JPH11164322A - アスペクト比変換装置及び方法 - Google Patents

アスペクト比変換装置及び方法

Info

Publication number
JPH11164322A
JPH11164322A JP10263630A JP26363098A JPH11164322A JP H11164322 A JPH11164322 A JP H11164322A JP 10263630 A JP10263630 A JP 10263630A JP 26363098 A JP26363098 A JP 26363098A JP H11164322 A JPH11164322 A JP H11164322A
Authority
JP
Japan
Prior art keywords
filter
pixel value
memory
luminance
chrominance
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.)
Pending
Application number
JP10263630A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11164322A5 (enExample
Inventor
C Gardle Shairish
シー．ガードル シャイリッシュ
Ozseriku Turner
オズセリク ターナー
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.)
Sony Electronics Inc
Original Assignee
Sony Electronics Inc
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 Sony Electronics Inc filed Critical Sony Electronics Inc
Publication of JPH11164322A publication Critical patent/JPH11164322A/ja
Publication of JPH11164322A5 publication Critical patent/JPH11164322A5/ja
Pending legal-status Critical Current

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
    • H04N7/0117—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
    • H04N7/0122—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 the input and the output signals having different aspect ratios
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S348/00—Television
    • Y10S348/913—Letterbox, e.g. display 16:9 aspect ratio image on 4:3 screen

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Graphics (AREA)
  • Color Television Systems (AREA)
  • Television Systems (AREA)
  • Processing Of Color Television Signals (AREA)
JP10263630A 1997-09-17 1998-09-17 アスペクト比変換装置及び方法 Pending JPH11164322A (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US5913597P 1997-09-17 1997-09-17
US09/096321 1998-06-11
US60/059135 1998-06-11
US09/096,321 US6259479B1 (en) 1997-09-17 1998-06-11 Letterbox filter apparatus and method

Publications (2)

Publication Number Publication Date
JPH11164322A true JPH11164322A (ja) 1999-06-18
JPH11164322A5 JPH11164322A5 (enExample) 2005-11-04

Family

ID=26738389

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10263630A Pending JPH11164322A (ja) 1997-09-17 1998-09-17 アスペクト比変換装置及び方法

Country Status (2)

Country Link
US (1) US6259479B1 (enExample)
JP (1) JPH11164322A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003536285A (ja) * 1999-03-31 2003-12-02 テラロジック・インコーポレーテッド ビデオ・データのダウン・コンバージョンに関する方法および装置
WO2010001999A1 (ja) * 2008-07-04 2010-01-07 株式会社 東芝 動画像符号化／復号化方法及び装置
CN111373751A (zh) * 2017-08-10 2020-07-03 夏普株式会社 图像滤波装置、图像解码装置以及图像编码装置

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3495826B2 (ja) * 1995-08-24 2004-02-09 富士写真フイルム株式会社 ファイリング・システムおよび再生装置
US6587158B1 (en) * 1998-07-23 2003-07-01 Dvdo, Inc. Method and apparatus for reducing on-chip memory in vertical video processing
US7197194B1 (en) * 2001-05-14 2007-03-27 Lsi Logic Corporation Video horizontal and vertical variable scaling filter
JP3861698B2 (ja) * 2002-01-23 2006-12-20 ソニー株式会社 画像情報符号化装置及び方法、画像情報復号装置及び方法、並びにプログラム
US7084924B2 (en) * 2003-03-24 2006-08-01 Matsushita Electric Industrial Co., Ltd. Method, apparatus, and system for displaying widescreen video images on standard video displays
US7747095B2 (en) * 2004-10-08 2010-06-29 Nvidia Corporation Methods and systems for rate control in image compression
KR100594806B1 (ko) * 2004-12-28 2006-06-30 삼성전자주식회사 레터박스 경계를 검출하는 디스플레이장치 및 이를 이용한영상 디스플레이 방법
US20060149802A1 (en) * 2005-01-04 2006-07-06 Shang-Chieh Wen Scaling filter and method thereof
US9794593B1 (en) 2005-12-09 2017-10-17 Nvidia Corporation Video decoder architecture for processing out-of-order macro-blocks of a video stream
US9210437B2 (en) * 2005-12-09 2015-12-08 Nvidia Corporation Hardware multi-stream multi-standard video decoder device
US9204158B2 (en) * 2005-12-09 2015-12-01 Nvidia Corporation Hardware multi-standard video decoder device
US9516326B1 (en) 2005-12-09 2016-12-06 Nvidia Corporation Method for rotating macro-blocks of a frame of a video stream
US8130317B2 (en) * 2006-02-14 2012-03-06 Broadcom Corporation Method and system for performing interleaved to planar transformation operations in a mobile terminal having a video display
US20100178037A1 (en) * 2009-01-12 2010-07-15 Te-Wei Chen Display apparatus, video generation apparatus, and method thereof
US9386326B2 (en) 2012-10-05 2016-07-05 Nvidia Corporation Video decoding error concealment techniques

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3788997T3 (de) * 1986-10-31 1999-06-24 British Broadcasting Corp., London Interpolation von Zeilen eines Videosignals.
US5057911A (en) * 1989-10-19 1991-10-15 Matsushita Electric Industrial Co., Ltd. System and method for conversion of digital video signals
GB2251755B (en) * 1991-01-08 1994-07-27 Sony Broadcast & Communication Video standards up-conversion
KR0154134B1 (ko) * 1991-06-29 1998-11-16 강진구 뮤즈/엔티에스시방식 변환장치
US5268750A (en) * 1992-03-31 1993-12-07 Panasonic Technologies, Inc. Apparatus for adjusting the timing of sampled data signals in a resampling system
US5331346A (en) * 1992-10-07 1994-07-19 Panasonic Technologies, Inc. Approximating sample rate conversion system
WO1997004593A1 (fr) * 1995-07-19 1997-02-06 Kabushiki Kaisha Toshiba Convertisseur de boite aux lettres
US5835160A (en) * 1995-09-13 1998-11-10 Oak Technology, Inc. Sampling rate conversion using digital differential analyzers
US5781241A (en) * 1996-11-08 1998-07-14 Chrontel, Inc. Apparatus and method to convert computer graphics signals to television video signals with vertical and horizontal scaling requiring no frame buffers

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003536285A (ja) * 1999-03-31 2003-12-02 テラロジック・インコーポレーテッド ビデオ・データのダウン・コンバージョンに関する方法および装置
WO2010001999A1 (ja) * 2008-07-04 2010-01-07 株式会社 東芝 動画像符号化／復号化方法及び装置
JPWO2010001999A1 (ja) * 2008-07-04 2011-12-22 株式会社東芝 動画像符号化／復号化方法及び装置
CN111373751A (zh) * 2017-08-10 2020-07-03 夏普株式会社 图像滤波装置、图像解码装置以及图像编码装置
CN111373751B (zh) * 2017-08-10 2023-02-28 夏普株式会社 图像滤波装置、图像解码装置以及图像编码装置

Also Published As

Publication number Publication date
US6259479B1 (en) 2001-07-10

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