JP2018014750A5 - - Google Patents
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- JP2018014750A5 JP2018014750A5 JP2017179959A JP2017179959A JP2018014750A5 JP 2018014750 A5 JP2018014750 A5 JP 2018014750A5 JP 2017179959 A JP2017179959 A JP 2017179959A JP 2017179959 A JP2017179959 A JP 2017179959A JP 2018014750 A5 JP2018014750 A5 JP 2018014750A5
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Description
本発明による映像符号化方法は、ダイナミックレンジに関する映像信号の情報を用い、複数のSOP構造を使用してビットストリームを生成する映像符号化方法であって、時間方向で、符号化対象の映像信号がSDRからHDRに切り替わる場合、または、HDRからSDRに切り替わる場合に、ダイナミックレンジを切り替えるためのダイナミックレンジに関する映像信号の情報を伝送可能にするために、切り替わり後の先頭のSOPのSOP構造をTemporal IDが０のピクチャだけで構成されるSOP構造に設定し、SDRからHDRへの切り替え、または、HDRからSDRへの切り替えは、映像信号のtransfer characteristicsの値に基づいてなされることを特徴とする。 A video encoding method according to the present invention is a video encoding method for generating a bitstream using a plurality of SOP structures using information of a video signal related to a dynamic range, and is a video signal to be encoded in a time direction. When switching from SDR to HDR, or when switching from HDR to SDR, the SOP structure of the first SOP after switching is Temporal to enable transmission of video signal information related to the dynamic range for switching the dynamic range. It is set to an SOP structure composed only of pictures whose ID is 0 , and switching from SDR to HDR or switching from HDR to SDR is performed based on the value of transfer characteristics of the video signal. .
本発明による映像符号化装置は、ダイナミックレンジに関する映像信号の情報を用い、複数のSOP構造を使用してビットストリームを生成する映像符号化装置であって、時間方向で、符号化対象の映像信号がSDRからHDRに切り替わる場合、または、HDRからSDRに切り替わる場合に、ダイナミックレンジを切り替えるためのダイナミックレンジに関する映像信号の情報を伝送可能にするために、切り替わり後の先頭のSOPのSOP構造をTemporal IDが０のピクチャだけで構成されるSOP構造に設定する符号化構造制御手段を備え、SDRからHDRへの切り替え、または、HDRからSDRへの切り替えは、映像信号のtransfer characteristicsの値に基づいてなされることを特徴とする。 A video encoding device according to the present invention is a video encoding device that uses a plurality of SOP structures to generate a bitstream using video signal information relating to a dynamic range, and is a video signal to be encoded in a time direction. When switching from SDR to HDR, or when switching from HDR to SDR, the SOP structure of the first SOP after switching is Temporal to enable transmission of video signal information related to the dynamic range for switching the dynamic range. e Bei coding structure control means ID is set to SOP structure consisting of only pictures of 0, switching from SDR to HDR, or switching to SDR from HDR, based on the value of the transfer characteristics the video signal It is characterized by being made .
本発明による映像符号化プログラムは、ダイナミックレンジに関する映像信号の情報を用い、複数のSOP構造を使用してビットストリームを生成する映像符号化装置におけるコンピュータに、時間方向で、符号化対象の映像信号がSDRからHDRに切り替わる場合、または、HDRからSDRに切り替わる場合に、ダイナミックレンジを切り替えるためのダイナミックレンジに関する映像信号の情報を伝送可能にするために、切り替わり後の先頭のSOPのSOP構造をTemporal IDが０のピクチャだけで構成されるSOP構造に設定する処理を実行させ、SDRからHDRへの切り替え、または、HDRからSDRへの切り替えを、映像信号のtransfer characteristicsの値に基づいて実行させることを特徴とする。 A video encoding program according to the present invention uses a video signal information related to a dynamic range and generates a bit stream using a plurality of SOP structures. Temporal If is switched to HDR from SDR, or, when switching to the SDR from HDR, the information of the video signal a dynamic range for switching the dynamic range to allow transmission of SOP structure of the head of the SOP after switching Execute the process of setting the SOP structure consisting only of pictures with ID 0 , and switch from SDR to HDR or from HDR to SDR based on the value of transfer characteristics of the video signal It is characterized by.
Claims (5)
時間方向で、符号化対象の映像信号がSDR（Standard Dynamic Range）からHDR（High Dynamic Rang）に切り替わる場合、または、HDRからSDRに切り替わる場合に、前記ダイナミックレンジを切り替えるための前記ダイナミックレンジに関する映像信号の情報を伝送可能にするために、切り替わり後の先頭のSOPのSOP構造をTemporal IDが０のピクチャだけで構成されるSOP構造に設定し、
前記SDRから前記HDRへの切り替え、または、前記HDRから前記SDRへの切り替えは、前記映像信号のtransfer characteristicsの値に基づいてなされる
ことを特徴とする映像符号化方法。 A video encoding method for generating a bitstream using a plurality of SOP structures using video signal information related to a dynamic range,
In the time direction, when a video signal to be coded is switched to HDR (High Dynamic Rang) from SDR (Standard Dynamic Range), or, in the case where switching to the SDR from HDR, image related to the dynamic range for switching the dynamic range In order to be able to transmit signal information, the SOP structure of the first SOP after switching is set to an SOP structure consisting only of pictures with a Temporal ID of 0,
The video coding method , wherein switching from the SDR to the HDR or switching from the HDR to the SDR is performed based on a value of transfer characteristics of the video signal .
時間方向で、符号化対象の映像信号がSDR（Standard Dynamic Range）からHDR（High Dynamic Rang）に切り替わる場合、または、HDRからSDRに切り替わる場合に、前記ダイナミックレンジを切り替えるための前記ダイナミックレンジに関する映像信号の情報を伝送可能にするために、切り替わり後の先頭のSOPのSOP構造をTemporal IDが０のピクチャだけで構成されるSOP構造に設定する符号化構造制御手段を備え、
前記SDRから前記HDRへの切り替え、または、前記HDRから前記SDRへの切り替えは、前記映像信号のtransfer characteristicsの値に基づいてなされる
ことを特徴とする映像符号化装置。 A video encoding device that uses a plurality of SOP structures to generate a bitstream using video signal information relating to a dynamic range,
In the time direction, when a video signal to be coded is switched to HDR (High Dynamic Rang) from SDR (Standard Dynamic Range), or, in the case where switching to the SDR from HDR, image related to the dynamic range for switching the dynamic range to allow transmission of information signals, Bei example the coding structure control means the beginning of the Temporal ID of SOP structure SOP is set to SOP structure consisting of only pictures 0 after switched,
The video encoding apparatus characterized in that switching from the SDR to the HDR or switching from the HDR to the SDR is performed based on a value of transfer characteristics of the video signal .
時間方向で、符号化対象の映像信号がSDR（Standard Dynamic Range）からHDR（High Dynamic Rang）に切り替わる場合、または、HDRからSDRに切り替わる場合に、前記ダイナミックレンジを切り替えるための前記ダイナミックレンジに関する映像信号の情報を伝送可能にするために、切り替わり後の先頭のSOPのSOP構造をTemporal IDが０のピクチャだけで構成されるSOP構造に設定する処理を実行させ、
前記SDRから前記HDRへの切り替え、または、前記HDRから前記SDRへの切り替えを、前記映像信号のtransfer characteristicsの値に基づいて実行させる
ための映像符号化プログラム。 A computer in a video encoding device that uses a plurality of SOP structures to generate a bitstream using video signal information about a dynamic range,
In the time direction, when a video signal to be coded is switched to HDR (High Dynamic Rang) from SDR (Standard Dynamic Range), or, in the case where switching to the SDR from HDR, image related to the dynamic range for switching the dynamic range In order to be able to transmit the signal information , execute the process of setting the SOP structure of the first SOP after switching to the SOP structure consisting only of pictures with Temporal ID 0,
A video encoding program for executing switching from the SDR to the HDR or switching from the HDR to the SDR based on a value of transfer characteristics of the video signal .
音声信号を符号化する音声符号化部と、
前記映像符号化装置からのビットストリームと前記音声符号化部からのビットストリームとを多重化して出力する多重化部と
を備える映像システム。 A video encoding device according to claim 2;
An audio encoding unit for encoding an audio signal;
A video system comprising: a multiplexing unit that multiplexes and outputs a bit stream from the video encoding device and a bit stream from the audio encoding unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| JP2017179959A JP6677230B2 (en) | 2017-09-20 | 2017-09-20 | Video encoding device, video decoding device, video system, video encoding method, and video encoding program |
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| JP2017179959A JP6677230B2 (en) | 2017-09-20 | 2017-09-20 | Video encoding device, video decoding device, video system, video encoding method, and video encoding program |
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| JP2017152112A Division JP6241565B2 (en) | 2017-08-07 | 2017-08-07 | Video encoding device, video system, video encoding method, and video encoding program |
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| Publication Number | Publication Date |
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| JP2018014750A JP2018014750A (en) | 2018-01-25 |
| JP2018014750A5 true JP2018014750A5 (en) | 2019-11-07 |
| JP6677230B2 JP6677230B2 (en) | 2020-04-08 |
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| CN112470473B (en) * | 2018-07-27 | 2024-08-20 | 索尼半导体解决方案公司 | Image processing apparatus and image processing method |
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