JPS647175A - Picture characteristic extraction device - Google Patents

Picture characteristic extraction device

Info

Publication number
JPS647175A
JPS647175A JP62161004A JP16100487A JPS647175A JP S647175 A JPS647175 A JP S647175A JP 62161004 A JP62161004 A JP 62161004A JP 16100487 A JP16100487 A JP 16100487A JP S647175 A JPS647175 A JP S647175A
Authority
JP
Japan
Prior art keywords
data
hadamard
picture
inputted
binarization
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
JP62161004A
Other languages
English (en)
Other versions
JP2621868B2 (ja
Inventor
Mamoru Sato
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP62161004A priority Critical patent/JP2621868B2/ja
Publication of JPS647175A publication Critical patent/JPS647175A/ja
Application granted granted Critical
Publication of JP2621868B2 publication Critical patent/JP2621868B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Facsimile Image Signal Circuits (AREA)
  • Image Analysis (AREA)
  • Character Discrimination (AREA)
JP62161004A 1987-06-30 1987-06-30 画像特徴抽出装置 Expired - Fee Related JP2621868B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62161004A JP2621868B2 (ja) 1987-06-30 1987-06-30 画像特徴抽出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62161004A JP2621868B2 (ja) 1987-06-30 1987-06-30 画像特徴抽出装置

Publications (2)

Publication Number Publication Date
JPS647175A true JPS647175A (en) 1989-01-11
JP2621868B2 JP2621868B2 (ja) 1997-06-18

Family

ID=15726748

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62161004A Expired - Fee Related JP2621868B2 (ja) 1987-06-30 1987-06-30 画像特徴抽出装置

Country Status (1)

Country Link
JP (1) JP2621868B2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04137110U (ja) * 1991-06-14 1992-12-21 ミサワホーム株式会社 断熱パネル

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55100549A (en) * 1979-01-24 1980-07-31 Nec Corp Image region signal generating method
JPS59178585A (ja) * 1983-03-30 1984-10-09 Fujitsu Ltd 文字領域抽出方式
JPS61175787A (ja) * 1985-01-29 1986-08-07 Nichiden Mach Ltd エツジ検出回路

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55100549A (en) * 1979-01-24 1980-07-31 Nec Corp Image region signal generating method
JPS59178585A (ja) * 1983-03-30 1984-10-09 Fujitsu Ltd 文字領域抽出方式
JPS61175787A (ja) * 1985-01-29 1986-08-07 Nichiden Mach Ltd エツジ検出回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04137110U (ja) * 1991-06-14 1992-12-21 ミサワホーム株式会社 断熱パネル

Also Published As

Publication number Publication date
JP2621868B2 (ja) 1997-06-18

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Legal Events

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