JP5250638B2 - フリッカー測定方法 - Google Patents
フリッカー測定方法 Download PDFInfo
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- JP5250638B2 JP5250638B2 JP2010543118A JP2010543118A JP5250638B2 JP 5250638 B2 JP5250638 B2 JP 5250638B2 JP 2010543118 A JP2010543118 A JP 2010543118A JP 2010543118 A JP2010543118 A JP 2010543118A JP 5250638 B2 JP5250638 B2 JP 5250638B2
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- 238000000691 measurement method Methods 0.000 title description 4
- 238000000034 method Methods 0.000 claims description 48
- 238000005259 measurement Methods 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 description 32
- 230000003068 static effect Effects 0.000 description 14
- 238000004364 calculation method Methods 0.000 description 6
- 238000005457 optimization Methods 0.000 description 6
- 239000013598 vector Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 238000013139 quantization Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000001303 quality assessment method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
- G06T7/254—Analysis of motion involving subtraction of images
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10016—Video; Image sequence
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30168—Image quality inspection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0127—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level by changing the field or frame frequency of the incoming video signal, e.g. frame rate converter
- H04N7/0132—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level by changing the field or frame frequency of the incoming video signal, e.g. frame rate converter the field or frame frequency of the incoming video signal being multiplied by a positive integer, e.g. for flicker reduction
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Quality & Reliability (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Liquid Crystal Display Device Control (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Picture Signal Circuits (AREA)
Description
本願は、米国特許法第119条(e)により2008年1月17日に出願された仮特許出願第61/011,507号の出願日の利益を主張するものである。
本発明は、フリッカー測定方法に関し、具体的にはフレームごとのフリッカー・アーチファクト(flickering artifacts)を正確に測定できる方法に関する。
Claims (5)
- 第一のピクチャーと第二のピクチャーにおける対応する位置におけるピクセル値の間の差に基づいてもとの値を決定する段階と;
再構成値を、前記第一のピクチャーのエンコードからの再構成および前記第二のピクチャーのエンコードからの再構成における対応する位置におけるピクセル値の間の差に基づいて、決定する段階と;
前記再構成値と前記もとの値との間の差に基づいて比較値を決定する段階と;
前記第一のピクチャーと前記第二のピクチャーとの間のフリッカーの測定において、前記比較値を含めることを、前記比較値に基づいて前記比較値がある閾値より大きい場合に決定する段階とを有する、
方法。 - 前記もとの値は、前記第一のピクチャーと前記第二のピクチャーにおける対応する位置におけるピクセル値の間の差の絶対値に等しい、請求項1記載の方法。
- 前記再構成値は、前記第一のピクチャーのエンコードからの再構成と前記第二のピクチャーのエンコードからの再構成における対応する位置におけるピクセル値の間の差の絶対値に等しい、請求項2記載の方法。
- 前記比較値は、前記再構成値から前記もとの値を引いたものに等しい、請求項3記載の方法。
- フリッカーの測定において前記比較値を含めるかどうかを決定して、フリッカーの該測定をフリッカーを低減させる手段において適用する段階を含む、請求項1記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1150708P | 2008-01-17 | 2008-01-17 | |
US61/011,507 | 2008-01-17 | ||
PCT/US2009/000060 WO2009091503A1 (en) | 2008-01-17 | 2009-01-07 | Method for measuring flicker |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011510560A JP2011510560A (ja) | 2011-03-31 |
JP5250638B2 true JP5250638B2 (ja) | 2013-07-31 |
Family
ID=40885590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010543118A Active JP5250638B2 (ja) | 2008-01-17 | 2009-01-07 | フリッカー測定方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8755613B2 (ja) |
EP (1) | EP2232883B1 (ja) |
JP (1) | JP5250638B2 (ja) |
CN (1) | CN101933334B (ja) |
BR (1) | BRPI0907258A2 (ja) |
WO (1) | WO2009091503A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2816616C1 (ru) * | 2023-07-17 | 2024-04-02 | Федеральное государственное бюджетное учреждение науки Институт металлургии и материаловедения им. А.А. Байкова Российской академии наук | Способ получения горячепрессованной карбидокремниевой керамики |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2536143B1 (en) * | 2011-06-16 | 2015-01-14 | Axis AB | Method and a digital video encoder system for encoding digital video data |
WO2013030833A1 (en) | 2011-08-29 | 2013-03-07 | I.C.V.T. Ltd. | Controlling a video content system |
MY168193A (en) * | 2011-12-09 | 2018-10-15 | Ericsson Telefon Ab L M | Method and apparatus for detecting quality defects in a video bitstream |
CN105721874B (zh) * | 2016-02-05 | 2019-05-17 | 南京云岩信息科技有限公司 | 一种并行高效视频编码的帧内闪烁减弱法 |
TWI680675B (zh) * | 2017-12-29 | 2019-12-21 | 聯發科技股份有限公司 | 影像處理裝置與相關的影像處理方法 |
KR102501659B1 (ko) | 2018-10-02 | 2023-02-21 | 삼성디스플레이 주식회사 | 플리커 정량화 시스템 및 이의 구동 방법 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2983509B2 (ja) | 1998-02-10 | 1999-11-29 | 日本放送協会 | テレビジョン映像のフリッカ検出方法および装置 |
US6714191B2 (en) | 2001-09-19 | 2004-03-30 | Genesis Microchip Inc. | Method and apparatus for detecting flicker in an LCD image |
JP3928424B2 (ja) | 2001-12-26 | 2007-06-13 | コニカミノルタビジネステクノロジーズ株式会社 | 動画におけるフリッカ補正 |
JP2004260574A (ja) | 2003-02-26 | 2004-09-16 | Matsushita Electric Ind Co Ltd | フリッカ検出方法およびフリッカ検出装置 |
US7454078B2 (en) * | 2003-07-22 | 2008-11-18 | Warner Bros. Entertainment Inc. | Method and apparatus for flicker removal from an image sequence |
JP2007521774A (ja) * | 2004-01-05 | 2007-08-02 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 未レンダリング色空間を経由してマッピングされる環境光ビデオ内容から導かれる環境光のためのちらつきのない適応閾値処理 |
JP4033140B2 (ja) * | 2004-02-10 | 2008-01-16 | カシオ計算機株式会社 | 撮像装置、ホワイトバランス制御方法及びホワイトバランス制御プログラム |
JP4216769B2 (ja) | 2004-06-02 | 2009-01-28 | 日本電信電話株式会社 | 動画像符号化方法、動画像符号化装置、動画像符号化プログラム及びそのプログラムを記録したコンピュータ読み取り可能な記録媒体 |
KR100557660B1 (ko) * | 2004-07-29 | 2006-03-10 | 매그나칩 반도체 유한회사 | 영상 신호에서의 플리커 검출 방법 |
US7538799B2 (en) * | 2005-01-14 | 2009-05-26 | Freescale Semiconductor, Inc. | System and method for flicker detection in digital imaging |
US7697783B2 (en) * | 2005-07-26 | 2010-04-13 | Sony Corporation | Coding device, coding method, decoding device, decoding method, and programs of same |
JP4528694B2 (ja) * | 2005-08-12 | 2010-08-18 | 株式会社東芝 | 動画像符号化装置 |
JP4246723B2 (ja) * | 2005-08-29 | 2009-04-02 | 日本電信電話株式会社 | フレーム内予測符号化制御方法、フレーム内予測符号化制御装置、フレーム内予測符号化制御プログラムおよびそのプログラムを記録したコンピュータ読み取り可能な記録媒体 |
JP4631611B2 (ja) | 2005-08-30 | 2011-02-16 | ソニー株式会社 | フリッカ検出装置とフリッカ除去装置と撮像装置およびフリッカ検出方法 |
JP4449915B2 (ja) | 2006-02-08 | 2010-04-14 | ソニー株式会社 | 符号化装置、符号化方法およびプログラム、並びに、記録媒体 |
US8036270B2 (en) * | 2006-07-27 | 2011-10-11 | Sharp Laboratories Of America, Inc. | Intra-frame flicker reduction in video coding |
-
2009
- 2009-01-07 CN CN2009801025569A patent/CN101933334B/zh active Active
- 2009-01-07 US US12/735,411 patent/US8755613B2/en active Active
- 2009-01-07 WO PCT/US2009/000060 patent/WO2009091503A1/en active Application Filing
- 2009-01-07 BR BRPI0907258-6A patent/BRPI0907258A2/pt not_active Application Discontinuation
- 2009-01-07 JP JP2010543118A patent/JP5250638B2/ja active Active
- 2009-01-07 EP EP09701698A patent/EP2232883B1/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2816616C1 (ru) * | 2023-07-17 | 2024-04-02 | Федеральное государственное бюджетное учреждение науки Институт металлургии и материаловедения им. А.А. Байкова Российской академии наук | Способ получения горячепрессованной карбидокремниевой керамики |
Also Published As
Publication number | Publication date |
---|---|
JP2011510560A (ja) | 2011-03-31 |
EP2232883A1 (en) | 2010-09-29 |
CN101933334B (zh) | 2012-10-03 |
BRPI0907258A2 (pt) | 2015-07-14 |
EP2232883A4 (en) | 2011-03-30 |
EP2232883B1 (en) | 2012-08-08 |
US20110052084A1 (en) | 2011-03-03 |
WO2009091503A1 (en) | 2009-07-23 |
CN101933334A (zh) | 2010-12-29 |
US8755613B2 (en) | 2014-06-17 |
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