JPS55120265A - Picture forecasting restoring method - Google Patents

Picture forecasting restoring method

Info

Publication number
JPS55120265A
JPS55120265A JP2650279A JP2650279A JPS55120265A JP S55120265 A JPS55120265 A JP S55120265A JP 2650279 A JP2650279 A JP 2650279A JP 2650279 A JP2650279 A JP 2650279A JP S55120265 A JPS55120265 A JP S55120265A
Authority
JP
Japan
Prior art keywords
constitution
picture element
level
density
picture
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
JP2650279A
Other languages
English (en)
Inventor
Keiji Sekikawa
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP2650279A priority Critical patent/JPS55120265A/ja
Priority to US06/127,471 priority patent/US4323974A/en
Priority to DE19803008898 priority patent/DE3008898A1/de
Publication of JPS55120265A publication Critical patent/JPS55120265A/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
    • H04N1/40—Picture signal circuits
    • H04N1/40068—Modification of image resolution, i.e. determining the values of picture elements at new relative positions

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2650279A 1979-03-07 1979-03-07 Picture forecasting restoring method Pending JPS55120265A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2650279A JPS55120265A (en) 1979-03-07 1979-03-07 Picture forecasting restoring method
US06/127,471 US4323974A (en) 1979-03-07 1980-03-05 Method of restoring a picture through estimation
DE19803008898 DE3008898A1 (de) 1979-03-07 1980-03-07 Verfahren zum wiederherstellen eines bildes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2650279A JPS55120265A (en) 1979-03-07 1979-03-07 Picture forecasting restoring method

Publications (1)

Publication Number Publication Date
JPS55120265A true JPS55120265A (en) 1980-09-16

Family

ID=12195253

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2650279A Pending JPS55120265A (en) 1979-03-07 1979-03-07 Picture forecasting restoring method

Country Status (3)

Country Link
US (1) US4323974A (ja)
JP (1) JPS55120265A (ja)
DE (1) DE3008898A1 (ja)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55162179A (en) * 1979-06-02 1980-12-17 Ricoh Co Ltd Picture processing method
US4450483A (en) * 1981-09-02 1984-05-22 Westinghouse Electric Corp. Circuit for improving the quality of digitized line images
US4590558A (en) * 1981-12-30 1986-05-20 General Electric Company Method and apparatus for removing objects from CT images
DE3484661D1 (de) * 1983-03-08 1991-07-11 Canon Kk Bildverarbeitungsgeraet.
US4598372A (en) * 1983-12-28 1986-07-01 Motorola, Inc. Apparatus and method of smoothing MAPS compressed image data
DE3437236A1 (de) * 1984-10-10 1986-04-17 Günter Dr.-Ing. 2073 Lütjensee Basler Verfahren zur durchstrahlungspruefung mittels roentgen- und gammastrahlung mit kleinen nebenzeiten
JPS61102253A (ja) * 1984-10-26 1986-05-20 Dainippon Screen Mfg Co Ltd インキ供給量データファイル作成方法及びインキ供給量データ作成方法
US4685145A (en) * 1984-12-07 1987-08-04 Fingermatrix, Inc. Conversion of an image represented by a field of pixels in a gray scale to a field of pixels in binary scale
JPS61203785A (ja) * 1985-03-07 1986-09-09 Dainippon Screen Mfg Co Ltd ２値画像デ−タの平滑化処理方法及びその装置
JPS62178069A (ja) * 1986-01-31 1987-08-05 Toshiba Corp フアクシミリ記録方式
US4907152A (en) * 1986-09-25 1990-03-06 The Boeing Company Method of improving CT resolution
JP2577748B2 (ja) * 1986-12-01 1997-02-05 サカタインクス株式会社 画像信号の補間方法及びそれを実施する画像信号処理装置
GB8704051D0 (en) * 1987-02-20 1987-03-25 Thermoteknix Systems Ltd Printer control system
US4855943A (en) * 1987-07-24 1989-08-08 Eastman Kodak Company Method and apparatus for deaveraging a stream of averaged data
US4829380A (en) * 1987-12-09 1989-05-09 General Motors Corporation Video processor
DE69231481T2 (de) * 1991-07-10 2001-02-08 Fujitsu Ltd., Kawasaki Bilderzeugungsgerät
KR940005247B1 (ko) * 1991-12-07 1994-06-15 삼성전자 주식회사 화상처리 시스템의 해상도 변환방법
US5815605A (en) * 1992-07-17 1998-09-29 Ricoh Company, Ltd. Image processing system and method
US5701363A (en) * 1993-06-18 1997-12-23 Ricoh Company, Ltd. Binary to multi-value conversion apparatus for improved image reduction and enlargement
US5717782A (en) * 1993-12-17 1998-02-10 Wyko Corporation Method and apparatus for restoring digitized video pictures generated by an optical surface-height profiler
US5754751A (en) * 1996-03-07 1998-05-19 Hewlett-Packard Company Software-based procedure and apparatus for enhancement of a gray level image
US5657430A (en) * 1996-03-07 1997-08-12 Hewlett-Packard Company Software-based procedure for conversion of a scalable font character bitmap to a gray level bitmap
US6573034B2 (en) * 2001-01-25 2003-06-03 Photo Murabayashi Ltd. Method of restoring black-and-white picture under aging phenomena

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4150401A (en) * 1975-10-03 1979-04-17 Kokusai Denshin Denwa Kabushiki Kaisha Facsimile signal converter
FR2391610A1 (fr) * 1977-05-16 1978-12-15 Matra Perfectionnements aux procedes et dispositifs de restitution et de reproduction d'images
US4127873A (en) * 1977-05-20 1978-11-28 Rca Corporation Image resolution enhancement method and apparatus
US4215414A (en) * 1978-03-07 1980-07-29 Hughes Aircraft Company Pseudogaussian video output processing for digital display
US4184206A (en) * 1978-03-07 1980-01-15 Hughes Aircraft Company Subpixel X-Y coordinate encoding

Also Published As

Publication number Publication date
US4323974A (en) 1982-04-06
DE3008898A1 (de) 1980-09-18

Similar Documents

Publication Publication Date Title
JPS55120265A (en) Picture forecasting restoring method
US4258393A (en) Picture processing method
EP0052187B1 (en) Optical density representing input signal thresholder
KR970049858A (ko) 화상 처리 방법 및 장치
JPS55162179A (en) Picture processing method
US4701806A (en) Adaptive pseudo halftone generator
JPS57193173A (en) Picture scanning and recording method
JP3593431B2 (ja) カラー／テクスチャ情報変換装置
JPS5523653A (en) Reproducing method of intermediate tone
JPS5814673A (ja) 階調信号復元方式
JPS54144127A (en) Display system of intermediate tone by binary picture element
JPS5676684A (en) Quantizing method of facsimile signal
JPS5632873A (en) Picture forecasting-restoring method
JPS5558668A (en) Picture signal processing system
JPS6145676A (ja) デイジタル複写機
JPS5630361A (en) Picture processing method
JPS55138969A (en) Image processing method
JPS6137665B2 (ja)
JPS5713858A (en) Adaptive quantization device
JPS55161467A (en) Picture processing method
JPS60236582A (ja) 画信号量子化方式
JPS57185770A (en) Noise rejecting method
JPS581376A (ja) 任意なパタ−ンまたは景色からのビデオ信号の適応符号化装置
JPS62183681A (ja) 画像信号の量子化方式
JPS57119561A (en) Binary-coding processing method for analog picture signal