FI20125234A - Method and apparatus for determining the dimensions and external properties of three-dimensional pieces, e.g. wood - Google Patents

Method and apparatus for determining the dimensions and external properties of three-dimensional pieces, e.g. wood Download PDF

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Publication number
FI20125234A
FI20125234A FI20125234A FI20125234A FI20125234A FI 20125234 A FI20125234 A FI 20125234A FI 20125234 A FI20125234 A FI 20125234A FI 20125234 A FI20125234 A FI 20125234A FI 20125234 A FI20125234 A FI 20125234A
Authority
FI
Finland
Prior art keywords
target area
dimensions
timber
determining
wood
Prior art date
Application number
FI20125234A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI124426B (en
Inventor
Urpo Meskanen
Original Assignee
Fin Scan Oy
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 Fin Scan Oy filed Critical Fin Scan Oy
Priority to FI20125234A priority Critical patent/FI124426B/en
Priority to CA2806797A priority patent/CA2806797C/en
Priority to LTEP13156575.6T priority patent/LT2634565T/en
Priority to PL13156575T priority patent/PL2634565T3/en
Priority to EP13156575.6A priority patent/EP2634565B1/en
Priority to US13/782,974 priority patent/US9103765B2/en
Publication of FI20125234A publication Critical patent/FI20125234A/en
Application granted granted Critical
Publication of FI124426B publication Critical patent/FI124426B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/13—Moving of cuvettes or solid samples to or from the investigating station
    • 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
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/04—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
    • 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
    • G01B11/245—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures using a plurality of fixed, simultaneously operating transducers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
    • G01N21/898—Irregularities in textured or patterned surfaces, e.g. textiles, wood
    • G01N21/8986—Wood
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/46—Wood

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Textile Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

The present application relates to a method and apparatus for determining the dimensions and external properties of three-dimensional objects such as sawn timber, in which method objects like timber (1) are moved in a transverse position over a target area (14) in conveying direction (13), the target area (14) is illuminated, and the target area (14) is scanned upwards by a camera (5, 6). In accordance with the invention each object like timber (1) is scanned or exposed at least twice in the target area (14), and the timber (1) is conveyed in the target area (14) over support bars (11, 12), which are in an angle (±) in relation to the conveying direction (13).
FI20125234A 2012-03-02 2012-03-02 Method and apparatus for determining three-dimensional pieces such as timber dimensions and external properties FI124426B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI20125234A FI124426B (en) 2012-03-02 2012-03-02 Method and apparatus for determining three-dimensional pieces such as timber dimensions and external properties
CA2806797A CA2806797C (en) 2012-03-02 2013-02-19 Method and apparatus for determining the dimensions and external properties of three-dimensional objects such as sawn timber
LTEP13156575.6T LT2634565T (en) 2012-03-02 2013-02-25 Method and apparatus for determining the dimensions and external properties of three-dimensional objects such as sawn timber
PL13156575T PL2634565T3 (en) 2012-03-02 2013-02-25 Method and apparatus for determining the dimensions and external properties of three-dimensional objects such as sawn timber
EP13156575.6A EP2634565B1 (en) 2012-03-02 2013-02-25 Method and apparatus for determining the dimensions and external properties of three-dimensional objects such as sawn timber
US13/782,974 US9103765B2 (en) 2012-03-02 2013-03-01 Method and apparatus for determining the dimensions and external properties of three-dimensional objects such as sawn timber

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20125234 2012-03-02
FI20125234A FI124426B (en) 2012-03-02 2012-03-02 Method and apparatus for determining three-dimensional pieces such as timber dimensions and external properties

Publications (2)

Publication Number Publication Date
FI20125234A true FI20125234A (en) 2013-09-03
FI124426B FI124426B (en) 2014-08-29

Family

ID=47790013

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20125234A FI124426B (en) 2012-03-02 2012-03-02 Method and apparatus for determining three-dimensional pieces such as timber dimensions and external properties

Country Status (6)

Country Link
US (1) US9103765B2 (en)
EP (1) EP2634565B1 (en)
CA (1) CA2806797C (en)
FI (1) FI124426B (en)
LT (1) LT2634565T (en)
PL (1) PL2634565T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE537979C2 (en) 2014-04-07 2016-01-05 Optonova Sweden Ab Procedure for product control with camera and lighting device
US20240175675A1 (en) * 2022-11-25 2024-05-30 Fives Intralogistics S.P.A. System for recognising unstable objects

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025198A (en) * 1976-03-17 1977-05-24 Hutchins Thomas B Opposite-sides object inspection system
FI56451C (en) 1977-10-20 1980-01-10 Ahlstroem Oy FOERFARANDE OCH ANORDNING FOER MAETNING AV TRAEVIRKE
FI85915C (en) 1989-08-17 1992-06-10 Fin Scan Oy FAERGREGISTRERANDE KVALITETSMAETNINGSSYSTEM FOER TRAEMATERIAL.
SE468107B (en) 1989-10-27 1992-11-02 Autosort Ab PROCEDURE SHOULD REVISE AATMINSTONE BY AN OPTELECTRIC CAMERA WHICH IS LISTED FROM AATMINSTONE TWO DIFFERENT HALLS AND WHICH THE PICTURE SHOWS AATMINSTONE CONTAINS TWO LENGTH BOARDS, ACCORDINGLY
DE4218971C2 (en) 1992-06-10 1994-09-22 Grecon Greten Gmbh & Co Kg Process for calibrating an image processing system
DE4223787C2 (en) 1992-07-15 1995-08-17 Dimter Maschf Gmbh Plant for determining the wood quality of sawn timber
CA2203970C (en) * 1996-05-01 2003-12-02 Newnes Machine Ltd. Method and apparatus for video lumber grading
US6122065A (en) * 1996-08-12 2000-09-19 Centre De Recherche Industrielle Du Quebec Apparatus and method for detecting surface defects
FI101327B1 (en) * 1996-09-19 1998-05-29 Valtion Teknillinen ON-line method for determining the wood-bark ratio from the mass flow
FI990712A (en) * 1999-03-30 2000-10-01 Finscan Oy Arrangement and apparatus for determining dimensions and external properties of three-dimensional pieces, for example, wood products
CA2738368C (en) * 2010-04-28 2019-11-12 Equipements Comact Inc. Multiple vision system and method

Also Published As

Publication number Publication date
PL2634565T3 (en) 2019-03-29
FI124426B (en) 2014-08-29
CA2806797A1 (en) 2013-09-02
CA2806797C (en) 2019-10-01
LT2634565T (en) 2019-01-25
US20130229670A1 (en) 2013-09-05
EP2634565A1 (en) 2013-09-04
US9103765B2 (en) 2015-08-11
EP2634565B1 (en) 2018-11-14

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