GB1514894A - Methods and apparatus for adding and/or removing background information to or from images - Google Patents

Methods and apparatus for adding and/or removing background information to or from images

Info

Publication number
GB1514894A
GB1514894A GB47017/76A GB4701776A GB1514894A GB 1514894 A GB1514894 A GB 1514894A GB 47017/76 A GB47017/76 A GB 47017/76A GB 4701776 A GB4701776 A GB 4701776A GB 1514894 A GB1514894 A GB 1514894A
Authority
GB
United Kingdom
Prior art keywords
background information
information
encoded
objects
images
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.)
Expired
Application number
GB47017/76A
Other languages
English (en)
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1514894A publication Critical patent/GB1514894A/en
Expired 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
    • H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/20—Contour coding, e.g. using detection of edges
    • 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
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Processing Or Creating Images (AREA)
  • Digital Computer Display Output (AREA)
GB47017/76A 1975-12-08 1976-11-11 Methods and apparatus for adding and/or removing background information to or from images Expired GB1514894A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/638,566 US4020462A (en) 1975-12-08 1975-12-08 Method and apparatus for form removal from contour compressed image data

Publications (1)

Publication Number Publication Date
GB1514894A true GB1514894A (en) 1978-06-21

Family

ID=24560552

Family Applications (1)

Application Number Title Priority Date Filing Date
GB47017/76A Expired GB1514894A (en) 1975-12-08 1976-11-11 Methods and apparatus for adding and/or removing background information to or from images

Country Status (7)

Country Link
US (1) US4020462A ( )
JP (2) JPS6058506B2 ( )
CA (1) CA1096971A ( )
DE (1) DE2653288C2 ( )
FR (1) FR2334998A1 ( )
GB (1) GB1514894A ( )
IT (1) IT1123618B ( )

Families Citing this family (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52105734A (en) * 1976-03-01 1977-09-05 Canon Inc Signal coverter
FR2395656A1 (fr) * 1977-05-31 1979-01-19 Cit Alcatel Installation de transmission de fac-similes, en particulier pour la reproduction de formulaires
US4125873A (en) * 1977-06-29 1978-11-14 International Business Machines Corporation Display compressed image refresh system
US4124871A (en) * 1977-08-31 1978-11-07 International Business Machines Corporation Image data resolution change apparatus and process utilizing boundary compression coding of objects
JPS5534790A (en) * 1978-09-05 1980-03-11 Fuji Photo Film Co Ltd Ruled line generation method
GB2030823B (en) * 1978-10-02 1982-11-03 Ibm Image data manipulation apparatus
US4338673A (en) * 1978-12-05 1982-07-06 Compugraphic Corporation Phototypesetting system and method
US4435723A (en) * 1980-08-08 1984-03-06 Konishiroku Photo Industry Co., Ltd. Recording apparatus with editing capability
JPS57150062A (en) * 1981-03-12 1982-09-16 Fuji Xerox Co Ltd Processing of papers
GB2101838B (en) * 1981-04-20 1986-03-05 Canon Kk Image processing method and apparatus therefor
JPS57178538A (en) * 1981-04-27 1982-11-02 Sharp Corp Printer
US4442545A (en) * 1981-05-27 1984-04-10 Rca Corporation Compaction of television display graphics in phantom-raster-scanned image memory
JPS583058A (ja) * 1981-06-30 1983-01-08 Shimadzu Corp 画像デ−タ圧縮復元装置
US4551766A (en) * 1982-03-08 1985-11-05 Halliburton Company Optical reader
US4531189A (en) * 1982-03-08 1985-07-23 Halliburton Company Data conversion, communication and analysis system
US4495639A (en) * 1982-03-08 1985-01-22 Halliburton Company Electronic data compressor
JPS5968040A (ja) * 1982-10-11 1984-04-17 Fujitsu Ltd カード様式変更処理方法
JPS59101969A (ja) * 1982-12-01 1984-06-12 Dainippon Screen Mfg Co Ltd ２値画像パタ−ンのデ−タ処理方法及び装置
JPS59105187A (ja) * 1982-12-07 1984-06-18 Canon Inc 電子メモ装置
US4620288A (en) * 1983-10-26 1986-10-28 American Semiconductor Equipment Technologies Data handling system for a pattern generator
JPS6323189A (ja) * 1986-06-03 1988-01-30 日本電気株式会社 記号発生回路
JPS63173485A (ja) * 1987-01-13 1988-07-18 Toshiba Corp 画像デ−タ圧縮装置
JPS63211994A (ja) * 1987-02-27 1988-09-05 Nec Home Electronics Ltd 画像信号発生回路
US5485531A (en) * 1987-12-17 1996-01-16 Fuji Electric Co., Ltd. Character-feature extraction device
US4949392A (en) * 1988-05-20 1990-08-14 Eastman Kodak Company Document recognition and automatic indexing for optical character recognition
US5048096A (en) * 1989-12-01 1991-09-10 Eastman Kodak Company Bi-tonal image non-text matter removal with run length and connected component analysis
JP3048161B2 (ja) * 1989-12-29 2000-06-05 キヤノン株式会社 カラー画像伝送方法
JPH04343190A (ja) * 1991-05-21 1992-11-30 Hitachi Ltd 文字データ入力方式
US5416849A (en) * 1992-10-21 1995-05-16 International Business Machines Corporation Data processing system and method for field extraction of scanned images of document forms
TW413771B (en) * 1994-12-27 2000-12-01 Cyrix Corp Image regeneration compression system, the computer containing the same, and the image regeneration method
US5610995A (en) * 1995-06-06 1997-03-11 United Parcel Service Of America, Inc. Method and apparatus for compressing images containing optical symbols
KR100229545B1 (ko) * 1997-04-11 1999-11-15 전주범 윤곽선 영상 부호화에서의 윤곽선 복호화 장치
US6683984B1 (en) * 2000-07-31 2004-01-27 Hewlett-Packard Development Company, L.P. Digital imaging device with background training
US7440633B2 (en) * 2003-12-19 2008-10-21 Sharp Laboratories Of America, Inc. Enhancing the quality of decoded quantized images
US7424168B2 (en) * 2003-12-24 2008-09-09 Sharp Laboratories Of America, Inc. Enhancing the quality of decoded quantized images
US7424166B2 (en) * 2003-12-24 2008-09-09 Sharp Laboratories Of America, Inc. Enhancing the quality of decoded quantized images
US7400779B2 (en) * 2004-01-08 2008-07-15 Sharp Laboratories Of America, Inc. Enhancing the quality of decoded quantized images
US8947465B2 (en) * 2004-12-02 2015-02-03 Sharp Laboratories Of America, Inc. Methods and systems for display-mode-dependent brightness preservation
US7800577B2 (en) * 2004-12-02 2010-09-21 Sharp Laboratories Of America, Inc. Methods and systems for enhancing display characteristics
US8922594B2 (en) * 2005-06-15 2014-12-30 Sharp Laboratories Of America, Inc. Methods and systems for enhancing display characteristics with high frequency contrast enhancement
US8913089B2 (en) * 2005-06-15 2014-12-16 Sharp Laboratories Of America, Inc. Methods and systems for enhancing display characteristics with frequency-specific gain
US7924261B2 (en) * 2004-12-02 2011-04-12 Sharp Laboratories Of America, Inc. Methods and systems for determining a display light source adjustment
US8004511B2 (en) * 2004-12-02 2011-08-23 Sharp Laboratories Of America, Inc. Systems and methods for distortion-related source light management
US7782405B2 (en) * 2004-12-02 2010-08-24 Sharp Laboratories Of America, Inc. Systems and methods for selecting a display source light illumination level
US7515160B2 (en) * 2006-07-28 2009-04-07 Sharp Laboratories Of America, Inc. Systems and methods for color preservation with image tone scale corrections
US7982707B2 (en) * 2004-12-02 2011-07-19 Sharp Laboratories Of America, Inc. Methods and systems for generating and applying image tone scale adjustments
US7768496B2 (en) * 2004-12-02 2010-08-03 Sharp Laboratories Of America, Inc. Methods and systems for image tonescale adjustment to compensate for a reduced source light power level
US7961199B2 (en) * 2004-12-02 2011-06-14 Sharp Laboratories Of America, Inc. Methods and systems for image-specific tone scale adjustment and light-source control
US9083969B2 (en) * 2005-08-12 2015-07-14 Sharp Laboratories Of America, Inc. Methods and systems for independent view adjustment in multiple-view displays
US8120570B2 (en) 2004-12-02 2012-02-21 Sharp Laboratories Of America, Inc. Systems and methods for tone curve generation, selection and application
US7839406B2 (en) * 2006-03-08 2010-11-23 Sharp Laboratories Of America, Inc. Methods and systems for enhancing display characteristics with ambient illumination input
US7826681B2 (en) * 2007-02-28 2010-11-02 Sharp Laboratories Of America, Inc. Methods and systems for surround-specific display modeling
US8000535B2 (en) * 2007-06-18 2011-08-16 Sharp Laboratories Of America, Inc. Methods and systems for refining text segmentation results
US8155434B2 (en) 2007-10-30 2012-04-10 Sharp Laboratories Of America, Inc. Methods and systems for image enhancement
US9177509B2 (en) * 2007-11-30 2015-11-03 Sharp Laboratories Of America, Inc. Methods and systems for backlight modulation with scene-cut detection
US8378956B2 (en) * 2007-11-30 2013-02-19 Sharp Laboratories Of America, Inc. Methods and systems for weighted-error-vector-based source light selection
US8169431B2 (en) 2007-12-26 2012-05-01 Sharp Laboratories Of America, Inc. Methods and systems for image tonescale design
US8179363B2 (en) * 2007-12-26 2012-05-15 Sharp Laboratories Of America, Inc. Methods and systems for display source light management with histogram manipulation
US8223113B2 (en) * 2007-12-26 2012-07-17 Sharp Laboratories Of America, Inc. Methods and systems for display source light management with variable delay
US8207932B2 (en) 2007-12-26 2012-06-26 Sharp Laboratories Of America, Inc. Methods and systems for display source light illumination level selection
US8203579B2 (en) * 2007-12-26 2012-06-19 Sharp Laboratories Of America, Inc. Methods and systems for backlight modulation with image characteristic mapping
US8531379B2 (en) * 2008-04-28 2013-09-10 Sharp Laboratories Of America, Inc. Methods and systems for image compensation for ambient conditions
JP2009278242A (ja) * 2008-05-13 2009-11-26 Konica Minolta Business Technologies Inc 画像合成方法及び印刷システム並びに画像合成プログラム
US8416179B2 (en) 2008-07-10 2013-04-09 Sharp Laboratories Of America, Inc. Methods and systems for color preservation with a color-modulated backlight
US9330630B2 (en) * 2008-08-30 2016-05-03 Sharp Laboratories Of America, Inc. Methods and systems for display source light management with rate change control
US8165724B2 (en) * 2009-06-17 2012-04-24 Sharp Laboratories Of America, Inc. Methods and systems for power-controlling display devices
US20110001737A1 (en) * 2009-07-02 2011-01-06 Kerofsky Louis J Methods and Systems for Ambient-Adaptive Image Display
US20110074803A1 (en) * 2009-09-29 2011-03-31 Louis Joseph Kerofsky Methods and Systems for Ambient-Illumination-Selective Display Backlight Modification and Image Enhancement
US8786666B2 (en) 2010-04-27 2014-07-22 Lifesize Communications, Inc. Providing separate video and presentation streams to a recording server
US8786667B2 (en) 2011-04-26 2014-07-22 Lifesize Communications, Inc. Distributed recording of a videoconference in multiple formats
US8780166B2 (en) 2011-04-26 2014-07-15 Lifesize Communications, Inc. Collaborative recording of a videoconference using a recording server

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3872462A (en) * 1955-06-14 1975-03-18 Jerome H Lemelson Form filling system and method
US3166636A (en) * 1960-12-30 1965-01-19 Electrada Corp Data composer
US3496543A (en) * 1967-01-27 1970-02-17 Singer General Precision On-line read/copy data processing system accepting printed and graphic material
US3744899A (en) * 1968-09-06 1973-07-10 Ibm Method of preparing documents
US3820067A (en) * 1969-11-14 1974-06-25 Cognitronics Corp Character reading system controlled by preprinted program control characters on document form
US3710321A (en) * 1971-01-18 1973-01-09 Ibm Machine recognition of lexical symbols
US3863218A (en) * 1973-01-26 1975-01-28 Hitachi Ltd Pattern feature detection system

Also Published As

Publication number Publication date
FR2334998B1 ( ) 1980-05-09
DE2653288C2 (de) 1983-08-25
JPS5932242A (ja) 1984-02-21
CA1096971A (en) 1981-03-03
JPS5271136A (en) 1977-06-14
JPS6058506B2 (ja) 1985-12-20
FR2334998A1 (fr) 1977-07-08
JPS6035867B2 (ja) 1985-08-16
IT1123618B (it) 1986-04-30
US4020462A (en) 1977-04-26
DE2653288A1 (de) 1977-06-23

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19961110