BR112018003954A2 - controle de potência do domínio de código para luz estruturada - Google Patents

controle de potência do domínio de código para luz estruturada

Info

Publication number
BR112018003954A2
BR112018003954A2 BR112018003954-3A BR112018003954A BR112018003954A2 BR 112018003954 A2 BR112018003954 A2 BR 112018003954A2 BR 112018003954 A BR112018003954 A BR 112018003954A BR 112018003954 A2 BR112018003954 A2 BR 112018003954A2
Authority
BR
Brazil
Prior art keywords
codewords
system further
depth map
domain
power control
Prior art date
Application number
BR112018003954-3A
Other languages
English (en)
Other versions
BR112018003954B1 (pt
Inventor
wilson nash James
Mitkov Atanassov Kalin
johannes lindner Albrecht
Original Assignee
Qualcomm Incorporated
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 Qualcomm Incorporated filed Critical Qualcomm Incorporated
Publication of BR112018003954A2 publication Critical patent/BR112018003954A2/pt
Publication of BR112018003954B1 publication Critical patent/BR112018003954B1/pt

Links

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
    • G01B11/2513—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 with several lines being projected in more than one direction, e.g. grids, patterns
    • 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
    • G01B11/22—Measuring arrangements characterised by the use of optical techniques for measuring depth
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/22—Matching criteria, e.g. proximity measures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/24—Classification techniques
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/50—Depth or shape recovery
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/50—Depth or shape recovery
    • G06T7/521—Depth or shape recovery from laser ranging, e.g. using interferometry; from the projection of structured light
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/42—Global feature extraction by analysis of the whole pattern, e.g. using frequency domain transformations or autocorrelation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/60—Extraction of image or video features relating to illumination properties, e.g. using a reflectance or lighting model
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/22—Character recognition characterised by the type of writing
    • G06V30/224—Character recognition characterised by the type of writing of printed characters having additional code marks or containing code marks

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Data Mining & Analysis (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Artificial Intelligence (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Evolutionary Biology (AREA)
  • Evolutionary Computation (AREA)
  • General Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Optics & Photonics (AREA)
  • Software Systems (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Measurement Of Optical Distance (AREA)
  • Optical Radar Systems And Details Thereof (AREA)

Abstract

sistemas e métodos para controlar sistemas de luz estruturada são revelados. um aspecto é um sistema de luz estruturada. o sistema inclui uns dispositivos de memória configurado para armazenar um mapa de profundidade. o sistema inclui adicionalmente um dispositivo de projeção de imagem que inclui um sistema a laser configurado para projetar as palavras código. o sistema inclui adicionalmente um dispositivo receptor incluindo um sensor, o dispositivo receptor configurado para detectar as palavras código projetadas refletidas a partir de um objeto. o sistema inclui adicionalmente um circuito de processamento configurado para recuperar uma porção do mapa de profundidade e calcular as palavras código esperadas a partir do mapa de profundidade. o sistema inclui ainda um sistema de retroinformação configurado para controlar a potência de saída do sistema a laser com base nas palavras código detectadas e as palavras código esperadas.
BR112018003954-3A 2015-08-31 2016-08-16 Controle de potência do domínio de código para luz estruturada BR112018003954B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562212507P 2015-08-31 2015-08-31
US62/212,507 2015-08-31
US15/060,028 2016-03-03
US15/060,028 US9846943B2 (en) 2015-08-31 2016-03-03 Code domain power control for structured light
PCT/US2016/047179 WO2017040028A1 (en) 2015-08-31 2016-08-16 Code domain power control for structured light

Publications (2)

Publication Number Publication Date
BR112018003954A2 true BR112018003954A2 (pt) 2018-09-25
BR112018003954B1 BR112018003954B1 (pt) 2022-09-13

Family

ID=58095794

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018003954-3A BR112018003954B1 (pt) 2015-08-31 2016-08-16 Controle de potência do domínio de código para luz estruturada

Country Status (10)

Country Link
US (2) US9846943B2 (pt)
EP (1) EP3344949B1 (pt)
JP (2) JP6847922B2 (pt)
KR (1) KR102168257B1 (pt)
CN (1) CN108419440B (pt)
BR (1) BR112018003954B1 (pt)
CA (1) CA2992598A1 (pt)
ES (1) ES2775512T3 (pt)
HU (1) HUE046551T2 (pt)
WO (1) WO2017040028A1 (pt)

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Also Published As

Publication number Publication date
WO2017040028A1 (en) 2017-03-09
US10223801B2 (en) 2019-03-05
EP3344949B1 (en) 2019-11-27
EP3344949A1 (en) 2018-07-11
US20170061634A1 (en) 2017-03-02
CN108419440B (zh) 2020-05-26
CA2992598A1 (en) 2017-03-09
US9846943B2 (en) 2017-12-19
JP6847922B2 (ja) 2021-03-24
CN108419440A (zh) 2018-08-17
KR20180044415A (ko) 2018-05-02
US20180068456A1 (en) 2018-03-08
JP2018525636A (ja) 2018-09-06
JP2021051082A (ja) 2021-04-01
BR112018003954B1 (pt) 2022-09-13
ES2775512T3 (es) 2020-07-27
HUE046551T2 (hu) 2020-03-30
KR102168257B1 (ko) 2020-10-21

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