Abstract:
The present invention relates to a method and device for transmitting and receiving a broadcast signal for providing trick play in a digital broadcasting system. A broadcast signal transmission method, according to an embodiment of the present invention, comprises the steps of: generating a video stream by encoding video data, wherein the video stream comprises PVR assist information for performing trick play of the video data; generating signaling information; multiplexing the video stream and the signaling information into one broadcast stream; generating a broadcast signal comprising the multiplexed broadcast stream; and transmitting the generated broadcast signal.
Abstract:
The present invention relates to a method and apparatus for transmitting and receiving a broadcast signal for providing HEVC based IP broadcast service. The method for transmitting a broadcast signal according to an embodiment of the present invention comprises the steps of: generating a video stream by encoding video data; generating signaling information which includes any one among information indicating the generated video stream is a HEVC video stream, information indicating the characteristic of the generated video stream, and information indicating a broadcast service on the basis of the generated video stream is the HEVC based broadcasting service; multiplexing the generated video stream and the signaling information; and transmitting the multiplexed broadcast stream.
Abstract:
A point cloud data transmission method according to the embodiments may comprise the steps of encoding point cloud data, and transmitting the point cloud data. A point cloud data reception method according to the embodiments may comprise the steps of receiving a bitstream comprising point cloud data, and decoding the point cloud data.
Abstract:
A point cloud data transmission method according to embodiments may comprise the steps of: encoding point cloud data; and transmitting a bitstream including the point cloud data. A point cloud data reception method according to embodiments may comprise the steps of: receiving a bitstream including point cloud data; and decoding the point cloud data.
Abstract:
A point cloud data transmission method according to the embodiments may comprise the steps of encoding point cloud data, and transmitting a bitstream comprising the point cloud data. A point cloud data reception method according to the embodiments may comprise the steps of receiving a bitstream comprising point cloud data, and decoding the point cloud data.
Abstract:
A point cloud data transmission method according to embodiments may comprise the steps of: encoding point cloud data; and transmitting a bitstream including the point cloud data. A point cloud data reception method according to embodiments may comprise the steps of: receiving a bitstream including point cloud data; and decoding the point cloud data.
Abstract:
Disclosed herein is a method of transmitting point cloud data, including encoding geometry data of point cloud data, encoding attribute data of the point cloud data based on the geometry data, and transmitting the encoded geometry data, the encoded attribute data, and signaling data.
Abstract:
A point cloud data transmission method according embodiments comprises a step for encoding point cloud data including the geometry and attributes, the geometry being information indicating the positions of the points of the point cloud data, and the attributes including one or more among the color and reflectance of the points, wherein the encoding step comprises: a step for converting the coordinates representing the positions of the points; and a step for transmitting a bitstream including the encoded point cloud data. The point cloud data transmission method can encode and transmit the point cloud data.
Abstract:
A point cloud data transmission method according to embodiments may comprise the steps of: acquiring point cloud data; encoding, by application of a geometry tree, geometry information including positions of points of the point cloud data; encoding attribute information including attribute values of the points of the point cloud data on the basis of the geometry tree; and transmitting the encoded geometry information, the encoded attribute information, and signaling information, wherein the step of encoding the attribute information comprises: a step of generating level of details (LoDs) on the basis of the geometry tree and a step of compressing the attribute information on the basis of the LoDs.
Abstract:
A point cloud data processing method according to embodiments may comprise: encoding point cloud data; and transmitting the encoded point cloud data. The point cloud data processing method according to embodiments may comprise: receiving point cloud data; and decoding the received point cloud data.