FR2254781A1 - Rastered photogrammetry technique - involves projecting image of rastered object through second raster - Google Patents

Rastered photogrammetry technique - involves projecting image of rastered object through second raster

Info

Publication number
FR2254781A1
FR2254781A1 FR7345398A FR7345398A FR2254781A1 FR 2254781 A1 FR2254781 A1 FR 2254781A1 FR 7345398 A FR7345398 A FR 7345398A FR 7345398 A FR7345398 A FR 7345398A FR 2254781 A1 FR2254781 A1 FR 2254781A1
Authority
FR
France
Prior art keywords
rastered
raster
image
onto
projector
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
FR7345398A
Other languages
French (fr)
Other versions
FR2254781B1 (en
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.)
SCHAEFFER BERNARD
Original Assignee
SCHAEFFER BERNARD
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 SCHAEFFER BERNARD filed Critical SCHAEFFER BERNARD
Priority to FR7345398A priority Critical patent/FR2254781A1/en
Publication of FR2254781A1 publication Critical patent/FR2254781A1/en
Application granted granted Critical
Publication of FR2254781B1 publication Critical patent/FR2254781B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
    • G01B11/254—Projection of a pattern, viewing through a pattern, e.g. moiré
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)

Abstract

The technique consists of projecting a first raster (5) onto the object (1) to be measured and transferring this first image onto a suitable first support (6). This first rastered image is projected through a second raster onto a second suitable support in such a manner as to obtain a final image. The apparatus comprises a first raster projector (2) and a device having a sensitive surface e.g. a still, cine or video camera. A second projector e.g. enlarger, cine projector, TV camera projects the rastered image through a second raster onto a receptive surface e.g. a photographic plate, cinema screen, cathodic screen, so that a final photogrammetric image is obtained on this receptive surface. The radiation used may be electromagnetic or ultrasonic.
FR7345398A 1973-12-18 1973-12-18 Rastered photogrammetry technique - involves projecting image of rastered object through second raster Granted FR2254781A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7345398A FR2254781A1 (en) 1973-12-18 1973-12-18 Rastered photogrammetry technique - involves projecting image of rastered object through second raster

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7345398A FR2254781A1 (en) 1973-12-18 1973-12-18 Rastered photogrammetry technique - involves projecting image of rastered object through second raster

Publications (2)

Publication Number Publication Date
FR2254781A1 true FR2254781A1 (en) 1975-07-11
FR2254781B1 FR2254781B1 (en) 1976-11-19

Family

ID=9129417

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7345398A Granted FR2254781A1 (en) 1973-12-18 1973-12-18 Rastered photogrammetry technique - involves projecting image of rastered object through second raster

Country Status (1)

Country Link
FR (1) FR2254781A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0551955A1 (en) * 1992-01-15 1993-07-21 EUCLID MEDICAL INSTRUMENTS Inc. System for determining the topography of a curved surface
CZ300633B6 (en) * 2006-07-10 2009-07-08 Výzkumný a zkušební letecký ústav, a. s. Method of making a substrate layer with a detection raster for photogrammetric measurement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0551955A1 (en) * 1992-01-15 1993-07-21 EUCLID MEDICAL INSTRUMENTS Inc. System for determining the topography of a curved surface
US5406342A (en) * 1992-01-15 1995-04-11 Euclid Medical Instruments System for determining the topography of a curved surface
CZ300633B6 (en) * 2006-07-10 2009-07-08 Výzkumný a zkušební letecký ústav, a. s. Method of making a substrate layer with a detection raster for photogrammetric measurement

Also Published As

Publication number Publication date
FR2254781B1 (en) 1976-11-19

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Legal Events

Date Code Title Description
ST Notification of lapse