JPS634228B2 - - Google Patents

Info

Publication number
JPS634228B2
JPS634228B2 JP56087574A JP8757481A JPS634228B2 JP S634228 B2 JPS634228 B2 JP S634228B2 JP 56087574 A JP56087574 A JP 56087574A JP 8757481 A JP8757481 A JP 8757481A JP S634228 B2 JPS634228 B2 JP S634228B2
Authority
JP
Japan
Prior art keywords
optical system
read
voting ticket
reading
test chart
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
JP56087574A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57203175A (en
Inventor
Yasuhiro Honma
Mikio Hosomi
Kazuo Tada
Noriaki Nawate
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP56087574A priority Critical patent/JPS57203175A/ja
Publication of JPS57203175A publication Critical patent/JPS57203175A/ja
Publication of JPS634228B2 publication Critical patent/JPS634228B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/24—Aligning, centring, orientation detection or correction of the image

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Character Input (AREA)
  • Character Discrimination (AREA)
JP56087574A 1981-06-09 1981-06-09 Check method for optical system of optical information reader Granted JPS57203175A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56087574A JPS57203175A (en) 1981-06-09 1981-06-09 Check method for optical system of optical information reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56087574A JPS57203175A (en) 1981-06-09 1981-06-09 Check method for optical system of optical information reader

Publications (2)

Publication Number Publication Date
JPS57203175A JPS57203175A (en) 1982-12-13
JPS634228B2 true JPS634228B2 (enrdf_load_stackoverflow) 1988-01-28

Family

ID=13918766

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56087574A Granted JPS57203175A (en) 1981-06-09 1981-06-09 Check method for optical system of optical information reader

Country Status (1)

Country Link
JP (1) JPS57203175A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0423186A (ja) * 1990-05-18 1992-01-27 Pfu Ltd 画像読取装置

Also Published As

Publication number Publication date
JPS57203175A (en) 1982-12-13

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