# US 2025/0097484 A1 · Video reception method, video transmission method, video reception apparatus, and video transmission apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0097484 A1 - Document ID: US20250097484A1 - Status: Published application - Kind: A1 - Application number: 18/966,635 - Filed: 2024-12-03 - Published: 2025-03-20 - Earliest claimed: 2015-09-11 - Assignees: Panasonic Intellectual Property Management Co., Ltd. - Applicants: Panasonic Intellectual Property Management Co., Ltd. - Inventors: Takahiro NISHI; Tadamasa TOMA - Web page: https://patentgrep.com/patent/US20250097484A1 ## CPC - H04N 19/98: Adaptive-dynamic-range coding [ADRC] - H04N 21/4318: {by altering the content in the rendering process, e.g. blanking, blurring or masking an image region (image enhancement or restoration in general G06T5/00)} - G09G 5/10: Intensity circuits - H04N 19/136: Incoming video signal characteristics or properties - H04N 19/44: Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder - H04N 19/46: Embedding additional information in the video signal during the compression process (H04N19/517, H04N19/68, H04N19/70 take precedence) - H04N 19/895: in combination with error concealment - H04N 21/23614: {Multiplexing of additional data and video streams (arrangements for simultaneous broadcast of plural pieces of information H04H20/28)} - H04N 21/2362: Generation or processing of Service Information [SI] - H04N 21/431: Generation of visual interfaces {for content selection or interaction}; Content or additional data rendering - H04N 21/434: Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream {(demultiplexing of data packets for data networks, e.g. RTP/UDP H04L65/00)} - H04N 21/4345: {Extraction or processing of SI, e.g. extracting service information from an MPEG stream} - H04N 21/4348: {Demultiplexing of additional data and video streams} - H04N 21/84: Generation or processing of descriptive data, e.g. content descriptors {(systems specially adapted for using meta-information in broadcast systems H04H60/73)} - H04N 21/845: Structuring of content, e.g. decomposing content into time segments - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) ## Abstract Provided is a video reception method performed by a video reception apparatus including a display. The video reception method includes: receiving a reception signal multiplexed from video data and audio data; outputting, as first transfer characteristics information, transfer characteristics obtained by demultiplexing the reception signal; outputting, as second transfer characteristics information, transfer characteristics obtained by decoding the video data, the second transfer characteristics information being information for specifying, at frame accuracy, a transfer function corresponding to a luminance dynamic range of the video data; and displaying the video data while controlling a luminance dynamic range of the display at frame accuracy according to the second transfer characteristics information. ## Claims ### Claim 1 A transmission method comprising: coding pictures and second information to generate a video data, the second information indicating a transfer function of the video data; and transmitting the video data, an audio data, and a descriptor to a decoding apparatus, the descriptor including first information indicating the transfer function of the video data, wherein in the decoding apparatus, the pictures are converted into input signals input into a display while controlling a converting scheme applied to pictures based on at least one of the first information or the second information. ### Claim 2 (depends on 1) The transmission method according to claim 1, wherein the second information is used to control the converting scheme applied to pictures in the decoding apparatus. ### Claim 3 (depends on 1) The transmission method according to claim 1, wherein the first information is provided in the multiplexing layer in unsynchronized with the pictures. ### Claim 4 (depends on 1) The transmission method according to claim 1, wherein the second information is provided in the video coding layer. ### Claim 5 A transmission apparatus comprising: a transmitter; and a processor that, in operation, performs: coding pictures and second information to generate a video data, the second information indicating a transfer function of the video data; and transmitting, through the transmitter, the video data, an audio data, and a descriptor to a decoding apparatus, the descriptor including first information indicating the transfer function of the video data, wherein in the decoding apparatus, the pictures are converted into input signals input into a display while controlling a converting scheme applied to pictures based on at least one of the first information or the second information. ### Claim 6 (depends on 5) The transmission apparatus according to claim 5, wherein the second information is used to control the converting scheme applied to pictures in the decoding apparatus. ### Claim 7 (depends on 5) The transmission apparatus according to claim 5, wherein the first information is provided in the multiplexing layer in unsynchronized with the pictures. ### Claim 8 (depends on 5) The transmission apparatus according to claim 5, wherein the second information is provided in the video coding layer.