WO2007105215A3 - Depth-varying light fields for three dimensional sensing - Google Patents

Depth-varying light fields for three dimensional sensing Download PDF

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Publication number
WO2007105215A3
WO2007105215A3 PCT/IL2007/000327 IL2007000327W WO2007105215A3 WO 2007105215 A3 WO2007105215 A3 WO 2007105215A3 IL 2007000327 W IL2007000327 W IL 2007000327W WO 2007105215 A3 WO2007105215 A3 WO 2007105215A3
Authority
WO
WIPO (PCT)
Prior art keywords
depth
light fields
dimensional sensing
varying light
spots
Prior art date
Application number
PCT/IL2007/000327
Other languages
French (fr)
Other versions
WO2007105215A2 (en
Inventor
Alexander Shpunt
Zeev Zalevsky
Original Assignee
Prime Sense Ltd
Alexander Shpunt
Zeev Zalevsky
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
Priority claimed from PCT/IL2006/000335 external-priority patent/WO2007043036A1/en
Application filed by Prime Sense Ltd, Alexander Shpunt, Zeev Zalevsky filed Critical Prime Sense Ltd
Priority to KR1020087022317A priority Critical patent/KR101408959B1/en
Priority to EP07713347.8A priority patent/EP1994503B1/en
Priority to CN200780009053.8A priority patent/CN101501442B/en
Priority to JP2008558984A priority patent/JP5592070B2/en
Publication of WO2007105215A2 publication Critical patent/WO2007105215A2/en
Publication of WO2007105215A3 publication Critical patent/WO2007105215A3/en

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Classifications

    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/20—Image signal generators
    • H04N13/204—Image signal generators using stereoscopic image cameras
    • H04N13/254—Image signal generators using stereoscopic image cameras in combination with electromagnetic radiation sources for illuminating objects
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10004—Still image; Photographic image
    • G06T2207/10012—Stereo images

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Theoretical Computer Science (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

A method for mapping includes projecting onto an object (28) a pattern of multiple spots (52, 54, 80, 82) having respective positions and shapes, such that the positions of the spots in the pattern are uncorrelated, while the shapes share a common characteristic. An image of the spots on the object is captured and processed so as to derive a three-dimensional (3D) map of the object.
PCT/IL2007/000327 2006-03-14 2007-03-13 Depth-varying light fields for three dimensional sensing WO2007105215A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020087022317A KR101408959B1 (en) 2006-03-14 2007-03-13 Depth-varying light fields for three dimensional sensing
EP07713347.8A EP1994503B1 (en) 2006-03-14 2007-03-13 Depth-varying light fields for three dimensional sensing
CN200780009053.8A CN101501442B (en) 2006-03-14 2007-03-13 Depth-varying light fields for three dimensional sensing
JP2008558984A JP5592070B2 (en) 2006-03-14 2007-03-13 Light field that changes depth for 3D detection

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
ILPCT/IL2006/000335 2006-03-14
PCT/IL2006/000335 WO2007043036A1 (en) 2005-10-11 2006-03-14 Method and system for object reconstruction
US78518706P 2006-03-24 2006-03-24
US60/785,187 2006-03-24
US85243606P 2006-10-16 2006-10-16
US60/852,436 2006-10-16

Publications (2)

Publication Number Publication Date
WO2007105215A2 WO2007105215A2 (en) 2007-09-20
WO2007105215A3 true WO2007105215A3 (en) 2009-04-09

Family

ID=38509879

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL2007/000327 WO2007105215A2 (en) 2006-03-14 2007-03-13 Depth-varying light fields for three dimensional sensing

Country Status (5)

Country Link
US (1) US8374397B2 (en)
EP (1) EP1994503B1 (en)
JP (1) JP5592070B2 (en)
CN (1) CN101501442B (en)
WO (1) WO2007105215A2 (en)

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