JPS57203175A - Check method for optical system of optical information reader - Google Patents

Check method for optical system of optical information reader

Info

Publication number
JPS57203175A
JPS57203175A JP56087574A JP8757481A JPS57203175A JP S57203175 A JPS57203175 A JP S57203175A JP 56087574 A JP56087574 A JP 56087574A JP 8757481 A JP8757481 A JP 8757481A JP S57203175 A JPS57203175 A JP S57203175A
Authority
JP
Japan
Prior art keywords
optical system
adjustment
entered
test chart
check
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
JP56087574A
Other languages
Japanese (ja)
Other versions
JPS634228B2 (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/en
Publication of JPS57203175A publication Critical patent/JPS57203175A/en
Publication of JPS634228B2 publication Critical patent/JPS634228B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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)

Abstract

PURPOSE:To confirm the adjustment quickly and accurately, by recognizing the position of a mark entered on a test chart and displaying the recognition result to check an optical system. CONSTITUTION:In the confirmation for the adjustment of an optical system, a vote ticket is not read but a test chart 30 where marks 32 and 31 indicating a line and the center of areas of digits are entered on a sheet of paper is read, and positions of marks entered on the test chart 30 are recognized, and recognition results are printed on a duplicate ticket to check the optical system. Consequently, the adjustment is confirmed quickly and accurately without requiring a special testing equipment.
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 true JPS57203175A (en) 1982-12-13
JPS634228B2 JPS634228B2 (en) 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 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0423186A (en) * 1990-05-18 1992-01-27 Pfu Ltd Picture reader

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0423186A (en) * 1990-05-18 1992-01-27 Pfu Ltd Picture reader

Also Published As

Publication number Publication date
JPS634228B2 (en) 1988-01-28

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