JPS6239459B2 - - Google Patents

Info

Publication number
JPS6239459B2
JPS6239459B2 JP54093473A JP9347379A JPS6239459B2 JP S6239459 B2 JPS6239459 B2 JP S6239459B2 JP 54093473 A JP54093473 A JP 54093473A JP 9347379 A JP9347379 A JP 9347379A JP S6239459 B2 JPS6239459 B2 JP S6239459B2
Authority
JP
Japan
Prior art keywords
image
character
frame
unnecessary
black pixel
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
JP54093473A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5617574A (en
Inventor
Kunikazu Shigeta
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.)
NEC Corp
Original Assignee
Nippon Electric 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP9347379A priority Critical patent/JPS5617574A/ja
Publication of JPS5617574A publication Critical patent/JPS5617574A/ja
Publication of JPS6239459B2 publication Critical patent/JPS6239459B2/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)
  • Character Input (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP9347379A 1979-07-23 1979-07-23 Noise picture eliminating device Granted JPS5617574A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9347379A JPS5617574A (en) 1979-07-23 1979-07-23 Noise picture eliminating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9347379A JPS5617574A (en) 1979-07-23 1979-07-23 Noise picture eliminating device

Publications (2)

Publication Number Publication Date
JPS5617574A JPS5617574A (en) 1981-02-19
JPS6239459B2 true JPS6239459B2 (US20080094685A1-20080424-C00004.png) 1987-08-24

Family

ID=14083303

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9347379A Granted JPS5617574A (en) 1979-07-23 1979-07-23 Noise picture eliminating device

Country Status (1)

Country Link
JP (1) JPS5617574A (US20080094685A1-20080424-C00004.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0223452U (US20080094685A1-20080424-C00004.png) * 1988-07-30 1990-02-16

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS581274A (ja) * 1981-06-26 1983-01-06 Fujitsu Ltd 文字切出し方式
JPS5953983A (ja) * 1982-09-21 1984-03-28 Toshiba Corp 文字の検出切出方法
JPS6083186A (ja) * 1983-10-14 1985-05-11 Nec Corp 文字認識装置
JPS63163684A (ja) * 1986-12-26 1988-07-07 Toshiba Corp 文字パタ−ン切出し装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS522339A (en) * 1975-06-24 1977-01-10 Nec Corp Unnecessary portion eliminating equipment in pattern identifying equip ment

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS522339A (en) * 1975-06-24 1977-01-10 Nec Corp Unnecessary portion eliminating equipment in pattern identifying equip ment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0223452U (US20080094685A1-20080424-C00004.png) * 1988-07-30 1990-02-16

Also Published As

Publication number Publication date
JPS5617574A (en) 1981-02-19

Similar Documents

Publication Publication Date Title
US5272764A (en) Detection of highlighted regions
US5048109A (en) Detection of highlighted regions
US4162482A (en) Pre-processing and feature extraction system for character recognition
EP0173098A2 (en) Pattern outline tracking method and apparatus
JPH0467234B2 (US20080094685A1-20080424-C00004.png)
JPH0315793B2 (US20080094685A1-20080424-C00004.png)
JPH0256708B2 (US20080094685A1-20080424-C00004.png)
JPS6239459B2 (US20080094685A1-20080424-C00004.png)
JPH0256707B2 (US20080094685A1-20080424-C00004.png)
JP4253265B2 (ja) 影検出装置、影検出方法及び影検出プログラム、影検出装置を用いた画像処理装置、影検出方法を用いた画像処理方法及び影検出プログラムを用いた画像処理プログラム
JP3379663B2 (ja) 文字認識装置
JP2853140B2 (ja) 画像領域識別装置
JP3193943B2 (ja) 画像処理装置
JPH04205271A (ja) 最適２値化しきい値決定方法
JPH05191649A (ja) 画像二値化回路
Duff Neighbourhood operators
JPS6410872B2 (US20080094685A1-20080424-C00004.png)
JP2506071B2 (ja) 輪郭追跡装置
JP3106080B2 (ja) 画像処理装置及びその方法
JP3061830B2 (ja) 画像処理装置
JP4129320B2 (ja) 画像処理装置及び記録媒体
JPH0620091A (ja) 文字サイズ抽出方法
JPH01319872A (ja) 格子画像による歪み計測方法及び装置
KR100332753B1 (ko) 화상처리장치의이미지처리방법
JP2985981B2 (ja) ２値画像の特徴量抽出方法およびこれを用いた画像の処理システム