# US 2018/0324330 A1 · Transmitting device,transmitting method, receiving device, and receiving method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0324330 A1 - Document ID: US20180324330A1 - Status: Published application - Kind: A1 - Application number: 15/929,027 - Filed: 2018-06-27 - Published: 2018-11-08 - Earliest claimed: 2015-03-05 - Assignees: Sony Corporation - Applicants: Sony Corporation - Inventors: Ikuo Tsukagoshi - Web page: https://patentgrep.com/patent/US20180324330A1 ## CPC - H04N 19/70: characterised by syntax aspects related to video coding, e.g. related to compression standards - H04N 19/90: using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals - H04N 21/2343: involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements {(video transcoding H04N19/40; media packet handling at the source H04L65/762)} - H04N 21/235: Processing of additional data, e.g. scrambling of additional data or processing content descriptors - H04N 21/4854: {for modifying image parameters, e.g. image brightness, contrast} - H04N 23/95: Computational photography systems, e.g. light-field imaging systems - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract To enable a receiving side to appropriately perform processing of obtaining display image data from transmission video data having a predetermined photoelectric conversion characteristic. Input video data is processing and transmission video data having a predetermined photoelectric conversion characteristic is obtained. Encoding processing is applied to the transmission video data and a video stream is obtained. A container of a predetermined format, including the video stream, is transmitted. Information indicating a photoelectric conversion of the input video data is inserted into the video stream and/or the container. ## Claims ### Claim 1 (canceled) ### Claim 2 A transmitting device comprising: processing circuitry configured to perform dynamic range conversion for input video data having a first dynamic range characteristic, to obtain video data having a second dynamic range characteristic, wherein the dynamic range conversion is performed on the basis of conversion information for converting the first dynamic range characteristic into the second dynamic range characteristic, encode the video data to obtain a video stream, insert the conversion information into the video stream, and transmit the video stream. ### Claim 3 (depends on 2) The transmitting device according to claim 2, wherein the conversion information is a conversion parameter. ### Claim 4 (depends on 2) The transmitting device according to claim 2, wherein the conversion information is a conversion table. ### Claim 5 (depends on 2) The transmitting device according to claim 2, wherein the processing circuitry is further configured to insert information indicating an electro-optical conversion characteristic corresponding to the predetermined opto-electronic conversion characteristic into the video stream and/or a container. ### Claim 6 (depends on 2) The transmitting device according to claim 2, wherein the information indicating a state of opto-electronic conversion of the input video data is information indicating an electro-optical conversion characteristic corresponding to a conversion characteristic of the opto-electronic conversion when the opto-electronic conversion is performed for the input video data, and information indicating an electro-optical conversion characteristic corresponding to the predetermined opto-electronic conversion characteristic when the opto-electronic conversion is not performed for the input video data. ### Claim 7 (depends on 2) The transmitting device according to claim 2, wherein the processing circuitry is further configured to insert a reference level as a reference luminance level or a branch level as a luminance level at which a curve of a normal dynamic range opto-electronic conversion characteristic and a curve of a high dynamic range opto-electronic conversion characteristic branch from a same orbit and are separated into the video stream and/or a container. ### Claim 8 A transmitting method comprising: performing, with circuitry, dynamic range conversion for input video data having a first dynamic range characteristic, to obtain video data having a second dynamic range characteristic, wherein the dynamic range conversion is performed on the basis of conversion information for converting the first dynamic range characteristic into the second dynamic range characteristic; encoding, with the circuitry, the video data to obtain a video stream; inserting, with the circuitry, the conversion information into the video stream; and transmitting the video stream. ### Claim 9 (depends on 8) The transmitting method according to claim 8, wherein the conversion information is a conversion parameter. ### Claim 10 (depends on 8) The transmitting method according to claim 8, wherein the conversion information is a conversion table. ### Claim 11 (depends on 8) The transmitting method according to claim 8, further comprising: inserting information indicating an electro-optical conversion characteristic corresponding to the predetermined opto-electronic conversion characteristic into the video stream and/or a container. ### Claim 12 (depends on 8) The transmitting method according to claim 8, wherein the information indicating a state of opto-electronic conversion of the input video data is information indicating an electro-optical conversion characteristic corresponding to a conversion characteristic of the opto-electronic conversion when the opto-electronic conversion is performed for the input video data, and information indicating an electro-optical conversion characteristic corresponding to the predetermined opto-electronic conversion characteristic when the opto-electronic conversion is not performed for the input video data. ### Claim 13 (depends on 8) The transmitting method according to claim 8, further comprising: inserting, with the circuitry, a reference level as a reference luminance level or a branch level as a luminance level at which a curve of a normal dynamic range opto-electronic conversion characteristic and a curve of a high dynamic range opto-electronic conversion characteristic branch from a same orbit and are separated into the video stream and/or a container. ### Claim 14 A receiving device comprising: processing circuitry configured to receive a video stream, extract conversion information from the video stream, decode the video stream to obtain video data, and perform dynamic range conversion for the video data having a first dynamic range characteristic, to obtain video data having a second dynamic range characteristic, wherein the dynamic range conversion is performed on the basis of conversion information for converting the first dynamic range characteristic into the second dynamic range characteristic. ### Claim 15 (depends on 14) The receiving device according to claim 14, wherein the processing circuitry is further configured to extract information indicating an electro-optical conversion characteristic corresponding to the predetermined opto-electronic conversion characteristic into the video stream and/or a container. ### Claim 16 (depends on 14) The receiving device according to claim 14, wherein the information indicating a state of opto-electronic conversion of the input video data is information indicating an electro-optical conversion characteristic corresponding to a conversion characteristic of the opto-electronic conversion when the opto-electronic conversion is performed for the input video data, and information indicating an electro-optical conversion characteristic corresponding to the predetermined opto-electronic conversion characteristic when the opto-electronic conversion is not performed for the input video data. ### Claim 17 (depends on 14) The receiving device according to claim 14, wherein the processing circuitry is further configured to extract a reference level as a reference luminance level or a branch level as a luminance level at which a curve of a normal dynamic range opto-electronic conversion characteristic and a curve of a high dynamic range opto-electronic conversion characteristic branch from a same orbit and are separated into the video stream and/or the container. ### Claim 18 A receiving method comprising: receiving, with circuitry, a video stream, extracting, with the circuitry, conversion information from the video stream, decoding, with the circuitry, the video stream to obtain video data, and performing, with the circuitry, dynamic range conversion for the video data having a first dynamic range characteristic, to obtain video data having a second dynamic range characteristic, wherein the dynamic range conversion is performed on the basis of conversion information for converting the first dynamic range characteristic into the second dynamic range characteristic. ### Claim 19 (depends on 18) The receiving method according to claim 18, further comprising: inserting information indicating an electro-optical conversion characteristic corresponding to the predetermined opto-electronic conversion characteristic into the video stream and/or a container. ### Claim 20 (depends on 18) The receiving method according to claim 18, wherein the information indicating a state of opto-electronic conversion of the input video data is information indicating an electro-optical conversion characteristic corresponding to a conversion characteristic of the opto-electronic conversion when the opto-electronic conversion is performed for the input video data, and information indicating an electro-optical conversion characteristic corresponding to the predetermined opto-electronic conversion characteristic when the opto-electronic conversion is not performed for the input video data. ### Claim 21 (depends on 18) The receiving method according to claim 18, further comprising: inserting, with the circuitry, a reference level as a reference luminance level or a branch level as a luminance level at which a curve of a normal dynamic range opto-electronic conversion characteristic and a curve of a high dynamic range opto-electronic conversion characteristic branch from a same orbit and are separated into the video stream and/or a container.