JPS58153450A - フアクシミリ情報等の解像度変換方法 - Google Patents

フアクシミリ情報等の解像度変換方法

Info

Publication number
JPS58153450A
JPS58153450A JP57035555A JP3555582A JPS58153450A JP S58153450 A JPS58153450 A JP S58153450A JP 57035555 A JP57035555 A JP 57035555A JP 3555582 A JP3555582 A JP 3555582A JP S58153450 A JPS58153450 A JP S58153450A
Authority
JP
Japan
Prior art keywords
information
pixel
conversion
resolution
black
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
JP57035555A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0235504B2 (enExample
Inventor
Mitsushi Matsumoto
充司 松本
Yutaka Suzuki
豊 鈴木
Naoki Kobayashi
直樹 小林
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.)
NTT Inc
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 JP57035555A priority Critical patent/JPS58153450A/ja
Publication of JPS58153450A publication Critical patent/JPS58153450A/ja
Publication of JPH0235504B2 publication Critical patent/JPH0235504B2/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
    • 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)
  • Editing Of Facsimile Originals (AREA)
JP57035555A 1982-03-06 1982-03-06 フアクシミリ情報等の解像度変換方法 Granted JPS58153450A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57035555A JPS58153450A (ja) 1982-03-06 1982-03-06 フアクシミリ情報等の解像度変換方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57035555A JPS58153450A (ja) 1982-03-06 1982-03-06 フアクシミリ情報等の解像度変換方法

Publications (2)

Publication Number Publication Date
JPS58153450A true JPS58153450A (ja) 1983-09-12
JPH0235504B2 JPH0235504B2 (enExample) 1990-08-10

Family

ID=12444967

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57035555A Granted JPS58153450A (ja) 1982-03-06 1982-03-06 フアクシミリ情報等の解像度変換方法

Country Status (1)

Country Link
JP (1) JPS58153450A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0616463A1 (en) * 1993-03-17 1994-09-21 Hewlett-Packard Company Method and apparatus for smoothed scaling of facsimile images

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5243312A (en) * 1975-10-03 1977-04-05 Kokusai Denshin Denwa Co Ltd <Kdd> Scanner density converting system of facsimile signal
JPS5368908A (en) * 1976-12-01 1978-06-19 Toshiba Corp Facsimile receiving system
JPS5666973A (en) * 1979-11-05 1981-06-05 Toshiba Corp Subscanning reduction system of facsimile equipment
JPS5813066A (ja) * 1981-07-17 1983-01-25 Fuji Xerox Co Ltd 画像縮小方式

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5243312A (en) * 1975-10-03 1977-04-05 Kokusai Denshin Denwa Co Ltd <Kdd> Scanner density converting system of facsimile signal
JPS5368908A (en) * 1976-12-01 1978-06-19 Toshiba Corp Facsimile receiving system
JPS5666973A (en) * 1979-11-05 1981-06-05 Toshiba Corp Subscanning reduction system of facsimile equipment
JPS5813066A (ja) * 1981-07-17 1983-01-25 Fuji Xerox Co Ltd 画像縮小方式

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0616463A1 (en) * 1993-03-17 1994-09-21 Hewlett-Packard Company Method and apparatus for smoothed scaling of facsimile images

Also Published As

Publication number Publication date
JPH0235504B2 (enExample) 1990-08-10

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