WO2009060674A1 - フィルムモード判定装置及び、判定方法 - Google Patents

フィルムモード判定装置及び、判定方法 Download PDF

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Publication number
WO2009060674A1
WO2009060674A1 PCT/JP2008/067261 JP2008067261W WO2009060674A1 WO 2009060674 A1 WO2009060674 A1 WO 2009060674A1 JP 2008067261 W JP2008067261 W JP 2008067261W WO 2009060674 A1 WO2009060674 A1 WO 2009060674A1
Authority
WO
WIPO (PCT)
Prior art keywords
film mode
pull
memory
frame
down signal
Prior art date
Application number
PCT/JP2008/067261
Other languages
English (en)
French (fr)
Inventor
Naoji Izumi
Toshiroh Mukai
Original Assignee
Sharp Kabushiki Kaisha
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sharp Kabushiki Kaisha filed Critical Sharp Kabushiki Kaisha
Priority to MX2010004812A priority Critical patent/MX2010004812A/es
Priority to BRPI0820711-9A priority patent/BRPI0820711A2/pt
Priority to CN200880115375A priority patent/CN101849411A/zh
Priority to US12/741,427 priority patent/US20100265409A1/en
Priority to EP08847334A priority patent/EP2211544A4/en
Publication of WO2009060674A1 publication Critical patent/WO2009060674A1/ja

Links

Classifications

    • 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
    • H04N7/0112—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level one of the standards corresponding to a cinematograph film standard
    • H04N7/0115—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level one of the standards corresponding to a cinematograph film standard with details on the detection of a particular field or frame pattern in the incoming video signal, e.g. 3:2 pull-down pattern
    • 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
    • H04N7/0135—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes
    • H04N7/0147—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes the interpolation using an indication of film mode or an indication of a specific pattern, e.g. 3:2 pull-down pattern

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
  • Picture Signal Circuits (AREA)

Abstract

ＩＰ変換（インターレース－プログレッシブ変換）時にフィルムモードを判定する従来技術ではフレームメモリ枚数（メモリ量）が多くコストが高く、また、ビデオ信号以外の規則性のあるプルダウン信号を安定してＩＰ変換することは困難であった。 １枚のフレームメモリ（前フレームの画像記憶用）を用い、現フレームと前フレームとの画像間の相関を算出し、過去数フレーム分の画像の相関値の平均とその判定結果（１ｂｉｔ）のみを蓄積することで、少ないメモリ量と簡単な回路構成により、入力画像が３２プルダウン信号か２２プルダウン信号かビデオ信号かを判定することのできるフィルムモード判定装置とする。
PCT/JP2008/067261 2007-11-06 2008-09-25 フィルムモード判定装置及び、判定方法 WO2009060674A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
MX2010004812A MX2010004812A (es) 2007-11-06 2008-09-25 Aparato y metodo de determinacion de modo de pelicula.
BRPI0820711-9A BRPI0820711A2 (pt) 2007-11-06 2008-09-25 Aparelho de determinação de modo de filme e método de determinação
CN200880115375A CN101849411A (zh) 2007-11-06 2008-09-25 胶片模式判定装置及判定方法
US12/741,427 US20100265409A1 (en) 2007-11-06 2008-09-25 Film mode determination apparatus and determination method
EP08847334A EP2211544A4 (en) 2007-11-06 2008-09-25 DEVICE AND METHOD FOR FILM MODE DETERMINATION

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007288422A JP4383477B2 (ja) 2007-11-06 2007-11-06 フィルムモード判定装置、判定方法、判定プログラム及び記録媒体
JP2007-288422 2007-11-06

Publications (1)

Publication Number Publication Date
WO2009060674A1 true WO2009060674A1 (ja) 2009-05-14

Family

ID=40625575

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/067261 WO2009060674A1 (ja) 2007-11-06 2008-09-25 フィルムモード判定装置及び、判定方法

Country Status (9)

Country Link
US (1) US20100265409A1 (ja)
EP (1) EP2211544A4 (ja)
JP (1) JP4383477B2 (ja)
CN (1) CN101849411A (ja)
BR (1) BRPI0820711A2 (ja)
MX (1) MX2010004812A (ja)
RU (1) RU2451421C2 (ja)
TW (1) TW200931975A (ja)
WO (1) WO2009060674A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102300071A (zh) * 2010-06-22 2011-12-28 上海高清数字科技产业有限公司 电影模式视频信号处理方法和装置
TWI414182B (zh) * 2010-12-01 2013-11-01 Novatek Microelectronics Corp 多媒體裝置及其播放模式偵測方法
JP6255751B2 (ja) * 2012-07-12 2018-01-10 ノーリツプレシジョン株式会社 画像処理プログラムおよび画像処理装置
US20150296101A1 (en) * 2014-04-09 2015-10-15 Tao Han Universal Film mode detection for interlaced video stream

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11261972A (ja) 1998-03-06 1999-09-24 Pioneer Electron Corp 映像信号識別方法及びそれを用いた映像信号の処理方 法
JPH11341444A (ja) * 1998-05-29 1999-12-10 Matsushita Electric Ind Co Ltd テレビジョン受像機
JP2001506112A (ja) * 1997-10-10 2001-05-08 ファルージャ・ラボラトリーズ・インコーポレイテッド 現在のシステムと互換性をもつ態様でテレビジョン信号の送信および受信を行なうための高精細度テレビジョン信号処理
JP2002290927A (ja) 2001-03-27 2002-10-04 Toshiba Corp フィルムモード判別回路、フィルムモード判別方法、及び順次走査変換テレビジョン受像機
JP2002330408A (ja) 2001-04-27 2002-11-15 Matsushita Electric Ind Co Ltd 映像信号処理装置
JP2005045803A (ja) * 2003-07-21 2005-02-17 Samsung Electronics Co Ltd ２：２プルダウンシーケンスの判別装置およびその方法
JP2005045807A (ja) * 2003-07-21 2005-02-17 Samsung Electronics Co Ltd フィルムモードの判別装置およびその方法
JP2005072863A (ja) * 2003-08-22 2005-03-17 Toshiba Corp テレシネ方式識別装置

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JPH10145779A (ja) * 1996-11-06 1998-05-29 Sony Corp フィールド検出装置およびフィールド検出方法、画像符号化装置および画像符号化方法、並びに記録媒体および記録方法
US6157412A (en) * 1998-03-30 2000-12-05 Sharp Laboratories Of America, Inc. System for identifying video fields generated from film sources
US6700622B2 (en) * 1998-10-02 2004-03-02 Dvdo, Inc. Method and apparatus for detecting the source format of video images
KR100327369B1 (ko) * 1999-07-31 2002-03-06 구자홍 컴퓨터 시스템의 영상정보 인터페이스 장치 및 방법
US6724433B1 (en) * 2000-12-06 2004-04-20 Realnetworks, Inc. Automated inverse telecine conversion
JP3991845B2 (ja) * 2002-11-12 2007-10-17 松下電器産業株式会社 映像プログレッシブ変換再生装置
JP2005027068A (ja) * 2003-07-03 2005-01-27 Pioneer Electronic Corp 映像信号変換装置及び方法
JP4655218B2 (ja) * 2005-09-16 2011-03-23 ソニー株式会社 信号処理装置および方法、プログラム、並びに記録媒体

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001506112A (ja) * 1997-10-10 2001-05-08 ファルージャ・ラボラトリーズ・インコーポレイテッド 現在のシステムと互換性をもつ態様でテレビジョン信号の送信および受信を行なうための高精細度テレビジョン信号処理
JPH11261972A (ja) 1998-03-06 1999-09-24 Pioneer Electron Corp 映像信号識別方法及びそれを用いた映像信号の処理方 法
JPH11341444A (ja) * 1998-05-29 1999-12-10 Matsushita Electric Ind Co Ltd テレビジョン受像機
JP2002290927A (ja) 2001-03-27 2002-10-04 Toshiba Corp フィルムモード判別回路、フィルムモード判別方法、及び順次走査変換テレビジョン受像機
JP2002330408A (ja) 2001-04-27 2002-11-15 Matsushita Electric Ind Co Ltd 映像信号処理装置
JP2005045803A (ja) * 2003-07-21 2005-02-17 Samsung Electronics Co Ltd ２：２プルダウンシーケンスの判別装置およびその方法
JP2005045807A (ja) * 2003-07-21 2005-02-17 Samsung Electronics Co Ltd フィルムモードの判別装置およびその方法
JP2005072863A (ja) * 2003-08-22 2005-03-17 Toshiba Corp テレシネ方式識別装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2211544A4

Also Published As

Publication number Publication date
EP2211544A1 (en) 2010-07-28
JP4383477B2 (ja) 2009-12-16
RU2010122991A (ru) 2011-12-10
EP2211544A4 (en) 2011-11-30
JP2009118141A (ja) 2009-05-28
US20100265409A1 (en) 2010-10-21
TW200931975A (en) 2009-07-16
RU2451421C2 (ru) 2012-05-20
BRPI0820711A2 (pt) 2015-06-16
CN101849411A (zh) 2010-09-29
MX2010004812A (es) 2010-06-11

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