JPS55135464A - Signal processing system - Google Patents

Signal processing system

Info

Publication number
JPS55135464A
JPS55135464A JP4324579A JP4324579A JPS55135464A JP S55135464 A JPS55135464 A JP S55135464A JP 4324579 A JP4324579 A JP 4324579A JP 4324579 A JP4324579 A JP 4324579A JP S55135464 A JPS55135464 A JP S55135464A
Authority
JP
Japan
Prior art keywords
signal
differential signal
sharp
contour
flat part
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
JP4324579A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6336185B2 (enrdf_load_stackoverflow
Inventor
Hiroaki Kodera
Yukifumi Tsuda
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.)
Matsushita Giken KK
Original Assignee
Matsushita Giken KK
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 Matsushita Giken KK filed Critical Matsushita Giken KK
Priority to JP4324579A priority Critical patent/JPS55135464A/ja
Publication of JPS55135464A publication Critical patent/JPS55135464A/ja
Publication of JPS6336185B2 publication Critical patent/JPS6336185B2/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
    • H04N1/409—Edge or detail enhancement; Noise or error suppression

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Heads (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP4324579A 1979-04-09 1979-04-09 Signal processing system Granted JPS55135464A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4324579A JPS55135464A (en) 1979-04-09 1979-04-09 Signal processing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4324579A JPS55135464A (en) 1979-04-09 1979-04-09 Signal processing system

Publications (2)

Publication Number Publication Date
JPS55135464A true JPS55135464A (en) 1980-10-22
JPS6336185B2 JPS6336185B2 (enrdf_load_stackoverflow) 1988-07-19

Family

ID=12658494

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4324579A Granted JPS55135464A (en) 1979-04-09 1979-04-09 Signal processing system

Country Status (1)

Country Link
JP (1) JPS55135464A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58173974A (ja) * 1982-04-05 1983-10-12 Ricoh Co Ltd 画像鮮明化処理方法
JPS58175364A (ja) * 1982-04-08 1983-10-14 Ricoh Co Ltd 画像鮮明化処理方法
JPS58182957A (ja) * 1982-04-20 1983-10-26 Fuji Photo Film Co Ltd 画像の鮮鋭度強調方式
JPS5990461A (ja) * 1982-11-15 1984-05-24 Matsushita Graphic Commun Syst Inc 画像処理方式
JPH02112380A (ja) * 1988-10-20 1990-04-25 Fuji Photo Film Co Ltd 画像信号処理方法およびその装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58173974A (ja) * 1982-04-05 1983-10-12 Ricoh Co Ltd 画像鮮明化処理方法
JPS58175364A (ja) * 1982-04-08 1983-10-14 Ricoh Co Ltd 画像鮮明化処理方法
JPS58182957A (ja) * 1982-04-20 1983-10-26 Fuji Photo Film Co Ltd 画像の鮮鋭度強調方式
JPS5990461A (ja) * 1982-11-15 1984-05-24 Matsushita Graphic Commun Syst Inc 画像処理方式
JPH02112380A (ja) * 1988-10-20 1990-04-25 Fuji Photo Film Co Ltd 画像信号処理方法およびその装置

Also Published As

Publication number Publication date
JPS6336185B2 (enrdf_load_stackoverflow) 1988-07-19

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