FR76869E - Improvements in photoelectric exploration devices - Google Patents

Improvements in photoelectric exploration devices

Info

Publication number
FR76869E
FR76869E FR807972A FR807972A FR76869E FR 76869 E FR76869 E FR 76869E FR 807972 A FR807972 A FR 807972A FR 807972 A FR807972 A FR 807972A FR 76869 E FR76869 E FR 76869E
Authority
FR
France
Prior art keywords
exploration devices
photoelectric
photoelectric exploration
devices
exploration
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
FR807972A
Other languages
French (fr)
Inventor
Hermann Endres
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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
Priority claimed from DE1957ST012466 external-priority patent/DE1069917B/en
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Priority to FR807972A priority Critical patent/FR76869E/en
Application granted granted Critical
Publication of FR76869E publication Critical patent/FR76869E/en
Expired 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
    • 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
    • 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
    • G06V10/36—Applying a local operator, i.e. means to operate on image points situated in the vicinity of a given point; Non-linear local filtering operations, e.g. median filtering
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/42—Global feature extraction by analysis of the whole pattern, e.g. using frequency domain transformations or autocorrelation
    • G06V10/421—Global feature extraction by analysis of the whole pattern, e.g. using frequency domain transformations or autocorrelation by analysing segments intersecting the pattern
FR807972A 1957-04-17 1959-10-20 Improvements in photoelectric exploration devices Expired FR76869E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR807972A FR76869E (en) 1957-04-17 1959-10-20 Improvements in photoelectric exploration devices

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
DE1957ST012466 DE1069917B (en) 1957-04-17 1957-04-17 Process for machine recognition of characters
DEST12467A DE1077904B (en) 1957-04-17 1957-04-17 Procedure for aligning or centering characters
DEST012648 1957-06-08
DE1957ST012777 DE1075354B (en) 1957-04-17 1957-07-17 Method and arrangement for the automatic recognition of characters
DEST12800A DE1104241B (en) 1957-04-17 1957-07-24 Method for scanning characters and the like Like. For the purpose of automatic detection
DEST13097A DE1076984B (en) 1957-04-17 1957-10-26 Method and arrangement for the automatic recognition of characters
DEST13211A DE1077464B (en) 1957-04-17 1957-11-27 Method and arrangement for the automatic recognition of characters, in particular characters
DEST13329A DE1087385B (en) 1957-04-17 1958-01-09 Method and arrangement for the automatic recognition of characters
DEST13783A DE1198599B (en) 1957-04-17 1958-05-20 Two-dimensional shift register
DEST13838A DE1121864B (en) 1957-04-17 1958-06-06 Method and arrangement for the machine recognition of characters
FR807972A FR76869E (en) 1957-04-17 1959-10-20 Improvements in photoelectric exploration devices
DEST14358A DE1116936B (en) 1957-04-17 1959-10-21 Arrangement for the automatic recognition of characters

Publications (1)

Publication Number Publication Date
FR76869E true FR76869E (en) 1961-12-15

Family

ID=27582948

Family Applications (1)

Application Number Title Priority Date Filing Date
FR807972A Expired FR76869E (en) 1957-04-17 1959-10-20 Improvements in photoelectric exploration devices

Country Status (1)

Country Link
FR (1) FR76869E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1196751B (en) * 1964-03-11 1965-07-15 Ass Elect Ind Vacuum switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1196751B (en) * 1964-03-11 1965-07-15 Ass Elect Ind Vacuum switch

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