BR112012031828A2 - aquisição de imagens topográficas 3d de marcas de ferramentas usando processo estereofotométrico não linear - Google Patents

aquisição de imagens topográficas 3d de marcas de ferramentas usando processo estereofotométrico não linear

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Publication number
BR112012031828A2
BR112012031828A2 BR112012031828A BR112012031828A BR112012031828A2 BR 112012031828 A2 BR112012031828 A2 BR 112012031828A2 BR 112012031828 A BR112012031828 A BR 112012031828A BR 112012031828 A BR112012031828 A BR 112012031828A BR 112012031828 A2 BR112012031828 A2 BR 112012031828A2
Authority
BR
Brazil
Prior art keywords
stereophotometric
nonlinear
topographic
acquisition
images
Prior art date
Application number
BR112012031828A
Other languages
English (en)
Other versions
BR112012031828B1 (pt
Inventor
Serge LÉVESQUE
Original Assignee
Forensic Technology Wai 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 Forensic Technology Wai Inc filed Critical Forensic Technology Wai Inc
Publication of BR112012031828A2 publication Critical patent/BR112012031828A2/pt
Publication of BR112012031828B1 publication Critical patent/BR112012031828B1/pt

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/24Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/50Depth or shape recovery
    • G06T7/55Depth or shape recovery from multiple images
    • G06T7/586Depth or shape recovery from multiple images from multiple light sources, e.g. photometric stereo
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/10Image acquisition modality
    • G06T2207/10141Special mode during image acquisition
    • G06T2207/10152Varying illumination
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/30Subject of image; Context of image processing
    • G06T2207/30108Industrial image inspection
    • G06T2207/30136Metal

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Image Processing (AREA)

Abstract

aquisição de imagens topográficas 3d de marcas de ferramentas usando processo estereofotométrico não linear. a presente invenção refere-se a um processo e um sistema de aquisição de imagens 3d para abordar a natureza especular de superfícies metálicas em geral, e peças de evidência balísticas em particular, usando estereofotométrico por identificação e solução de vários conjuntos de equações não lineares, compreendendo um termo difusivo e um termo especular, para determinar um campo de vetor normal superfície n (x,y), e usando n( x, y) para determinar uma topografia 3d z (x, y).
BR112012031828-4A 2010-06-16 2011-06-02 Método para determinar uma topografia 3d z (x, y) de uma superfície especular de um objeto, sistema para determinar uma topografia 3d z (x, y) de uma superfície especular de um objeto, e meio legível por computador não transitório BR112012031828B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US35524110P 2010-06-16 2010-06-16
US61/355,241 2010-06-16
PCT/CA2011/050335 WO2011156919A1 (en) 2010-06-16 2011-06-02 Acquisition of 3d topographic images of tool marks using non-linear photometric stereo method

Publications (2)

Publication Number Publication Date
BR112012031828A2 true BR112012031828A2 (pt) 2016-11-08
BR112012031828B1 BR112012031828B1 (pt) 2020-05-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012031828-4A BR112012031828B1 (pt) 2010-06-16 2011-06-02 Método para determinar uma topografia 3d z (x, y) de uma superfície especular de um objeto, sistema para determinar uma topografia 3d z (x, y) de uma superfície especular de um objeto, e meio legível por computador não transitório

Country Status (11)

Country Link
US (1) US9007457B2 (pt)
EP (1) EP2583054B1 (pt)
CN (1) CN103003663B (pt)
AU (1) AU2011267751B2 (pt)
BR (1) BR112012031828B1 (pt)
CA (1) CA2801097C (pt)
ES (1) ES2742264T3 (pt)
MX (1) MX2012014516A (pt)
RU (1) RU2557674C2 (pt)
WO (1) WO2011156919A1 (pt)
ZA (1) ZA201208945B (pt)

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CN110227662A (zh) * 2019-08-08 2019-09-13 征图新视(江苏)科技股份有限公司 一种受话器产品成像缺陷的检测方法及其检测光源
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CN115164776B (zh) * 2022-07-04 2023-04-21 清华大学 一种结构光解码与深度学习融合的三维测量方法及装置

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Also Published As

Publication number Publication date
EP2583054A4 (en) 2017-08-23
EP2583054A1 (en) 2013-04-24
CA2801097A1 (en) 2011-12-22
US20110311107A1 (en) 2011-12-22
ES2742264T3 (es) 2020-02-13
WO2011156919A1 (en) 2011-12-22
RU2013101791A (ru) 2014-07-27
AU2011267751A1 (en) 2012-12-20
EP2583054B1 (en) 2019-05-22
MX2012014516A (es) 2013-01-29
CN103003663A (zh) 2013-03-27
US9007457B2 (en) 2015-04-14
BR112012031828B1 (pt) 2020-05-12
CN103003663B (zh) 2016-03-16
ZA201208945B (en) 2015-08-26
AU2011267751B2 (en) 2014-12-18
RU2557674C2 (ru) 2015-07-27
CA2801097C (en) 2015-08-04

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Legal Events

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B25A Requested transfer of rights approved

Owner name: ULTRA ELECTRONICS FORENSIC TECHNOLOGY INC. (CA)

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 02/06/2011, OBSERVADAS AS CONDICOES LEGAIS.