JPH0113266B2 - - Google Patents

Info

Publication number
JPH0113266B2
JPH0113266B2 JP55027556A JP2755680A JPH0113266B2 JP H0113266 B2 JPH0113266 B2 JP H0113266B2 JP 55027556 A JP55027556 A JP 55027556A JP 2755680 A JP2755680 A JP 2755680A JP H0113266 B2 JPH0113266 B2 JP H0113266B2
Authority
JP
Japan
Prior art keywords
density
pixel
divided small
level
determined
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
JP55027556A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56123175A (en
Inventor
Keiji Sekikawa
Morisumi Kurose
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 JP2755680A priority Critical patent/JPS56123175A/ja
Publication of JPS56123175A publication Critical patent/JPS56123175A/ja
Publication of JPH0113266B2 publication Critical patent/JPH0113266B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4007—Scaling of whole images or parts thereof, e.g. expanding or contracting based on interpolation, e.g. bilinear interpolation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Image Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
JP2755680A 1980-03-05 1980-03-05 Forecasting and restoring method for picture Granted JPS56123175A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2755680A JPS56123175A (en) 1980-03-05 1980-03-05 Forecasting and restoring method for picture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2755680A JPS56123175A (en) 1980-03-05 1980-03-05 Forecasting and restoring method for picture

Publications (2)

Publication Number Publication Date
JPS56123175A JPS56123175A (en) 1981-09-28
JPH0113266B2 true JPH0113266B2 (enrdf_load_stackoverflow) 1989-03-06

Family

ID=12224319

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2755680A Granted JPS56123175A (en) 1980-03-05 1980-03-05 Forecasting and restoring method for picture

Country Status (1)

Country Link
JP (1) JPS56123175A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0740299B2 (ja) * 1986-02-07 1995-05-01 キヤノン株式会社 画像処理装置
JP2596777B2 (ja) * 1988-02-24 1997-04-02 三菱電機株式会社 ビデオプリンタの信号処理装置

Also Published As

Publication number Publication date
JPS56123175A (en) 1981-09-28

Similar Documents

Publication Publication Date Title
US4366507A (en) Shaded picture signal processing system and method
US5491564A (en) Data compression method and apparatus for binary image using Markov model encoding
JPS55112076A (en) Predictive restoration method for high-density picture element
ATE75571T1 (de) System zur erzeugung von zitterbildern aus tonkontinuierlichen bilddaten.
JPS6348225B2 (enrdf_load_stackoverflow)
JPH0113266B2 (enrdf_load_stackoverflow)
JPS6255344B2 (enrdf_load_stackoverflow)
JPS6253107B2 (enrdf_load_stackoverflow)
JPH082083B2 (ja) 多値画像のブロック符号化装置
JPS6213165A (ja) 画信号符号化方式
JP3259989B2 (ja) ２値と多値の混在符号化画像データ復元方法および装置
JPS58215165A (ja) 線密度変換方式
JPS5757088A (en) Adaptive quantization circuit
JPH0730757A (ja) 画像データ処理装置
JPS55124363A (en) Predicting restoration method for picture signal
JPH0562863B2 (enrdf_load_stackoverflow)
JPS55138970A (en) Image processing method
JPS5630366A (en) Picture coding method
JPS6367394B2 (enrdf_load_stackoverflow)
JPS6255345B2 (enrdf_load_stackoverflow)
JPS57147376A (en) Picture discriminating method
JPS6159589B2 (enrdf_load_stackoverflow)
JPH0382269A (ja) 画像処理装置
JPS59171262A (ja) 多階調画像信号の符号化方法
JPS5970364A (ja) フアクシミリ信号処理方法