JPH0370433B2 - - Google Patents

Info

Publication number
JPH0370433B2
JPH0370433B2 JP57056210A JP5621082A JPH0370433B2 JP H0370433 B2 JPH0370433 B2 JP H0370433B2 JP 57056210 A JP57056210 A JP 57056210A JP 5621082 A JP5621082 A JP 5621082A JP H0370433 B2 JPH0370433 B2 JP H0370433B2
Authority
JP
Japan
Prior art keywords
pixel
level
density
output
interest
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 - Lifetime
Application number
JP57056210A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58173974A (ja
Inventor
Shingo Yamaguchi
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 JP57056210A priority Critical patent/JPS58173974A/ja
Publication of JPS58173974A publication Critical patent/JPS58173974A/ja
Publication of JPH0370433B2 publication Critical patent/JPH0370433B2/ja
Granted 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Input (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP57056210A 1982-04-05 1982-04-05 画像鮮明化処理方法 Granted JPS58173974A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57056210A JPS58173974A (ja) 1982-04-05 1982-04-05 画像鮮明化処理方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57056210A JPS58173974A (ja) 1982-04-05 1982-04-05 画像鮮明化処理方法

Publications (2)

Publication Number Publication Date
JPS58173974A JPS58173974A (ja) 1983-10-12
JPH0370433B2 true JPH0370433B2 (enrdf_load_stackoverflow) 1991-11-07

Family

ID=13020737

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57056210A Granted JPS58173974A (ja) 1982-04-05 1982-04-05 画像鮮明化処理方法

Country Status (1)

Country Link
JP (1) JPS58173974A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0148959B1 (en) * 1983-12-23 1989-02-22 Agfa-Gevaert N.V. Signal-processing device
JPH0797828B2 (ja) * 1986-02-07 1995-10-18 キヤノン株式会社 画像処理装置
JPS62299177A (ja) * 1986-06-18 1987-12-26 Fujitsu Ltd 画像補正回路
JPS633563A (ja) * 1986-06-23 1988-01-08 Ricoh Co Ltd エツジ強調方式
JPS63223975A (ja) * 1987-03-13 1988-09-19 Ricoh Co Ltd 画像の輪郭抽出方式
CN109497887B (zh) * 2018-11-06 2020-10-30 浙江义乌舒美佳科技股份有限公司 安全型桶式吸尘器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53140101A (en) * 1977-05-12 1978-12-06 Dainippon Screen Mfg Method for emphasizing figure analysis power for use in device for scanning and recording figure
JPS55135464A (en) * 1979-04-09 1980-10-22 Matsushita Giken Kk Signal processing system
JPS568140A (en) * 1979-07-02 1981-01-27 Dainippon Screen Mfg Co Ltd Emphasizing method of sharpness in image scanning and recording apparatus

Also Published As

Publication number Publication date
JPS58173974A (ja) 1983-10-12

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