JP6830190B2 - 映像送信方法、映像受信方法、映像送信装置及び映像受信装置 - Google Patents
映像送信方法、映像受信方法、映像送信装置及び映像受信装置 Download PDFInfo
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Description
映像信号のOETF(Optical−Electro Transfer Function:光電伝達関数)又はEOTF(Electro−Optical Transfer Function:電光伝達関数)は、例えば、映像符号化標準のITU−T H.265|ISO/IEC 23008−2 HEVCでは、Sequence Parameter Set(SPS)中のVideo Usability Information(VUI)において、transfer characteristics(伝達特性)というシンタクスにより通知される。このSPSの伝達特性を用いると、フレーム精度で伝達特性(伝達関数)の切り替わりを通知することができる。映像受信装置は伝達特性に基づいて、映像表示部の制御方法を決定する。
本実施の形態に係る映像受信装置は、フレーム精度で伝達特性を示す伝達特性情報を用いて、フレーム精度で表示部の輝度ダイナミックレンジの制御を行う。これにより、当該映像受信装置は、より適切な映像を表示できる。
TV放送では、地上波又は衛星などの電波状況によってエラーが発生する場合がある。図8は、電波障害等のより受信エラーが発生した場合の様子を示す図である。図8に示すように、SDRからHDRへの切り替わり時において、映像受信装置がSPS内の第2伝達特性情報115を取得後に、電波障害等により、映像ストリームが欠落し、HDRの最初のフレームが取得できない場合を想定する。この場合、映像復号部103は、エラー隠蔽のために直前のフレームを引き続き表示する。つまり、SDR番組のフレームが繰り返し表示される。
本実施の形態では、第1伝達特性情報113の詳細及び第1伝達特性情報113を用いた処理について説明する。まず、逆多重化部102において取得する伝達特性の例を説明する。
本実施の形態では、SDRとHDRとの切り替え時に映像信号の信号レベルを制限する。これにより、映像受信装置における輝度ダイナミックレンジの切り替え処理を容易化できる。
101 受信部
102 逆多重化部
103 映像復号部
104、104A、104B 表示制御部
105、105A 表示部
106 映像特性変換部
107 表示デバイス
108 異常検知部
109 メッセージ重畳部
111、111B 受信信号
112、211、211B 映像信号
113 第1伝達特性情報
114、213 映像データ
115 第2伝達特性情報
116 制御情報
117、120 入力信号
118 異常通知情報
119 メッセージ
121 切り替え通知記述子
200、200B 映像送信装置
201、201B 生成部
202 送信部
203 映像符号化部
204 多重化部
205 映像データ生成部
212、212B 送信信号
301 HDR識別情報
Claims (4)
- 第1輝度ダイナミックレンジの第1映像データと、前記第1輝度ダイナミックレンジより広い第2ダイナミックレンジの第2映像データとを時系列に含む送信信号を生成する生成ステップと、
前記送信信号を送信する送信ステップとを含み、
前記生成ステップでは、前記第1映像データ及び前記第2映像データのうちのいずれか一方から前記第1映像データ及び前記第2映像データのうちのいずれか他方への切り替えにおける前記他方の表示開始前の遷移期間において、輝度値に対応する信号のレベルを、前記第1輝度ダイナミックレンジと前記第2ダイナミックレンジとの互換領域の範囲に制限する
映像送信方法。 - 表示部を備える映像受信装置における映像受信方法であって、
第1輝度ダイナミックレンジの第1映像データと、前記第1輝度ダイナミックレンジより広い第2ダイナミックレンジの第2映像データとを時系列に含む受信信号を受信する受信ステップを含み、
前記受信信号では、前記第1映像データ及び前記第2映像データのうちのいずれか一方から前記第1映像データ及び前記第2映像データのうちのいずれか他方への切り替えにおける前記他方の表示開始前の遷移期間において、輝度値に対応する信号のレベルが、前記第1輝度ダイナミックレンジと前記第2ダイナミックレンジとの互換領域の範囲に制限されており、
前記映像受信方法は、さらに、
輝度ダイナミックレンジの切り替え処理に許容される時間の間に、前記表示部の前記輝度ダイナミックレンジを切り替える切り替えステップとを含む
映像受信方法。 - 第1輝度ダイナミックレンジの第1映像データと、前記第1輝度ダイナミックレンジより広い第2ダイナミックレンジの第2映像データとを時系列に含む送信信号を生成する生成部と、
前記送信信号を送信する送信部とを備え、
前記生成部は、前記第1映像データ及び前記第2映像データのうちのいずれか一方から前記第1映像データ及び前記第2映像データのうちのいずれか他方への切り替えにおける前記他方の表示開始前の遷移期間において、輝度値に対応する信号のレベルを、前記第1輝度ダイナミックレンジと前記第2ダイナミックレンジとの互換領域の範囲に制限する
映像送信装置。 - 表示部を備える映像受信装置であって、
第1輝度ダイナミックレンジの第1映像データと、前記第1輝度ダイナミックレンジより広い第2ダイナミックレンジの第2映像データとを時系列に含む受信信号を受信する受信部を備え、
前記受信信号では、前記第1映像データ及び前記第2映像データのうちのいずれか一方から前記第1映像データ及び前記第2映像データのうちのいずれか他方への切り替えにおける前記他方の表示開始前の遷移期間において、輝度値に対応する信号のレベルが、前記第1輝度ダイナミックレンジと前記第2ダイナミックレンジとの互換領域の範囲に制限されており、
前記映像受信装置は、さらに、
輝度ダイナミックレンジの切り替え処理に許容される時間の間に、前記表示部の前記輝度ダイナミックレンジを切り替える表示制御部を備える
映像受信装置。
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KR102477041B1 (ko) * | 2015-03-24 | 2022-12-14 | 소니그룹주식회사 | 송신 장치, 송신 방법, 수신 장치 및 수신 방법 |
CN112866751B (zh) * | 2015-10-07 | 2024-07-30 | 松下知识产权经营株式会社 | 影像发送方法及装置、影像接收方法及装置 |
JP6610273B2 (ja) | 2016-01-08 | 2019-11-27 | ソニー株式会社 | 送信装置、送信方法、受信装置および受信方法 |
KR102308192B1 (ko) * | 2017-03-09 | 2021-10-05 | 삼성전자주식회사 | 디스플레이 장치 및 그 제어 방법 |
CN111183651A (zh) * | 2017-10-12 | 2020-05-19 | 索尼公司 | 图像处理设备、图像处理方法、发送设备、发送方法和接收设备 |
US10917583B2 (en) | 2018-04-27 | 2021-02-09 | Apple Inc. | Standard and high dynamic range display systems and methods for high dynamic range displays |
JP7110740B2 (ja) * | 2018-06-07 | 2022-08-02 | 日本電気株式会社 | 映像スイッチャおよび切替方法 |
US11354789B2 (en) * | 2018-09-03 | 2022-06-07 | Canon Kabushiki Kaisha | Image processing apparatus and control method thereof |
JP7311347B2 (ja) * | 2019-08-02 | 2023-07-19 | マクセル株式会社 | 放送受信装置および表示制御方法 |
JP6822536B2 (ja) * | 2019-10-15 | 2021-01-27 | ソニー株式会社 | 送信装置、送信方法、受信装置および受信方法 |
JP6989037B2 (ja) * | 2019-10-15 | 2022-01-05 | ソニーグループ株式会社 | 送信装置、送信方法、受信装置および受信方法 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3882295B2 (ja) * | 1997-11-10 | 2007-02-14 | 株式会社日立製作所 | デジタル放送受信装置及び映像信号のミュート方法 |
CN100492152C (zh) * | 2004-08-23 | 2009-05-27 | 英华达股份有限公司 | 将一高动态范围影像转换成一低动态范围影像的方法及其装置 |
WO2012085163A1 (en) * | 2010-12-21 | 2012-06-28 | Barco N.V. | Method and system for improving the visibility of features of an image |
MX2013010788A (es) * | 2011-03-24 | 2014-01-16 | Koninkl Philips Nv | Aparatos y metodos para analizar graduaciones de imagenes. |
CN103621084A (zh) * | 2011-04-28 | 2014-03-05 | 皇家飞利浦有限公司 | 用于生成图像编码信号的方法和装置 |
JP6053767B2 (ja) * | 2011-06-14 | 2016-12-27 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 高ダイナミックレンジ・ビデオのためのグラフィック処理 |
US11640656B2 (en) * | 2011-09-27 | 2023-05-02 | Koninklijke Philips N.V. | Apparatus and method for dynamic range transforming of images |
EP2769540B1 (en) * | 2011-10-20 | 2018-11-28 | Dolby Laboratories Licensing Corporation | Method and system for video equalization |
WO2014116715A1 (en) * | 2013-01-25 | 2014-07-31 | Dolby Laboratories Licensing Corporation | Global display management based light modulation |
CN105165001B (zh) * | 2013-04-30 | 2019-08-09 | 索尼公司 | 发送设备、发送方法、接收设备、以及接收方法 |
JP6294489B2 (ja) | 2013-09-06 | 2018-03-14 | エルジー エレクトロニクス インコーポレイティド | デジタル放送システムにおける広域明るさ表現のための超高画質放送信号送受信方法及び装置 |
JP6202330B2 (ja) * | 2013-10-15 | 2017-09-27 | ソニー株式会社 | 復号装置および復号方法、並びに符号化装置および符号化方法 |
JP6311868B2 (ja) * | 2013-11-07 | 2018-04-18 | 株式会社Joled | 画像処理回路、画像処理方法、及び、表示装置 |
WO2015105037A1 (ja) * | 2014-01-10 | 2015-07-16 | パナソニックIpマネジメント株式会社 | ファイル生成方法、ファイル生成装置および記録媒体 |
JP6467680B2 (ja) * | 2014-01-10 | 2019-02-13 | パナソニックIpマネジメント株式会社 | ファイル生成方法およびファイル生成装置 |
JP6686438B2 (ja) * | 2014-01-24 | 2020-04-22 | ソニー株式会社 | 送信装置、送信方法、受信装置および受信方法 |
MX364635B (es) * | 2014-06-27 | 2019-05-03 | Panasonic Ip Man Co Ltd | Dispositivo de salida de datos, método de salida de datos y método de generación de datos. |
CN105765657B (zh) * | 2014-09-10 | 2020-01-31 | 松下电器(美国)知识产权公司 | 记录介质、再现装置以及再现方法 |
US20170193638A1 (en) * | 2014-09-11 | 2017-07-06 | Kevin Patrick GRUNDY | System and method for controlling dynamic range compression image processing |
CN105047145B (zh) * | 2015-09-14 | 2017-07-28 | 青岛海信电器股份有限公司 | 背光亮度控制方法、背光亮度控制装置及显示终端 |
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