JPH1042144A - グレースケール画像の符号化方法および装置 - Google Patents

グレースケール画像の符号化方法および装置

Info

Publication number
JPH1042144A
JPH1042144A JP9065982A JP6598297A JPH1042144A JP H1042144 A JPH1042144 A JP H1042144A JP 9065982 A JP9065982 A JP 9065982A JP 6598297 A JP6598297 A JP 6598297A JP H1042144 A JPH1042144 A JP H1042144A
Authority
JP
Japan
Prior art keywords
image
data
compression
memory
compressed
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
JP9065982A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1042144A5 (enExample
Inventor
Robert A Rust
ロバート・エイ・ラスト
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of JPH1042144A publication Critical patent/JPH1042144A/ja
Publication of JPH1042144A5 publication Critical patent/JPH1042144A5/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41—Bandwidth or redundancy reduction
    • H04N1/4105—Bandwidth or redundancy reduction for halftone screened pictures
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/005—Statistical coding, e.g. Huffman, run length coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
JP9065982A 1996-03-22 1997-03-19 グレースケール画像の符号化方法および装置 Pending JPH1042144A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62063696A 1996-03-22 1996-03-22
US620,636 1996-03-22

Publications (2)

Publication Number Publication Date
JPH1042144A true JPH1042144A (ja) 1998-02-13
JPH1042144A5 JPH1042144A5 (enExample) 2004-07-22

Family

ID=24486724

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9065982A Pending JPH1042144A (ja) 1996-03-22 1997-03-19 グレースケール画像の符号化方法および装置

Country Status (2)

Country Link
EP (1) EP0797348A3 (enExample)
JP (1) JPH1042144A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7245396B2 (en) 2001-12-06 2007-07-17 Canon Kabushiki Kaisha Image data coding apparatus, image data decoding apparatus, image data coding method and image data decoding method
CN101282406A (zh) * 2001-12-06 2008-10-08 佳能株式会社 图像处理装置
JP2009273121A (ja) * 2008-05-09 2009-11-19 Samsung Electronics Co Ltd 映像符号化及び復号化方法及び装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE521925C2 (sv) * 1997-11-21 2003-12-16 Ericsson Telefon Ab L M Förfarande och anordning vid datakompromering
US6094151A (en) * 1998-01-05 2000-07-25 Ricoh Company, Ltd. Apparatus and method for finite state machine coding of information selecting most probable state subintervals
FR2852179A1 (fr) 2003-03-06 2004-09-10 Thomson Licensing Sa Procede de codage d'une image video
AU2005248949B2 (en) 2005-12-23 2010-04-01 Canon Kabushiki Kaisha Efficient Halftone Image Compression

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4943869A (en) * 1987-05-06 1990-07-24 Fuji Photo Film Co., Ltd. Compression method for dot image data
US5463703A (en) * 1994-02-10 1995-10-31 Lin; Bob Dither picture data pre-compression processing method
JPH07322074A (ja) * 1994-05-16 1995-12-08 Internatl Business Mach Corp <Ibm> ディザリングされた２レベル・イメージ・ファイルを処理するためのデータ処理装置および方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7245396B2 (en) 2001-12-06 2007-07-17 Canon Kabushiki Kaisha Image data coding apparatus, image data decoding apparatus, image data coding method and image data decoding method
CN101282406A (zh) * 2001-12-06 2008-10-08 佳能株式会社 图像处理装置
JP2009273121A (ja) * 2008-05-09 2009-11-19 Samsung Electronics Co Ltd 映像符号化及び復号化方法及び装置

Also Published As

Publication number Publication date
EP0797348A2 (en) 1997-09-24
EP0797348A3 (en) 1999-01-20

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