HK1083678A1 - Jpeg-compressed file creating method, jpeg-compressed file creating apparatus and image processing apparatus - Google Patents

Jpeg-compressed file creating method, jpeg-compressed file creating apparatus and image processing apparatus

Info

Publication number
HK1083678A1
HK1083678A1 HK06103711A HK06103711A HK1083678A1 HK 1083678 A1 HK1083678 A1 HK 1083678A1 HK 06103711 A HK06103711 A HK 06103711A HK 06103711 A HK06103711 A HK 06103711A HK 1083678 A1 HK1083678 A1 HK 1083678A1
Authority
HK
Hong Kong
Prior art keywords
jpeg
compressed file
file creating
image processing
processing apparatus
Prior art date
Application number
HK06103711A
Other languages
English (en)
Inventor
Shigeo Ando
Yasuo Maeda
Mitsunobu Yoshinaga
Kanae Ikeda
Satoshi Minami
Kyosuke Yoshimoto
Aki Kimura
Original Assignee
Mitsubishi Electric 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
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of HK1083678A1 publication Critical patent/HK1083678A1/xx

Links

Classifications

    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
HK06103711A 2003-03-13 2006-03-24 Jpeg-compressed file creating method, jpeg-compressed file creating apparatus and image processing apparatus HK1083678A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003067891A JP3625211B2 (ja) 2003-03-13 2003-03-13 Ｊｐｅｇ圧縮ファイルの生成方法およびｊｐｅｇ圧縮ファイルの生成装置および画像処理装置
PCT/JP2004/003344 WO2004082260A1 (ja) 2003-03-13 2004-03-12 Ｊｐｅｇ圧縮ファイルの生成方法

Publications (1)

Publication Number Publication Date
HK1083678A1 true HK1083678A1 (en) 2006-07-07

Family

ID=32984574

Family Applications (1)

Application Number Title Priority Date Filing Date
HK06103711A HK1083678A1 (en) 2003-03-13 2006-03-24 Jpeg-compressed file creating method, jpeg-compressed file creating apparatus and image processing apparatus

Country Status (6)

Country Link
US (1) US7599564B2 (zh)
JP (1) JP3625211B2 (zh)
CN (1) CN100391229C (zh)
DE (1) DE112004000422B4 (zh)
HK (1) HK1083678A1 (zh)
WO (1) WO2004082260A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101742279B (zh) * 2008-11-11 2011-09-28 华晶科技股份有限公司 Jpeg影像的压缩比的调整方法及其电子装置
US9111329B2 (en) 2011-12-26 2015-08-18 Samsung Electronics Co., Ltd Method and apparatus for compressing images

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2872257B2 (ja) * 1989-01-31 1999-03-17 コニカ株式会社 画像データの圧縮装置
JP2882663B2 (ja) * 1990-05-28 1999-04-12 株式会社リコー 画像符号量予測符号化方法および装置
US5333212A (en) * 1991-03-04 1994-07-26 Storm Technology Image compression technique with regionally selective compression ratio
WO1993019434A1 (en) * 1992-03-17 1993-09-30 Zoran Corporation Image compression coder having improved bit rate control and block allocation
JP3632995B2 (ja) * 1994-09-01 2005-03-30 松下電器産業株式会社 画像符号化復号装置
US6285793B1 (en) * 1995-11-06 2001-09-04 Siemens Medical Systems, Inc. Method and apparatus for automatically determining a quantization factor value that produces a desired average compression ratio of an image sequence using JPEG compression
JPH09168149A (ja) * 1995-12-15 1997-06-24 Hitachi Ltd デジタル画像データ圧縮方法及びデジタル画像処理システム
JPH1023413A (ja) * 1996-07-03 1998-01-23 Fuji Xerox Co Ltd 符号化装置
JPH1066004A (ja) 1996-08-22 1998-03-06 Sanyo Electric Co Ltd 画像ファイルサイズ制御装置
US20020001412A1 (en) * 1998-07-21 2002-01-03 Hewlett-Packard Company System for variable quantization in jpeg for compound documents
US6349151B1 (en) * 1998-12-29 2002-02-19 Eastman Kodak Company Method and apparatus for visually optimized compression parameters
JP2000354246A (ja) * 1999-06-10 2000-12-19 Sony Corp 画像圧縮制御装置およびそれを用いた撮像システム
US6549674B1 (en) * 2000-10-12 2003-04-15 Picsurf, Inc. Image compression based on tiled wavelet-like transform using edge and non-edge filters
JP3697404B2 (ja) * 2001-06-01 2005-09-21 株式会社東芝 移動通信端末
US7120303B2 (en) * 2002-06-28 2006-10-10 International Business Machines Corporation Adaptive generation of Q-table2 for improved image quality

Also Published As

Publication number Publication date
CN1698345A (zh) 2005-11-16
JP2004282205A (ja) 2004-10-07
DE112004000422T5 (de) 2006-01-19
JP3625211B2 (ja) 2005-03-02
US7599564B2 (en) 2009-10-06
DE112004000422B4 (de) 2011-05-05
US20070036451A1 (en) 2007-02-15
WO2004082260A1 (ja) 2004-09-23
CN100391229C (zh) 2008-05-28

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20130312