摘要:
Provided is a method of decoding motion information characterized in that information for determining motion-related information includes spatial information and time information, wherein the spatial information indicates a direction of spatial prediction candidates used for sub-units from among spatial prediction candidates located on a left side and an upper side of a current prediction unit, and the time information indicates a reference prediction unit of a previous picture used for prediction of the current prediction unit. Further, an encoding apparatus or a decoding apparatus capable of performing the above described encoding or decoding method may be provided.
摘要:
Provided is a video decoding method of applying a deblocking filter to neighboring pixels adjacent to a boundary of a current block, the video decoding method including selecting a deblocking filter to be applied to the neighboring pixels from among a plurality of deblocking filters according to pixel values of the neighboring pixels and a size of the current block, and applying the selected deblocking filter to the neighboring pixels, wherein the plurality of deblocking filters include three or more deblocking filters having different ranges of neighboring pixels to which deblocking filtering is applied.
摘要:
Provided is a video processing device and method capable of managing a security level of content included in a video. The video processing method includes: receiving an identifier of a video and information about a security policy to be set to the video; receiving security information related to the security policy; preparing the video by using the received identifier of the video; and updating security information of the prepared video by using the received security information according to the security policy.
摘要:
Provided is a method of decoding motion information, in which information for determining motion-related information includes spatial information and temporal prediction candidate, the spatial information indicates a direction of a spatial prediction candidate used in sub-units, from among spatial prediction candidates at a left side and upper sides of a current prediction unit, and the temporal information indicates a reference prediction unit of a previous picture, which is used for predicting the current prediction unit. Also, provided is an encoding or decoding apparatus executing an encoding or decoding method.
摘要:
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 information of largest coding units included in the one or more scanning units; and decoding a plurality of largest coding units included in the current picture according to the determined processing order of the one or more scanning units and the determined processing order of largest coding units included in each of the one or more scanning units.
摘要:
Provided is a method of encoding an image, the method including: determining at least one compression unit included in the image; determining a scheme of changing a plurality of samples included in a current compression unit; changing the plurality of samples of the current compression unit based on the determined at least one compression unit and the determined scheme; splitting one of maximum coding units of the image including the changed plurality of samples into at least one coding unit; performing prediction by using at least one prediction unit determined from the at least one coding unit; and encoding the at least one coding unit by performing transformation by using at least one transformation unit determined from the at least one coding unit, wherein the encoding includes generating a bitstream including first information indicating the determined scheme.
摘要:
Provided is a video decoding method performed by a video decoding apparatus, the video decoding method including: determining prediction mode information of a current block and an index indicating a prediction candidate, from a bitstream; determining a prediction candidate list according to the prediction mode information; when the prediction mode information of the current block indicates a pre-set prediction mode, determining a motion vector indicated by the index indicating the prediction candidate from the prediction candidate list, and determining a prediction motion vector of the current block based on at least one of pieces of motion prediction information related to the motion vector; and determining a motion vector of the current block based on the prediction motion vector, wherein the pre-set prediction mode is a prediction mode different from a skip mode and a merge mode.
摘要:
Provided is a video processing device and method capable of enhancing security of content included in a video, the video processing device including: a loader configured to load an original video; an encoder configured to generate an encoded video including a header and a payload by encoding the loaded original video; and a security information inserter configured to insert security information comprising information about a reproduction right of the video into the header or the payload.