DE69118753T2 - Verfahren und Gerät zur Speicherung und Mischung von mehreren optisch abgetasteten Bildern - Google Patents

Verfahren und Gerät zur Speicherung und Mischung von mehreren optisch abgetasteten Bildern

Info

Publication number
DE69118753T2
DE69118753T2 DE69118753T DE69118753T DE69118753T2 DE 69118753 T2 DE69118753 T2 DE 69118753T2 DE 69118753 T DE69118753 T DE 69118753T DE 69118753 T DE69118753 T DE 69118753T DE 69118753 T2 DE69118753 T2 DE 69118753T2
Authority
DE
Germany
Prior art keywords
storing
scanned images
optically scanned
mixing several
several optically
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 - Lifetime
Application number
DE69118753T
Other languages
English (en)
Other versions
DE69118753D1 (de
Inventor
John V Mcmillin
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.)
National Computer Systems Inc
Original Assignee
National Computer Systems 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 National Computer Systems Inc filed Critical National Computer Systems Inc
Publication of DE69118753D1 publication Critical patent/DE69118753D1/de
Application granted granted Critical
Publication of DE69118753T2 publication Critical patent/DE69118753T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B7/00—Electrically-operated teaching apparatus or devices working with questions and answers
    • G09B7/06—Electrically-operated teaching apparatus or devices working with questions and answers of the multiple-choice answer-type, i.e. where a given question is provided with a series of answers and a choice has to be made from the answers
    • G09B7/066—Electrically-operated teaching apparatus or devices working with questions and answers of the multiple-choice answer-type, i.e. where a given question is provided with a series of answers and a choice has to be made from the answers with answer indicating cards, blocks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • 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
    • H04N1/41—Bandwidth or redundancy reduction
    • H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
    • H04N1/413—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information
    • H04N1/417—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information using predictive or differential encoding
    • H04N1/4177—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information using predictive or differential encoding encoding document change data, e.g. form drop out data
DE69118753T 1990-06-13 1991-06-12 Verfahren und Gerät zur Speicherung und Mischung von mehreren optisch abgetasteten Bildern Expired - Lifetime DE69118753T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/537,442 US5103490A (en) 1990-06-13 1990-06-13 Method and apparatus for storing and merging multiple optically scanned images

Publications (2)

Publication Number Publication Date
DE69118753D1 DE69118753D1 (de) 1996-05-23
DE69118753T2 true DE69118753T2 (de) 1996-12-12

Family

ID=24142656

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69118753T Expired - Lifetime DE69118753T2 (de) 1990-06-13 1991-06-12 Verfahren und Gerät zur Speicherung und Mischung von mehreren optisch abgetasteten Bildern

Country Status (7)

Country Link
US (1) US5103490A (de)
EP (1) EP0461622B1 (de)
JP (1) JP3093826B2 (de)
KR (1) KR920005783A (de)
CA (1) CA2044399C (de)
DE (1) DE69118753T2 (de)
MX (1) MX174393B (de)

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Also Published As

Publication number Publication date
DE69118753D1 (de) 1996-05-23
JPH04233091A (ja) 1992-08-21
KR920005783A (ko) 1992-04-03
CA2044399A1 (en) 1991-12-14
EP0461622A3 (en) 1992-05-06
US5103490A (en) 1992-04-07
EP0461622B1 (de) 1996-04-17
MX174393B (es) 1994-05-12
EP0461622A2 (de) 1991-12-18
JP3093826B2 (ja) 2000-10-03
CA2044399C (en) 2000-12-05

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