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WO2008136067A1 - 木材の検査方法及び装置及びプログラム - Google Patents

木材の検査方法及び装置及びプログラム Download PDF

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Publication number
WO2008136067A1
WO2008136067A1 PCT/JP2007/058583 JP2007058583W WO2008136067A1 WO 2008136067 A1 WO2008136067 A1 WO 2008136067A1 JP 2007058583 W JP2007058583 W JP 2007058583W WO 2008136067 A1 WO2008136067 A1 WO 2008136067A1
Authority
WO
WIPO (PCT)
Prior art keywords
lumber
color distribution
program
imaging means
inspection method
Prior art date
Application number
PCT/JP2007/058583
Other languages
English (en)
French (fr)
Inventor
Noriyuki Hiraoka
Original Assignee
Meinan Machinery Works, Inc.
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 Meinan Machinery Works, Inc. filed Critical Meinan Machinery Works, Inc.
Priority to NZ580473A priority Critical patent/NZ580473A/en
Priority to US12/596,211 priority patent/US8253793B2/en
Priority to KR1020097021604A priority patent/KR101415628B1/ko
Priority to CA2681817A priority patent/CA2681817C/en
Priority to PCT/JP2007/058583 priority patent/WO2008136067A1/ja
Priority to CN200780052656A priority patent/CN101669023A/zh
Priority to AU2007352792A priority patent/AU2007352792B2/en
Priority to EP07742019.8A priority patent/EP2148189B1/en
Publication of WO2008136067A1 publication Critical patent/WO2008136067A1/ja

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
    • G01N21/84—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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G1/00—Machines or devices for removing knots or other irregularities or for filling-up holes
    • 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
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/462—Computing operations in or between colour spaces; Colour management systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • 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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0004—Industrial image inspection
    • G06T7/001—Industrial image inspection using an image reference approach
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/90—Determination of colour characteristics
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10024—Color image
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30108—Industrial image inspection
    • G06T2207/30161—Wood; Lumber

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Wood Science & Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Biochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Mathematical Physics (AREA)
  • Forests & Forestry (AREA)
  • Quality & Reliability (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Image Processing (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

　撮影手段８で木材９のカラー撮影を行い，画像処理手段１で前記撮影手段８により撮影されたカラー画像の色分布を求め，該求めた色分布を予め定めた正常な木材の色分布と比較し，該求めた色分布が前記正常な木材の色分布から所定値以上離れたものを異常色分布とし，該異常色分布が前記撮影手段により撮影された木材面上での領域で所定値より大きいものを木材の欠陥として検出する。
PCT/JP2007/058583 2007-04-20 2007-04-20 木材の検査方法及び装置及びプログラム WO2008136067A1 (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NZ580473A NZ580473A (en) 2007-04-20 2007-04-20 Lumber inspection method, device and program
US12/596,211 US8253793B2 (en) 2007-04-20 2007-04-20 Lumber inspection method, device and program
KR1020097021604A KR101415628B1 (ko) 2007-04-20 2007-04-20 목재의 검사 방법, 장치 및 프로그램
CA2681817A CA2681817C (en) 2007-04-20 2007-04-20 Lumber inspection method, device and program
PCT/JP2007/058583 WO2008136067A1 (ja) 2007-04-20 2007-04-20 木材の検査方法及び装置及びプログラム
CN200780052656A CN101669023A (zh) 2007-04-20 2007-04-20 木材的检测方法及装置及程序
AU2007352792A AU2007352792B2 (en) 2007-04-20 2007-04-20 Lumber inspection method, device and program
EP07742019.8A EP2148189B1 (en) 2007-04-20 2007-04-20 Lumber inspection method, device and program

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/058583 WO2008136067A1 (ja) 2007-04-20 2007-04-20 木材の検査方法及び装置及びプログラム

Publications (1)

Publication Number Publication Date
WO2008136067A1 true WO2008136067A1 (ja) 2008-11-13

Family

ID=39943192

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/058583 WO2008136067A1 (ja) 2007-04-20 2007-04-20 木材の検査方法及び装置及びプログラム

Country Status (7)

Country Link
US (1) US8253793B2 (ja)
EP (1) EP2148189B1 (ja)
KR (1) KR101415628B1 (ja)
CN (1) CN101669023A (ja)
AU (1) AU2007352792B2 (ja)
CA (1) CA2681817C (ja)
WO (1) WO2008136067A1 (ja)

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CN102663340A (zh) * 2012-04-11 2012-09-12 东北林业大学 一种对板材进行分类识别的装置和方法
JP2018179939A (ja) * 2017-04-21 2018-11-15 オムロン株式会社 シート検査装置及び検査システム。

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TWI393878B (zh) * 2008-08-18 2013-04-21 Chunghwa Picture Tubes Ltd 面板檢測裝置及檢測面板的方法
EP2295963B1 (en) * 2009-09-11 2013-12-25 MICROTEC S.r.l. Method and apparatus for determining the knot-to-volume ratio of wooden planks
JP4957850B2 (ja) * 2010-02-04 2012-06-20 カシオ計算機株式会社 撮像装置、警告方法、および、プログラム
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CN102313747B (zh) * 2011-07-27 2013-06-05 国家林业局北京林业机械研究所 锯材表面缺陷的图像采集系统及检测方法
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JP2015145817A (ja) * 2014-02-03 2015-08-13 ダックエンジニアリング株式会社 光学検査装置、及び製函装置
CN104345063A (zh) * 2014-09-10 2015-02-11 德清县传琪装饰材料有限公司 一种木皮检测装置
JP6536094B2 (ja) * 2015-03-10 2019-07-03 大日本印刷株式会社 検査装置、検査方法、および、検査装置用のプログラム
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CN106680299B (zh) * 2017-01-12 2018-12-18 国家林业局北京林业机械研究所 板材节疤外观质量评价方法
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US11200663B1 (en) * 2017-12-06 2021-12-14 Boise Cascade Company Method and system for layered wood product production using local robotic panel assembly cells and vision system analysis
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CN108375353B (zh) * 2017-12-14 2024-04-19 北京木业邦科技有限公司 一种木材检测方法、装置和设备
CN108362702A (zh) * 2017-12-14 2018-08-03 北京木业邦科技有限公司 一种基于人工智能的单板缺陷检测方法、系统及设备
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CN108519387B (zh) * 2018-03-30 2023-10-27 福建农林大学 原木旋切单板质量分级的智能识别方法
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JP6887175B2 (ja) * 2019-10-31 2021-06-16 株式会社名南製作所 単板選別制御装置、単板選別制御方法および単板選別制御用プログラム
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102663340A (zh) * 2012-04-11 2012-09-12 东北林业大学 一种对板材进行分类识别的装置和方法
JP2018179939A (ja) * 2017-04-21 2018-11-15 オムロン株式会社 シート検査装置及び検査システム。
JP7005930B2 (ja) 2017-04-21 2022-01-24 オムロン株式会社 シート検査装置及び検査システム

Also Published As

Publication number Publication date
EP2148189A4 (en) 2011-02-16
KR20100015628A (ko) 2010-02-12
AU2007352792B2 (en) 2012-11-15
AU2007352792A1 (en) 2008-11-13
EP2148189B1 (en) 2014-11-19
KR101415628B1 (ko) 2014-07-04
CN101669023A (zh) 2010-03-10
EP2148189A1 (en) 2010-01-27
CA2681817C (en) 2014-09-30
US8253793B2 (en) 2012-08-28
US20100141754A1 (en) 2010-06-10
CA2681817A1 (en) 2008-11-13

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