FI953397A - Method and apparatus for detecting geometric details in parallelepipeds with polygonal cross-section - Google Patents

Method and apparatus for detecting geometric details in parallelepipeds with polygonal cross-section Download PDF

Info

Publication number
FI953397A
FI953397A FI953397A FI953397A FI953397A FI 953397 A FI953397 A FI 953397A FI 953397 A FI953397 A FI 953397A FI 953397 A FI953397 A FI 953397A FI 953397 A FI953397 A FI 953397A
Authority
FI
Finland
Prior art keywords
parallelepipeds
section
polygonal cross
geometric details
detecting geometric
Prior art date
Application number
FI953397A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI953397A0 (en
Inventor
Raphael Vogrig
Bernard Karpp
Original Assignee
Centre Techn Bois Ameublement
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 Centre Techn Bois Ameublement filed Critical Centre Techn Bois Ameublement
Publication of FI953397A0 publication Critical patent/FI953397A0/en
Publication of FI953397A publication Critical patent/FI953397A/en

Links

Classifications

    • 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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Textile Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)
FI953397A 1994-07-12 1995-07-11 Method and apparatus for detecting geometric details in parallelepipeds with polygonal cross-section FI953397A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9408630A FR2722573B1 (en) 1994-07-12 1994-07-12 METHOD AND DEVICE FOR RECOGNIZING GEOMETRIC PARTICULARITIES OF PARALLELEPIPEDIC PARTS OF POLYGONAL SECTION

Publications (2)

Publication Number Publication Date
FI953397A0 FI953397A0 (en) 1995-07-11
FI953397A true FI953397A (en) 1996-01-13

Family

ID=9465298

Family Applications (1)

Application Number Title Priority Date Filing Date
FI953397A FI953397A (en) 1994-07-12 1995-07-11 Method and apparatus for detecting geometric details in parallelepipeds with polygonal cross-section

Country Status (4)

Country Link
EP (1) EP0692714A1 (en)
CA (1) CA2153647A1 (en)
FI (1) FI953397A (en)
FR (1) FR2722573B1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6122065A (en) * 1996-08-12 2000-09-19 Centre De Recherche Industrielle Du Quebec Apparatus and method for detecting surface defects
CA2245412C (en) 1998-08-20 2001-06-26 Centre De Recherche Industrielle Du Quebec Apparatus and method for marking elongated articles
WO2001020324A1 (en) * 1999-09-14 2001-03-22 Opti-Wood Aps Method for quality determination and handling of elongate wood items
ITBZ20020018A1 (en) * 2002-04-18 2003-10-20 Microtec Srl PROCEDURE FOR RECOGNIZING ON THE SURFACE OF WOODEN TABLES THE PRESENCE OF DEFECTS SUCH AS CRACKS OR BEVELED EDGES.
PT102835B (en) * 2002-09-03 2004-08-31 Continental Mabor Ind De Pneus MONITORING SYSTEM AND AUTOMATIC CONTROL OF TOLERANCE IN TEXTILE CLOTH OVERLAYS AMENDMENTS.
ITBZ20050027A1 (en) * 2005-05-31 2006-12-01 Microtec Srl PROCEDURE FOR PHOTOGRAPHICALLY REPRESENTING THE EXTERNAL APPEARANCE OF A TRUNK AND ASSOCIATING ITS PHOTOGRAPHIC REPRESENTATION WITH THE RESPECTIVE THREE-DIMENSIONAL STRUCTURE OF THE MIDDLE TRUNK AS WELL AS A DEVICE FOR IMPLEMENTING THIS PROCEDURE.
CN104097820A (en) * 2013-04-10 2014-10-15 苏州华觉智能科技有限公司 Detection device
CN115308218A (en) * 2022-10-11 2022-11-08 中材节能股份有限公司 Calcium silicate board surface defect on-line measuring system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4831545A (en) * 1987-06-26 1989-05-16 Weyerhaeuser Company Method for determination of pith location relative to lumber surfaces
FR2624601B1 (en) * 1987-12-11 1990-05-25 Tech Bois Ameublement Centre VIDEO-LASER DETECTION DEVICE FOR DETERMINING GEOMETRIC CHARACTERISTICS OF AN OBJECT
EP0465478A1 (en) * 1989-03-29 1992-01-15 Visionsmart Inc. Real-time lumber grading process and system
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

Also Published As

Publication number Publication date
FI953397A0 (en) 1995-07-11
FR2722573A1 (en) 1996-01-19
CA2153647A1 (en) 1996-01-13
EP0692714A1 (en) 1996-01-17
FR2722573B1 (en) 1996-10-04

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