CA2018880A1 - Dispositif de reduction du nombre de lignes de balayage dans un signal video et recepteur de television a incrustation d'images utilisant ce dispositif - Google Patents

Dispositif de reduction du nombre de lignes de balayage dans un signal video et recepteur de television a incrustation d'images utilisant ce dispositif

Info

Publication number
CA2018880A1
CA2018880A1 CA2018880A CA2018880A CA2018880A1 CA 2018880 A1 CA2018880 A1 CA 2018880A1 CA 2018880 A CA2018880 A CA 2018880A CA 2018880 A CA2018880 A CA 2018880A CA 2018880 A1 CA2018880 A1 CA 2018880A1
Authority
CA
Canada
Prior art keywords
picture
signal
line number
scanning line
video signal
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA2018880A
Other languages
English (en)
Other versions
CA2018880C (fr
Inventor
Yasuhiro Yoshida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
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
Priority claimed from JP1152526A external-priority patent/JP2736441B2/ja
Priority claimed from JP1197779A external-priority patent/JP2951669B2/ja
Priority claimed from JP1264681A external-priority patent/JP2690790B2/ja
Application filed by Sharp Corp filed Critical Sharp Corp
Publication of CA2018880A1 publication Critical patent/CA2018880A1/fr
Application granted granted Critical
Publication of CA2018880C publication Critical patent/CA2018880C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • 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
    • H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
    • H04N7/012—Conversion between an interlaced and a progressive signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H04N5/45—Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen
    • 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
    • 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
    • H04N7/0125—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level one of the standards being a high definition standard
    • 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
    • H04N7/0137—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes dependent on presence/absence of motion, e.g. of motion zones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Graphics (AREA)
  • Television Systems (AREA)
CA002018880A 1989-06-15 1990-06-13 Dispositif de reduction du nombre de lignes de balayage dans un signal video et recepteur de television a incrustation d'images utilisant ce dispositif Expired - Lifetime CA2018880C (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP1152526A JP2736441B2 (ja) 1989-06-15 1989-06-15 ２画面テレビ
JP1-152526 1989-06-15
JP1-197779 1989-07-29
JP1197779A JP2951669B2 (ja) 1989-07-29 1989-07-29 映像信号処理装置
JP1264681A JP2690790B2 (ja) 1989-10-11 1989-10-11 テレビジョン受像機
JP1-264681 1989-10-11

Publications (2)

Publication Number Publication Date
CA2018880A1 true CA2018880A1 (fr) 1990-12-15
CA2018880C CA2018880C (fr) 1995-05-30

Family

ID=27320290

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002018880A Expired - Lifetime CA2018880C (fr) 1989-06-15 1990-06-13 Dispositif de reduction du nombre de lignes de balayage dans un signal video et recepteur de television a incrustation d'images utilisant ce dispositif

Country Status (5)

Country Link
US (1) US5043811A (fr)
EP (3) EP0403297B1 (fr)
KR (1) KR930004307B1 (fr)
CA (1) CA2018880C (fr)
DE (3) DE69033421T2 (fr)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH088674B2 (ja) * 1989-07-11 1996-01-29 シャープ株式会社 表示装置
KR920005018B1 (ko) * 1989-07-20 1992-06-22 삼성전자 주식회사 텔레비젼수상기에 있어서 동작적응형 수직윤곽 보상회로
JPH03204283A (ja) * 1989-12-29 1991-09-05 Nec Corp 子画面情報記憶回路
EP0454115B1 (fr) * 1990-04-26 1996-08-28 Canon Kabushiki Kaisha Appareil de conversion de signal de télévision
EP0471878B1 (fr) * 1990-08-23 1996-04-10 Siemens Aktiengesellschaft Procédé de superposition image-dans-image et appareil pour suivre ce procédé
JP2502829B2 (ja) * 1991-03-22 1996-05-29 松下電器産業株式会社 画像表示装置
US5488389A (en) * 1991-09-25 1996-01-30 Sharp Kabushiki Kaisha Display device
US5497237A (en) * 1991-10-29 1996-03-05 Hitachi, Ltd. Method of converting a field of a regenerative signal a VTR and apparatus employing the same
US5614943A (en) * 1991-12-19 1997-03-25 Olympus Optical Co., Ltd. Dissimilar endoscopes usable with a common control unit
JP2732772B2 (ja) * 1992-05-19 1998-03-30 松下電器産業株式会社 デジタル信号処理回路
JP3348917B2 (ja) * 1993-06-11 2002-11-20 富士写真フイルム株式会社 画像信号処理装置
JP2705547B2 (ja) * 1993-12-16 1998-01-28 日本電気株式会社 画像縮小装置
JP3429061B2 (ja) * 1994-05-19 2003-07-22 富士写真フイルム株式会社 電子スチルカメラ
US5528301A (en) * 1995-03-31 1996-06-18 Panasonic Technologies, Inc. Universal video format sample size converter
JP3188135B2 (ja) * 1995-05-19 2001-07-16 三洋電機株式会社 映像信号処理回路
JPH0983893A (ja) * 1995-09-08 1997-03-28 Matsushita Electric Ind Co Ltd テレビジョン受像機
GB2307129B (en) * 1995-11-09 2000-01-26 Sony Uk Ltd Video down-conversion
US6836295B1 (en) 1995-12-07 2004-12-28 J. Carl Cooper Audio to video timing measurement for MPEG type television systems
KR100205009B1 (ko) * 1996-04-17 1999-06-15 윤종용 비디오신호 변환장치 및 그 장치를 구비한 표시장치
US5894329A (en) * 1996-06-20 1999-04-13 International Business Machines Corporation Display control unit for converting a non-interlaced image into an interlaced image and displaying the converted image data
JP3449142B2 (ja) * 1996-12-06 2003-09-22 松下電器産業株式会社 画像縮小装置およびその制御方法
US6118486A (en) * 1997-09-26 2000-09-12 Sarnoff Corporation Synchronized multiple format video processing method and apparatus
JP3178665B2 (ja) * 1997-12-02 2001-06-25 日本電気株式会社 画像サイズ変換方法とそのための装置
JP3172491B2 (ja) * 1998-05-29 2001-06-04 三洋電機株式会社 ディジタルカメラ
JP2000048189A (ja) * 1998-07-30 2000-02-18 Fujitsu Ltd 画像処理装置
KR100385968B1 (ko) * 1998-12-09 2003-07-16 삼성전자주식회사 디스플레이 포맷 및/또는 프레임 레이트가 서로 다른 신호들을동시에 표시하는 수신기와 그 표시방법
KR20020040303A (ko) * 2000-11-24 2002-05-30 구자홍 티브이의 부화면 처리장치
JP2004516756A (ja) * 2000-12-20 2004-06-03 トムソン ライセンシング ソシエテ アノニム インタレースからプログレッシブへの走査変換用の復号化情報
US7006695B2 (en) * 2000-12-27 2006-02-28 Ricoh Company, Ltd. Image compression/decompression system employing pixel thinning-out and interpolation scheme
JP4685465B2 (ja) * 2005-02-01 2011-05-18 パナソニック株式会社 監視記録装置
CN110519530B (zh) * 2019-06-13 2021-07-16 眸芯科技（上海）有限公司 基于硬件的画中画显示方法及装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54105920A (en) * 1978-02-07 1979-08-20 Matsushita Electric Ind Co Ltd Picture display device
US4249213A (en) * 1978-09-14 1981-02-03 Hitachi, Ltd. Picture-in-picture television receiver
JPS5763972A (en) * 1980-10-06 1982-04-17 Toshiba Corp Televison picture receiver of multiscreen display
US4698664A (en) * 1985-03-04 1987-10-06 Apert-Herzog Corporation Audio-visual monitoring system
US4791487A (en) * 1985-06-28 1988-12-13 Canon Kabushiki Kaisha Picture signal conversion device
US4870489A (en) * 1987-07-23 1989-09-26 Ducret Robert P NTSC compatible HDTV transmission system
US4809069A (en) * 1988-03-10 1989-02-28 North American Philips Corporation Multifunction memory for digital television
GB2223141A (en) * 1988-09-21 1990-03-28 Sony Corp Slow motion video signal generator with motion compensated interpolation

Also Published As

Publication number Publication date
DE69034167T2 (de) 2005-09-08
EP0715455B1 (fr) 2000-01-12
EP0933931A3 (fr) 1999-08-25
EP0403297A3 (fr) 1992-01-22
DE69030408T2 (de) 1997-10-09
EP0933931B1 (fr) 2004-09-22
EP0715455A2 (fr) 1996-06-05
DE69033421T2 (de) 2000-05-25
KR910002272A (ko) 1991-01-31
US5043811A (en) 1991-08-27
DE69030408D1 (de) 1997-05-15
EP0715455A3 (fr) 1996-07-31
DE69034167D1 (de) 2004-10-28
KR930004307B1 (ko) 1993-05-22
DE69033421D1 (de) 2000-02-17
EP0403297B1 (fr) 1997-04-09
CA2018880C (fr) 1995-05-30
EP0933931A2 (fr) 1999-08-04
EP0403297A2 (fr) 1990-12-19

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Legal Events

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EEER Examination request
MKEX Expiry
MKEX Expiry

Effective date: 20100613