WO2009025357A1 - 映像品質推定装置、映像品質推定方法、フレーム種別判定方法、および記録媒体 - Google Patents
映像品質推定装置、映像品質推定方法、フレーム種別判定方法、および記録媒体 Download PDFInfo
- Publication number
- WO2009025357A1 WO2009025357A1 PCT/JP2008/065009 JP2008065009W WO2009025357A1 WO 2009025357 A1 WO2009025357 A1 WO 2009025357A1 JP 2008065009 W JP2008065009 W JP 2008065009W WO 2009025357 A1 WO2009025357 A1 WO 2009025357A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- video quality
- quality estimation
- frame
- frame type
- type judgment
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/02—Diagnosis, testing or measuring for television systems or their details for colour television signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/004—Diagnosis, testing or measuring for television systems or their details for digital television systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/513—Processing of motion vectors
- H04N19/517—Processing of motion vectors by encoding
- H04N19/52—Processing of motion vectors by encoding by predictive encoding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2668003 CA2668003C (en) | 2007-08-22 | 2008-08-22 | Video quality estimation device, video quality estimation method, frame type judgment method, and recording medium |
US12/447,447 US8320747B2 (en) | 2007-08-22 | 2008-08-22 | Video quality estimation apparatus, video quality estimation method, frame type determination method, and recording medium |
EP20080827667 EP2077672B1 (en) | 2007-08-22 | 2008-08-22 | Video quality estimation device, video quality estimation method, frame type judgment method, and recording medium |
CN2008800010326A CN101558657B (zh) | 2007-08-22 | 2008-08-22 | 视频质量估计装置、视频质量估计方法、帧类型确定方法 |
JP2008558577A JP4891352B2 (ja) | 2007-08-22 | 2008-08-22 | 映像品質推定装置、映像品質推定方法、フレーム種別判定方法、および記録媒体 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007-216364 | 2007-08-22 | ||
JP2007216364 | 2007-08-22 | ||
JP2008105708 | 2008-04-15 | ||
JP2008-105708 | 2008-04-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009025357A1 true WO2009025357A1 (ja) | 2009-02-26 |
Family
ID=40378257
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/065009 WO2009025357A1 (ja) | 2007-08-22 | 2008-08-22 | 映像品質推定装置、映像品質推定方法、フレーム種別判定方法、および記録媒体 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8320747B2 (ja) |
EP (1) | EP2077672B1 (ja) |
JP (1) | JP4891352B2 (ja) |
KR (1) | KR101008608B1 (ja) |
CN (1) | CN101558657B (ja) |
CA (1) | CA2668003C (ja) |
WO (1) | WO2009025357A1 (ja) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2009116666A1 (ja) * | 2008-03-21 | 2009-09-24 | 日本電信電話株式会社 | 映像品質客観評価方法、映像品質客観評価装置、およびプログラム |
WO2010087129A1 (ja) * | 2009-02-02 | 2010-08-05 | 日本電気株式会社 | ピクチャタイプ推定装置、方法、及びプログラムが格納された記憶媒体 |
JP2011019127A (ja) * | 2009-07-09 | 2011-01-27 | Nec Corp | 画質評価装置、画質評価方法及びそのプログラム |
JP2011114444A (ja) * | 2009-11-25 | 2011-06-09 | Fujitsu Ltd | 情報処理装置,情報生成方法,およびプログラム |
JP2011254434A (ja) * | 2010-06-04 | 2011-12-15 | Nippon Telegr & Teleph Corp <Ntt> | 映像フレーム種別推定用調整係数算出方法、装置、およびプログラム |
JP2013046113A (ja) * | 2011-08-22 | 2013-03-04 | Nippon Telegr & Teleph Corp <Ntt> | 基本GoP長を用いた映像品質推定装置及び方法及びプログラム |
JP2013051545A (ja) * | 2011-08-31 | 2013-03-14 | Nippon Telegr & Teleph Corp <Ntt> | TimestampedTS(TTS)を用いた映像フレーム判別装置および方法およびプログラム、及びTTSを用いて判別した映像フレームを用いた映像品質推定装置及び方法及びプログラム |
JP2013062738A (ja) * | 2011-09-14 | 2013-04-04 | Oki Electric Ind Co Ltd | 映像パケットのフレーム種別判別方法及び監視サーバ |
JP2013535908A (ja) * | 2010-07-30 | 2013-09-12 | ドイッチェ テレコム アーゲー | 映像ビットストリームと出力映像シーケンスとの間の時間的な同期のための方法および装置 |
JP2013535907A (ja) * | 2010-07-30 | 2013-09-12 | ドイッチェ テレコム アーゲー | 映像ストリームで複数の映像フレームのピクチャグループ構造のタイプを推定するための方法 |
US9001897B2 (en) | 2009-10-22 | 2015-04-07 | Nippon Telegraph And Telephone Corporation | Video quality estimation apparatus, video quality estimation method, and program |
JP2015524188A (ja) * | 2012-08-21 | 2015-08-20 | ▲ホア▼▲ウェイ▼技術有限公司 | ビデオ・ストリームのフレーム・タイプ検出方法および装置ならびにフレーム・サイズ検出方法および装置 |
US10037606B2 (en) | 2014-03-05 | 2018-07-31 | Nec Corporation | Video analysis apparatus, monitoring system, and video analysis method |
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US20100161779A1 (en) * | 2008-12-24 | 2010-06-24 | Verizon Services Organization Inc | System and method for providing quality-referenced multimedia |
EP2309668A1 (en) * | 2009-10-09 | 2011-04-13 | Thomson Licensing | A digital receiver and corresponding digital transmission system server |
CN102223565B (zh) * | 2010-04-15 | 2013-03-20 | 上海未来宽带技术股份有限公司 | 一种基于视频内容特征的流媒体视频质量评估方法 |
KR101414435B1 (ko) | 2010-04-30 | 2014-07-01 | 톰슨 라이센싱 | 비디오 스트림 품질 평가 방법 및 장치 |
WO2012071680A1 (en) * | 2010-11-30 | 2012-06-07 | Technicolor (China) Technology Co., Ltd. | Method and apparatus for measuring quality of video based on frame loss pattern |
HUE039252T2 (hu) * | 2010-12-10 | 2018-12-28 | Deutsche Telekom Ag | Eljárás és berendezés videojel minõségének megállapítására a videojel kódolása és átvitele folyamán |
CN102547300B (zh) * | 2010-12-17 | 2015-01-21 | 华为技术有限公司 | 帧类型的检测方法和装置 |
CN103716640B (zh) * | 2010-12-17 | 2017-02-01 | 华为技术有限公司 | 帧类型的检测方法和装置 |
CN102740108B (zh) | 2011-04-11 | 2015-07-08 | 华为技术有限公司 | 一种视频数据质量评估方法和装置 |
EP2745518B1 (en) * | 2011-09-26 | 2017-06-14 | Telefonaktiebolaget LM Ericsson (publ) | Estimating user-perceived quality of an encoded video stream |
US9203708B2 (en) | 2011-09-26 | 2015-12-01 | Telefonaktiebolaget L M Ericsson (Publ) | Estimating user-perceived quality of an encoded stream |
KR102365958B1 (ko) * | 2012-01-20 | 2022-02-23 | 지이 비디오 컴프레션, 엘엘씨 | 병렬 처리, 전송 디멀티플렉서 및 비디오 비트스트림을 허용하는 코딩 개념 |
US9467688B2 (en) | 2012-07-24 | 2016-10-11 | Unify Gmbh & Co. Kg | Method, device, and system for testing video quality |
CN104394485B (zh) * | 2012-08-21 | 2017-12-15 | 华为技术有限公司 | 视频流的帧大小检测方法及装置 |
CN103634594B (zh) | 2012-08-21 | 2015-04-29 | 华为技术有限公司 | 一种获得视频编码压缩质量的方法及装置 |
US9858656B2 (en) * | 2013-03-13 | 2018-01-02 | Raytheon Company | Video interpretability and quality estimation |
CN103929637B (zh) * | 2014-04-23 | 2016-03-30 | 无锡天脉聚源传媒科技有限公司 | 一种视频比较装置及其比较方法 |
US11064204B2 (en) | 2014-05-15 | 2021-07-13 | Arris Enterprises Llc | Automatic video comparison of the output of a video decoder |
US10440087B2 (en) | 2016-08-01 | 2019-10-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Estimation of losses in a video stream |
CN106604097B (zh) * | 2016-12-07 | 2020-08-11 | 广东威创视讯科技股份有限公司 | 多路视频信号的传输方法和*** |
CN109391846B (zh) * | 2017-08-07 | 2020-09-01 | 浙江宇视科技有限公司 | 一种自适应模式选择的视频加扰方法及装置 |
CN112073823B (zh) * | 2020-09-02 | 2022-07-12 | 深圳创维数字技术有限公司 | 丢帧处理方法、视频播放终端及计算机可读存储介质 |
EP4304167A1 (en) | 2021-06-14 | 2024-01-10 | Samsung Electronics Co., Ltd. | Electronic device carrying out video call by using frc, and operation method for electronic device |
CN115134629B (zh) * | 2022-05-23 | 2023-10-31 | 阿里巴巴(中国)有限公司 | 视频传输方法、***、设备及存储介质 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001024994A (ja) * | 1999-07-07 | 2001-01-26 | Matsushita Electric Ind Co Ltd | 送信装置、受信装置、記録装置及びプログラム記録媒体 |
JP2006033722A (ja) | 2004-07-21 | 2006-02-02 | Nippon Telegr & Teleph Corp <Ntt> | 映像品質管理方法および映像品質管理システム |
JP2007060475A (ja) | 2005-08-26 | 2007-03-08 | Nippon Telegr & Teleph Corp <Ntt> | ユーザ体感品質推定装置、方法、およびプログラム |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5650829A (en) * | 1994-04-21 | 1997-07-22 | Sanyo Electric Co., Ltd. | Motion video coding systems with motion vector detection |
US20020154694A1 (en) | 1997-03-21 | 2002-10-24 | Christopher H. Birch | Bit stream splicer with variable-rate output |
US6011868A (en) * | 1997-04-04 | 2000-01-04 | Hewlett-Packard Company | Bitstream quality analyzer |
US6988238B1 (en) * | 2000-01-24 | 2006-01-17 | Ati Technologies, Inc. | Method and system for handling errors and a system for receiving packet stream data |
US7835615B2 (en) * | 2004-10-12 | 2010-11-16 | Panasonic Corporation | Data processing apparatus |
WO2006114761A1 (en) * | 2005-04-26 | 2006-11-02 | Koninklijke Philips Electronics N.V. | A device for and a method of detecting positions of intra-coded frames in a data stream |
KR100740421B1 (ko) | 2006-09-01 | 2007-07-16 | 온타임텍 주식회사 | 디지털 멀티미디어 방송 측정 장치에서의 신호 품질 측정방법 |
US8094713B2 (en) * | 2007-07-16 | 2012-01-10 | Telchemy, Inc. | Method and system for viewer quality estimation of packet video streams |
-
2008
- 2008-08-22 CN CN2008800010326A patent/CN101558657B/zh active Active
- 2008-08-22 CA CA 2668003 patent/CA2668003C/en active Active
- 2008-08-22 US US12/447,447 patent/US8320747B2/en active Active
- 2008-08-22 JP JP2008558577A patent/JP4891352B2/ja active Active
- 2008-08-22 KR KR20097009119A patent/KR101008608B1/ko active IP Right Grant
- 2008-08-22 WO PCT/JP2008/065009 patent/WO2009025357A1/ja active Application Filing
- 2008-08-22 EP EP20080827667 patent/EP2077672B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001024994A (ja) * | 1999-07-07 | 2001-01-26 | Matsushita Electric Ind Co Ltd | 送信装置、受信装置、記録装置及びプログラム記録媒体 |
JP2006033722A (ja) | 2004-07-21 | 2006-02-02 | Nippon Telegr & Teleph Corp <Ntt> | 映像品質管理方法および映像品質管理システム |
JP2007060475A (ja) | 2005-08-26 | 2007-03-08 | Nippon Telegr & Teleph Corp <Ntt> | ユーザ体感品質推定装置、方法、およびプログラム |
Non-Patent Citations (1)
Title |
---|
See also references of EP2077672A4 * |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009116666A1 (ja) * | 2008-03-21 | 2009-09-24 | 日本電信電話株式会社 | 映像品質客観評価方法、映像品質客観評価装置、およびプログラム |
WO2010087129A1 (ja) * | 2009-02-02 | 2010-08-05 | 日本電気株式会社 | ピクチャタイプ推定装置、方法、及びプログラムが格納された記憶媒体 |
JP5472120B2 (ja) * | 2009-02-02 | 2014-04-16 | 日本電気株式会社 | ピクチャタイプ推定装置、方法、及びプログラム |
JP2011019127A (ja) * | 2009-07-09 | 2011-01-27 | Nec Corp | 画質評価装置、画質評価方法及びそのプログラム |
US9001897B2 (en) | 2009-10-22 | 2015-04-07 | Nippon Telegraph And Telephone Corporation | Video quality estimation apparatus, video quality estimation method, and program |
US8542723B2 (en) | 2009-11-25 | 2013-09-24 | Fujitsu Limited | Information processing apparatus and information generation method |
JP2011114444A (ja) * | 2009-11-25 | 2011-06-09 | Fujitsu Ltd | 情報処理装置,情報生成方法,およびプログラム |
JP2011254434A (ja) * | 2010-06-04 | 2011-12-15 | Nippon Telegr & Teleph Corp <Ntt> | 映像フレーム種別推定用調整係数算出方法、装置、およびプログラム |
JP2013535908A (ja) * | 2010-07-30 | 2013-09-12 | ドイッチェ テレコム アーゲー | 映像ビットストリームと出力映像シーケンスとの間の時間的な同期のための方法および装置 |
JP2013535907A (ja) * | 2010-07-30 | 2013-09-12 | ドイッチェ テレコム アーゲー | 映像ストリームで複数の映像フレームのピクチャグループ構造のタイプを推定するための方法 |
JP2016040955A (ja) * | 2010-07-30 | 2016-03-24 | ドイッチェ テレコム アーゲー | 映像ストリームで複数の映像フレームのピクチャグループ構造のタイプを推定するための方法 |
KR101857829B1 (ko) | 2010-07-30 | 2018-05-14 | 도이체 텔레콤 악티엔 게젤샤프트 | 비디오 스트림 내의 복수의 비디오 프레임의 픽쳐 구조의 그룹 유형의 추정 방법 |
JP2013046113A (ja) * | 2011-08-22 | 2013-03-04 | Nippon Telegr & Teleph Corp <Ntt> | 基本GoP長を用いた映像品質推定装置及び方法及びプログラム |
JP2013051545A (ja) * | 2011-08-31 | 2013-03-14 | Nippon Telegr & Teleph Corp <Ntt> | TimestampedTS(TTS)を用いた映像フレーム判別装置および方法およびプログラム、及びTTSを用いて判別した映像フレームを用いた映像品質推定装置及び方法及びプログラム |
JP2013062738A (ja) * | 2011-09-14 | 2013-04-04 | Oki Electric Ind Co Ltd | 映像パケットのフレーム種別判別方法及び監視サーバ |
JP2015524188A (ja) * | 2012-08-21 | 2015-08-20 | ▲ホア▼▲ウェイ▼技術有限公司 | ビデオ・ストリームのフレーム・タイプ検出方法および装置ならびにフレーム・サイズ検出方法および装置 |
US9571862B2 (en) | 2012-08-21 | 2017-02-14 | Huawei Technologies Co., Ltd. | Frame type detection and frame size detection methods and apparatuses for video stream |
US10037606B2 (en) | 2014-03-05 | 2018-07-31 | Nec Corporation | Video analysis apparatus, monitoring system, and video analysis method |
Also Published As
Publication number | Publication date |
---|---|
CN101558657B (zh) | 2011-07-27 |
CA2668003C (en) | 2013-04-02 |
EP2077672A1 (en) | 2009-07-08 |
JP4891352B2 (ja) | 2012-03-07 |
KR101008608B1 (ko) | 2011-01-17 |
CN101558657A (zh) | 2009-10-14 |
CA2668003A1 (en) | 2009-02-26 |
EP2077672B1 (en) | 2014-06-25 |
EP2077672A4 (en) | 2010-01-06 |
JPWO2009025357A1 (ja) | 2010-11-25 |
US20100166388A1 (en) | 2010-07-01 |
US8320747B2 (en) | 2012-11-27 |
KR20090084845A (ko) | 2009-08-05 |
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