WO2009024129A1 - Repères et procédé de mesure photogrammétrique d'objets géométriquement irréguliers - Google Patents

Repères et procédé de mesure photogrammétrique d'objets géométriquement irréguliers Download PDF

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Publication number
WO2009024129A1
WO2009024129A1 PCT/DE2008/001345 DE2008001345W WO2009024129A1 WO 2009024129 A1 WO2009024129 A1 WO 2009024129A1 DE 2008001345 W DE2008001345 W DE 2008001345W WO 2009024129 A1 WO2009024129 A1 WO 2009024129A1
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WO
WIPO (PCT)
Prior art keywords
signal
marks
signal marks
mark
determining
Prior art date
Application number
PCT/DE2008/001345
Other languages
German (de)
English (en)
Inventor
Klaus Rinn
Michael Kreutzer
Stephan Drescher
Gerlinde Huhn
Klaus Wüst
Berthold Franzen
Original Assignee
Fachhochschule Giessen-Friedberg
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 Fachhochschule Giessen-Friedberg filed Critical Fachhochschule Giessen-Friedberg
Publication of WO2009024129A1 publication Critical patent/WO2009024129A1/fr

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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
    • 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
    • G01C11/04—Interpretation of pictures

Definitions

  • the invention is a method of photogrammetric (surveying based on photographic imaging) measurement of irregular, three-dimensional objects. Furthermore, signal marks are described, which are applied to the surface of the object. As a result, the circumferential shape of the object can be determined by means of computational evaluation.
  • measuring marks are used for measuring the object.
  • the disadvantage of this invention lies in the numerical designation of the measuring marks, whereby the number recognition of the mark represents an increased expense.
  • the object of the present invention is to determine the extensive shape of irregular objects by means of signal marks and a method based on photogrammetric evaluation.
  • the signal marks contain intersecting colored lines, forming crossings.
  • the intersections have two line shares per line that go beyond the intersection.
  • the lines are arranged so that a completely enclosed area is created.
  • the area enclosed by the lines and that between two lines can be used for labeling.
  • the label can consist of a two-dimensional barcode or alphanumeric characters or a combination of both.
  • To determine the orientation of the signal mark a colored mark is placed in the labeling area.
  • the lines can also be arranged so that the orientation of the mark can be determined.
  • each signal mark is visible at least once, preferably three times in the photos
  • signal tags are glued to the tree trunk (see Fig. 1). These include rectangular intersections of purple lines, a purple marker for orientation, and a caption.
  • the caption contains a two-dimensional barcode containing the following information with an error correction according to Hamming: numbering, geometric base of the object (here cylinder), size of the signal mark (here 5x3 cm) and type of signal mark (here tree or measuring device).
  • the object (tree trunk) is now photographed several times, overlapping, sequentially, so that each photo at least two signal marks, each signal mark on three photos and at least one signal mark of the current photo on three of the following photos is visible. For each photo, the following steps are now performed:
  • the label now includes the numbers of the signal marks, the size (5x3cm), the geometric base (cylinder), the type (tree trunk) and additional information, such as the name of the tree. the distance is known.
  • the further steps include:
  • Interpolation of the areas between the signal marks corresponding to the geometric base of the object (here using arcs instead of lines). These steps are repeated until all images and thus all signal marks are detected.
  • To measure a correction of the position of the signal marks is carried out by means of bundle compensation and then measured the object. It is also possible to determine the deviations from the geometric base of the object.
  • the meter includes measurements using sound waves (infra, hearing, ultrasound, hypersonic waves) or microwaves.
  • sound waves infra, hearing, ultrasound, hypersonic waves
  • microwaves microwaves
  • each ultrasonic measuring instrument is magnetically attached to a signal mark (see Fig. 2).
  • This signal mark contains acute-angled, right-angled and or obtuse intersections of blue lines and a label inside and / or outside the lines.
  • the label contains alphanumeric characters that include the following information: numbering, object geometric base (cylinder), size of the signal mark (5x10 cm), type of signal mark (ultrasound meter) and distance of the signal mark from the tree surface (5 cm).
  • the same data is also integrated into the label as a two-dimensional barcode.
  • signal marks are also glued to the tree (see Fig. 3).
  • the tree signal marks are equipped with intersections of purple lines, a blue marker for orientation and a label.
  • the caption contains a two-dimensional barcode that includes the following information with an Hamming error correction: numbering, geometrical base of the object (cylinder), size of the signal mark (5x3 cm) and type of signal mark (tree trunk).
  • the object (tree trunk with measuring devices) is now photographed several times, overlapping, so that each photo has at least two signal marks, each signal mark on four photos and a signal mark of the current photo on five of the following photos visible. For each photo, the following steps are now performed:
  • the inscription contained the numbers of the signal marks, the size (here 5x3cm or 5x10cm), the geometric base of the object (here cylinder), the species (here tree trunk or ultrasound meter) and the ultrasonic distance of the signal mark to the tree surface (5 cm).
  • the signal marks are positioned to each other and in space due to the size and perspective arrangement.
  • the areas that lie between the signal marks are interpolated according to the geometric base (here cylinder), ie in this case, one does not take straight lines but arcs to connect the intermediate pieces. These steps are repeated until all images and thus all signal marks have been detected. The positions of the signal marks are corrected by bundle compensation. Then the object is geometrically measured.
  • the geometric base here cylinder
  • the accurate determination of the positioning of the ultrasonic measuring devices with respect to the tree trunk are possible by the signal marks on the ultrasonic measuring devices.
  • the exact position of the Einstrahlmens can be determined which part of the tree trunk is examined by the ultrasonic measuring device.
  • the wood density in the partial area can be measured.
  • the fact that a wood density per examined tree segment can be specified, the weight of the measured tree segment can be determined.
  • signal marks For the detection of the situation of objects in forensics e.g. at a crime scene, signal marks, or, if the size of the piece of evidence is appropriate, are covered with signal marks or e.g. for small or more closely spaced pieces of evidence, place the signal mark at a distance from the piece of evidence (see Figure 4).
  • the signal marks include purple line intersections, a purple marker for orientation and a label.
  • the label contains a two-dimensional barcode that includes the following information with an error correction according to Hamming: numbering, size of the signal mark (here 5x3 cm) and type of signal mark (here coin or vessel).
  • the label now includes the numbers of the signal marks, size (5x3cm), type (exhibit), location, date, time and additional information, such as the distance of the signal mark to the piece of evidence, the reference edge or reference corner known.
  • the signal marks are positioned to each other and in space, based on the size and perspective arrangement. These steps (localization to positioning) are repeated until all images and thus all signal marks are detected. To measure a correction of the position of the signal marks is performed by means of bundle compensation and then measured the scene with the evidence.
  • signal marks of a suitable size of the find are glued with signal marks or e.g. In the case of small or multiple finds located close to one another, the signal mark is placed at a distance from the find (see Fig. 4).
  • the signal marks include purple line intersections, a purple marker for orientation and a label.
  • signal marks according to Fig. 5 are used for coins.
  • the label contains a two-dimensional barcode which includes the following information with an error correction according to Hamming: numbering, size of the signal mark (here 5x3 cm) and type of signal mark (here coin or vessel).
  • the object (find area) is now photographed several times, overlapping, sequentially, so that each photo at least two signal marks, each signal mark on five photos and at least one signal mark of the current photo on four of the following photos is visible. For each photo, the following steps are now performed:
  • the label now shows the numbers of the signal marks, the size (5x3cm), the type (coin), the location, the date, the time and additional information, such as a the distance of the signal mark to the find piece, the reference edge or reference corner known.
  • the signal marks are positioned to each other and in space, based on the size and perspective arrangement.
  • the geometry of the concrete pillar segment must first be determined.
  • signal marks are glued to the concrete pier (see Fig. 1). These include rectangular intersections of purple lines, a purple marker for orientation, and a caption.
  • the caption contains a two-dimensional barcode containing the following information with an error correction according to Hamming: numbering, geometric base of the object (here cylinder), size of the signal mark (here 5x3 cm) and type of signal mark (here concrete pier or gauge).
  • the object (concrete pier) is now photographed several times, overlapping, sequentially, so that each photo at least two signal marks, each signal mark on three photos and at least one signal mark of the current photo on three of the following photos is visible. For each photo, the following steps are now performed:
  • the inscription now shows the numbers of the signal marks, the size (5x3cm), the geometric base (cylinder), the type (concrete pillars) and additional information, such as: the distance is known.
  • the further steps include:
  • the geometry of the metal pipe segment must first be determined.
  • signal marks are glued to the metal tube (see Fig. 1). These include rectangular intersections of purple lines, a purple marker for orientation, and a caption.
  • the caption contains a two-dimensional barcode containing the following information with an error correction according to Hamming: Numbering, geometric base of the object (here cylinder), size of the signal mark (here 5x3 cm) and type of signal mark (here metal tube or measuring device).
  • the object (metal tube) is now photographed several times, overlapping, sequentially, so that each photo at least two signal marks, each signal mark on three photos and at least one signal mark of the current photo on three of the following photos is visible.
  • each photo the following steps are now performed:
  • the label now includes the numbers of the signal marks, the size (5x3cm), the geometric base (cylinder), the type (metal tube) and additional information, such as the nameplate. the distance is known.
  • the further steps include:
  • the objects are now photographed several times, overlapping, sequentially, so that each photo at least two objects, each object on five photos and at least one Object of the current photo is visible on four of the subsequent photos.
  • the following steps are now performed:
  • Fig. 1 signal marks (101 line, 103 lettering two-dimensional barcode, 104 intersection, 105 lettering alphanumeric characters)
  • Fig. 2 signal marks (201 line, 202 orientation mark, 203 caption two-dimensional bar code, 204 intersection)
  • Fig. 3 signal marks (301 line, 303 inscription two-dimensional barcode, 304 intersection)
  • Fig. 4 signal marks (401 line, 402 orientation mark, 403 two-dimensional barcode label, 404 intersection)
  • signal marks (501 line, 502 orientation mark, 503 lettering two-dimensional barcode, 504 intersection) 6 object with signal marks (601 signal marks on the object and ultrasonic measuring device, 602 irregular object, 603 ultrasonic measuring device)

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)
  • Length Measuring Devices By Optical Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

Conformément à l'invention, des repères sont appliqués à la surface d'un objet. Grâce à une coloration appropriée, ces repères se distinguent de l'environnement. Des marquages de position et d'orientation permettent une correction de perspective et de déterminer un code barres bidimensionnel. En plus d'une numérotation, des informations supplémentaires, telles que le corps géométrique de base de l'objet, ainsi que les dimensions et le type des repères, peuvent être mémorisées dans le code barres didimensionnel. Par enregistrement d'une pluralité d'images superposées, la forme de l'objet irrégulier peut être déterminée par assemblage des images sur la base des repères numérotés.
PCT/DE2008/001345 2007-08-19 2008-08-19 Repères et procédé de mesure photogrammétrique d'objets géométriquement irréguliers WO2009024129A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007039077A DE102007039077A1 (de) 2007-08-19 2007-08-19 Signalmarken und Verfahren zur photogrammetrischen Vermessung von geometrisch unregelmäßigen Objekten
DE102007039077.9 2007-08-19

Publications (1)

Publication Number Publication Date
WO2009024129A1 true WO2009024129A1 (fr) 2009-02-26

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PCT/DE2008/001345 WO2009024129A1 (fr) 2007-08-19 2008-08-19 Repères et procédé de mesure photogrammétrique d'objets géométriquement irréguliers

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DE (1) DE102007039077A1 (fr)
WO (1) WO2009024129A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012208132A1 (de) 2012-05-15 2013-11-21 Bayerische Motoren Werke Aktiengesellschaft Verfahren zur Fahrzeuglokalisierung
WO2017167440A3 (fr) * 2016-03-31 2017-11-16 Testo SE & Co. KGaA Plaque photogrammétrique, système photogrammétrique et procédé de photogrammétrie
CN112288052A (zh) * 2020-09-30 2021-01-29 深圳市北斗云信息技术有限公司 一种混凝土试块防伪鉴定方法、装置和系统
EP4075094A1 (fr) * 2021-04-14 2022-10-19 Vallourec Tubes France Dispositif et procédé permettant de déterminer les caractéristiques géométriques de l'extrémité creuse d'un objet

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DE102009034507A1 (de) * 2009-07-24 2011-01-27 Bayerische Motoren Werke Aktiengesellschaft Verfahren zur Überwachung der Maß- und/oder Formhaltigkeit einer aus Fasermaterial bestehenden Verstärkungsstruktur
DE102009056622A1 (de) 2009-12-02 2010-07-22 Daimler Ag Messadapter und Verfahren zur photogrammetrischen Vermessung von Stiften auf einem Trägerobjekt
DE202011051758U1 (de) 2011-10-26 2011-11-17 Horst Witte Gerätebau Barskamp KG System zum Errichten eines mit Messmarken versehenen Gerüstaufbaus
DE102012017878B3 (de) * 2012-09-11 2014-05-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur automatisierten Mengenermittlung von beliebig großen Holzpoltern mittels eines Fotohandys
DE102016100789A1 (de) 2016-01-19 2017-07-20 Status Pro Maschinenmesstechnik Gmbh Vorrichtung und Verfahren zur photogrammetrischen Ermittlung der Lage der Zentren von kreisförmigen Bohrungen
DE102017002270B4 (de) * 2017-03-09 2018-12-13 Ima Klessmann Gmbh Holzbearbeitungssysteme Verfahren zum Messen des Formats eines plattenförmigen Werkstücks

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WO2001092824A1 (fr) * 2000-05-27 2001-12-06 Robert Massen Procede et dispositif permettant la detection photogrammetrique de la forme d'un objet dans l'espace
WO2002006768A1 (fr) * 2000-07-19 2002-01-24 Robert Massen Procede et arrangement permettant de detecter la forme spatiale d'un objet
DE102005043753A1 (de) * 2005-09-13 2007-03-15 Deutsche Mechatronics Gmbh Verfahren zur Bestimmung der Raumkoordinaten von Oberflächenpunkten eines Prüflings und Vorrichtung zur Durchführung des Verfahrens
DE102005051020A1 (de) * 2005-10-23 2007-04-26 Corpus.E Ag Kostengünstige kalibrierungsfreie 3D Digitalisierung von Körpern

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012208132A1 (de) 2012-05-15 2013-11-21 Bayerische Motoren Werke Aktiengesellschaft Verfahren zur Fahrzeuglokalisierung
WO2017167440A3 (fr) * 2016-03-31 2017-11-16 Testo SE & Co. KGaA Plaque photogrammétrique, système photogrammétrique et procédé de photogrammétrie
CN112288052A (zh) * 2020-09-30 2021-01-29 深圳市北斗云信息技术有限公司 一种混凝土试块防伪鉴定方法、装置和系统
EP4075094A1 (fr) * 2021-04-14 2022-10-19 Vallourec Tubes France Dispositif et procédé permettant de déterminer les caractéristiques géométriques de l'extrémité creuse d'un objet
WO2022219149A1 (fr) * 2021-04-14 2022-10-20 Vallourec Tubes France Dispositif et procédé de détermination de caractéristiques géométriques d'extrémité creuse d'un objet

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