KR100376060B1 - Method and system for re-setting image size using inverse discrete cosine transform - Google Patents

Method and system for re-setting image size using inverse discrete cosine transform Download PDF

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Publication number
KR100376060B1
KR100376060B1 KR20020066047A KR20020066047A KR100376060B1 KR 100376060 B1 KR100376060 B1 KR 100376060B1 KR 20020066047 A KR20020066047 A KR 20020066047A KR 20020066047 A KR20020066047 A KR 20020066047A KR 100376060 B1 KR100376060 B1 KR 100376060B1
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KR
South Korea
Prior art keywords
macroblock
type
cosine transform
discrete cosine
inverse discrete
Prior art date
Application number
KR20020066047A
Other languages
English (en)
Inventor
Jung Yong Kang
Original Assignee
Humax Co Ltd
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 Humax Co Ltd filed Critical Humax Co Ltd
Priority to KR20020066047A priority Critical patent/KR100376060B1/ko
Application granted granted Critical
Publication of KR100376060B1 publication Critical patent/KR100376060B1/ko
Priority to US10/691,561 priority patent/US7421152B2/en
Priority to EP20030024360 priority patent/EP1416723B1/en
Priority to CNB200310102592XA priority patent/CN1322737C/zh
Priority to DE2003612456 priority patent/DE60312456T2/de
Priority to JP2003366708A priority patent/JP4768220B2/ja

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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
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/16—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter for a given display mode, e.g. for interlaced or progressive display mode
    • 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
    • H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
    • 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
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/2628—Alteration of picture size, shape, position or orientation, e.g. zooming, rotation, rolling, perspective, translation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR20020066047A 2002-10-25 2002-10-25 Method and system for re-setting image size using inverse discrete cosine transform KR100376060B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR20020066047A KR100376060B1 (en) 2002-10-25 2002-10-25 Method and system for re-setting image size using inverse discrete cosine transform
US10/691,561 US7421152B2 (en) 2002-10-25 2003-10-24 Method for resizing an image using the inverse discrete cosine transform
EP20030024360 EP1416723B1 (en) 2002-10-25 2003-10-24 Method for resizing an image using the inverse discrete cosine transform
CNB200310102592XA CN1322737C (zh) 2002-10-25 2003-10-24 使用逆离散余弦变换调整图像大小的方法
DE2003612456 DE60312456T2 (de) 2002-10-25 2003-10-24 Verfahren zur Grössenanderung eines Bildes mittels einer inversen diskreten Cosinustransformation
JP2003366708A JP4768220B2 (ja) 2002-10-25 2003-10-27 映像イメージサイズ変換方法及び映像イメージサイズ変換装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20020066047A KR100376060B1 (en) 2002-10-25 2002-10-25 Method and system for re-setting image size using inverse discrete cosine transform

Publications (1)

Publication Number Publication Date
KR100376060B1 true KR100376060B1 (en) 2003-03-17

Family

ID=32089768

Family Applications (1)

Application Number Title Priority Date Filing Date
KR20020066047A KR100376060B1 (en) 2002-10-25 2002-10-25 Method and system for re-setting image size using inverse discrete cosine transform

Country Status (6)

Country Link
US (1) US7421152B2 (ko)
EP (1) EP1416723B1 (ko)
JP (1) JP4768220B2 (ko)
KR (1) KR100376060B1 (ko)
CN (1) CN1322737C (ko)
DE (1) DE60312456T2 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7536063B2 (en) 2004-01-27 2009-05-19 Canon Kabushiki Kaisha Resolution conversion method and device

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KR100722972B1 (ko) * 2004-10-26 2007-05-30 삼성전자주식회사 디지털방송 수신기의 영상신호 처리 장치 및 방법
KR100723411B1 (ko) 2005-09-08 2007-05-30 삼성전자주식회사 멀티 코덱용 변환 장치 및 방법과 멀티 코덱용 역변환 장치및 방법
US8699810B2 (en) * 2006-06-26 2014-04-15 Qualcomm Incorporated Efficient fixed-point approximations of forward and inverse discrete cosine transforms
US8606023B2 (en) * 2006-06-26 2013-12-10 Qualcomm Incorporated Reduction of errors during computation of inverse discrete cosine transform
US8300698B2 (en) * 2006-10-23 2012-10-30 Qualcomm Incorporated Signalling of maximum dynamic range of inverse discrete cosine transform
TWI329846B (en) * 2007-01-31 2010-09-01 Novatek Microelectronics Corp Method for displaying images and display apparatus using the same
JP5035910B2 (ja) * 2008-06-27 2012-09-26 ソニー株式会社 画像処理装置および画像処理方法、並びにプログラム
US9531964B2 (en) 2013-03-14 2016-12-27 Drs Network & Imaging Systems, Llc Methods and system for producing a temperature map of a scene
WO2014144492A1 (en) 2013-03-15 2014-09-18 Drs Rsta, Inc. Method of shutterless non-uniformity correction for infrared imagers

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JPH06153069A (ja) * 1992-10-30 1994-05-31 Sony Corp 画像の変換装置、複製装置、再生装置、および表示装置
JPH0622291A (ja) * 1992-07-04 1994-01-28 G C Technol Kk 解像度変換可能な復号方法と装置
US5737019A (en) * 1996-01-29 1998-04-07 Matsushita Electric Corporation Of America Method and apparatus for changing resolution by direct DCT mapping
KR100328417B1 (ko) * 1998-03-05 2002-03-16 마츠시타 덴끼 산교 가부시키가이샤 화상부호화장치및화상복호화장치, 화상부보화방법 및 화상복호화방법, 및 데이터기억매체
US6792149B1 (en) * 1998-05-07 2004-09-14 Sarnoff Corporation Method and apparatus for resizing an image frame including field-mode encoding
JP2000023160A (ja) * 1998-07-02 2000-01-21 Matsushita Electric Ind Co Ltd 可変解像度ｍｐｅｇデコーダ
JP2000059793A (ja) * 1998-08-07 2000-02-25 Sony Corp 画像復号装置及び画像復号方法
US6445828B1 (en) * 1998-09-28 2002-09-03 Thomson Licensing S.A. Transform domain resizing of an image compressed with field encoded blocks
JP2000217111A (ja) * 1999-01-22 2000-08-04 Matsushita Electric Ind Co Ltd 画像サイズ変換可能なディジタル動画像復号装置およびプログラム記録媒体
US6658056B1 (en) * 1999-03-30 2003-12-02 Sony Corporation Digital video decoding, buffering and frame-rate converting method and apparatus
CN1154365C (zh) * 1999-07-20 2004-06-16 皇家菲利浦电子有限公司 无漂移代码转换器和相关的方法
JP2001218211A (ja) * 2000-02-04 2001-08-10 Canon Inc 画像処理装置及び方法並びに記憶媒体
US6647061B1 (en) * 2000-06-09 2003-11-11 General Instrument Corporation Video size conversion and transcoding from MPEG-2 to MPEG-4
JP2002044606A (ja) * 2000-07-31 2002-02-08 New Japan Radio Co Ltd 信号処理装置
JP2002305746A (ja) * 2001-04-05 2002-10-18 Nec Corp 画像復号処理装置および画像復号処理方法
US20030021486A1 (en) * 2001-07-27 2003-01-30 Tinku Acharya Method and apparatus for image scaling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7536063B2 (en) 2004-01-27 2009-05-19 Canon Kabushiki Kaisha Resolution conversion method and device

Also Published As

Publication number Publication date
DE60312456T2 (de) 2007-11-29
JP4768220B2 (ja) 2011-09-07
US7421152B2 (en) 2008-09-02
DE60312456D1 (de) 2007-04-26
EP1416723A2 (en) 2004-05-06
US20040091157A1 (en) 2004-05-13
EP1416723A3 (en) 2004-10-13
CN1322737C (zh) 2007-06-20
CN1501688A (zh) 2004-06-02
JP2004147335A (ja) 2004-05-20
EP1416723B1 (en) 2007-03-14

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