JPS61238176A - 中間調ファクシミリ信号処理方法 - Google Patents

中間調ファクシミリ信号処理方法

Info

Publication number
JPS61238176A
JPS61238176A JP60079874A JP7987485A JPS61238176A JP S61238176 A JPS61238176 A JP S61238176A JP 60079874 A JP60079874 A JP 60079874A JP 7987485 A JP7987485 A JP 7987485A JP S61238176 A JPS61238176 A JP S61238176A
Authority
JP
Japan
Prior art keywords
block
halftone
signal level
signal
pixels
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.)
Granted
Application number
JP60079874A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0453354B2 (enrdf_load_stackoverflow
Inventor
Hisashi Ibaraki
久 茨木
Makoto Kobayashi
誠 小林
Hiroshi Ochi
宏 越智
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP60079874A priority Critical patent/JPS61238176A/ja
Priority to EP86400020A priority patent/EP0187724B1/en
Priority to DE8686400020T priority patent/DE3686821T2/de
Priority to US06/817,046 priority patent/US4722008A/en
Publication of JPS61238176A publication Critical patent/JPS61238176A/ja
Publication of JPH0453354B2 publication Critical patent/JPH0453354B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
JP60079874A 1985-01-10 1985-04-15 中間調ファクシミリ信号処理方法 Granted JPS61238176A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP60079874A JPS61238176A (ja) 1985-04-15 1985-04-15 中間調ファクシミリ信号処理方法
EP86400020A EP0187724B1 (en) 1985-01-10 1986-01-07 Halftone picture processing apparatus
DE8686400020T DE3686821T2 (de) 1985-01-10 1986-01-07 Halbtonbildverarbeitungseinrichtung.
US06/817,046 US4722008A (en) 1985-01-10 1986-01-08 Halftone picture processing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60079874A JPS61238176A (ja) 1985-04-15 1985-04-15 中間調ファクシミリ信号処理方法

Publications (2)

Publication Number Publication Date
JPS61238176A true JPS61238176A (ja) 1986-10-23
JPH0453354B2 JPH0453354B2 (enrdf_load_stackoverflow) 1992-08-26

Family

ID=13702368

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60079874A Granted JPS61238176A (ja) 1985-01-10 1985-04-15 中間調ファクシミリ信号処理方法

Country Status (1)

Country Link
JP (1) JPS61238176A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01233890A (ja) * 1988-03-15 1989-09-19 Canon Inc 画像データ符号化装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01233890A (ja) * 1988-03-15 1989-09-19 Canon Inc 画像データ符号化装置

Also Published As

Publication number Publication date
JPH0453354B2 (enrdf_load_stackoverflow) 1992-08-26

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees