decoding method includes parsing an edge correction parameter from a bitstream, the edge correction parameter being used to correct a reconstructed pixel included in a current block, determining whether the reconstructed pixel is included in an edge region according to a first threshold value included in the edge correction parameter, determining whether the reconstructed pixel is to be corrected according to a second threshold value included in the edge correction parameter when the reconstructed pixel is included in the edge region, and compensating for a sample value of the reconstructed pixel according to a third threshold value included in the edge correction parameter when the reconstructed pixel is to be corrected.

Abstract: Provided is a video decoding method including: obtaining mode information of a contour for determining at least one segment from a current block; determining whether first coordinates and second coordinates of the contour are derivable from a neighboring block of the current block, based on the mode information of the contour; when the first and second coordinates of the contour are derivable from the neighboring block of the current block, determining the at least one segment from the current block based on the first and second coordinates of the contour derived from the neighboring block of the current block; and performing prediction with respect to the determined at least one segment.