JPH0152952B2 - - Google Patents

Info

Publication number
JPH0152952B2
JPH0152952B2 JP54049476A JP4947679A JPH0152952B2 JP H0152952 B2 JPH0152952 B2 JP H0152952B2 JP 54049476 A JP54049476 A JP 54049476A JP 4947679 A JP4947679 A JP 4947679A JP H0152952 B2 JPH0152952 B2 JP H0152952B2
Authority
JP
Japan
Prior art keywords
signal
level
image
scanning
threshold
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
JP54049476A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55140974A (en
Inventor
Shin 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.)
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 JP4947679A priority Critical patent/JPS55140974A/ja
Publication of JPS55140974A publication Critical patent/JPS55140974A/ja
Publication of JPH0152952B2 publication Critical patent/JPH0152952B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Facsimile Scanning Arrangements (AREA)
  • Character Input (AREA)
JP4947679A 1979-04-20 1979-04-20 Information processor Granted JPS55140974A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4947679A JPS55140974A (en) 1979-04-20 1979-04-20 Information processor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4947679A JPS55140974A (en) 1979-04-20 1979-04-20 Information processor

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP61091870A Division JPS6264166A (ja) 1986-04-21 1986-04-21 画像処理装置

Publications (2)

Publication Number Publication Date
JPS55140974A JPS55140974A (en) 1980-11-04
JPH0152952B2 true JPH0152952B2 (enrdf_load_stackoverflow) 1989-11-10

Family

ID=12832200

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4947679A Granted JPS55140974A (en) 1979-04-20 1979-04-20 Information processor

Country Status (1)

Country Link
JP (1) JPS55140974A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6316253A (ja) * 1986-07-09 1988-01-23 Ya Man Ltd 印字又は印刷文字品質・精度評価方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4951809A (enrdf_load_stackoverflow) * 1972-09-19 1974-05-20
JPS5732378B2 (enrdf_load_stackoverflow) * 1974-03-23 1982-07-10
JPS5925267B2 (ja) * 1977-05-25 1984-06-15 沖電気工業株式会社 光学文字読取装置

Also Published As

Publication number Publication date
JPS55140974A (en) 1980-11-04

Similar Documents

Publication Publication Date Title
US4723173A (en) Image processing apparatus
JPS58177071A (ja) シエ−デイング補正装置
JPH0152952B2 (enrdf_load_stackoverflow)
US4751743A (en) Optical character reader
JPS58106570A (ja) 画像判別装置
JPS5927499B2 (ja) 背景濃度補償回路
JPS6093878A (ja) 画像読取装置
JPS6264166A (ja) 画像処理装置
JPS6156673B2 (enrdf_load_stackoverflow)
JP3027400B2 (ja) 画像２値化回路
JPS63988B2 (enrdf_load_stackoverflow)
JP3018628B2 (ja) 画像の読取り装置
JP2642625B2 (ja) 画像読み取りスキヤナの原稿忘れ警報装置
JPS629956B2 (enrdf_load_stackoverflow)
JPH0530352A (ja) ハンドスキヤナ装置
JPS6126744B2 (enrdf_load_stackoverflow)
JPS6145679A (ja) 画信号処理装置
JPS5856574A (ja) 信号２値化回路
JPS5957572A (ja) ２値化方式
JPS62221266A (ja) 原稿サイズ識別機能付フアクシミリ装置
JPS5814670A (ja) 画像読取装置
JPS6354272B2 (enrdf_load_stackoverflow)
JPH05160998A (ja) 画像入力装置
JPS6214577A (ja) フアクシミリ装置等の自動白波形補正方式
JPS60220661A (ja) 画信号処理方式