WO2007022329A3 - Image acquisition system generating a depth map - Google Patents

Image acquisition system generating a depth map Download PDF

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Publication number
WO2007022329A3
WO2007022329A3 PCT/US2006/032076 US2006032076W WO2007022329A3 WO 2007022329 A3 WO2007022329 A3 WO 2007022329A3 US 2006032076 W US2006032076 W US 2006032076W WO 2007022329 A3 WO2007022329 A3 WO 2007022329A3
Authority
WO
WIPO (PCT)
Prior art keywords
depth map
acquisition system
image acquisition
system generating
pictures
Prior art date
Application number
PCT/US2006/032076
Other languages
French (fr)
Other versions
WO2007022329A2 (en
WO2007022329B1 (en
Inventor
Makibi Nakamura
Earl Quong Wong
Original Assignee
Sony Electronics Inc
Makibi Nakamura
Earl Quong Wong
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 Sony Electronics Inc, Makibi Nakamura, Earl Quong Wong filed Critical Sony Electronics Inc
Priority to JP2008527125A priority Critical patent/JP5161087B2/en
Priority to CN2006800298688A priority patent/CN101243458B/en
Publication of WO2007022329A2 publication Critical patent/WO2007022329A2/en
Publication of WO2007022329A3 publication Critical patent/WO2007022329A3/en
Publication of WO2007022329B1 publication Critical patent/WO2007022329B1/en

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0075—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for altering, e.g. increasing, the depth of field or depth of focus
    • 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
    • G06T7/55—Depth or shape recovery from multiple images
    • G06T7/571—Depth or shape recovery from multiple images from focus

Abstract

An imaging acquisition system that generates a depth map from two pictures of a three dimensional spatial scene is described. According to one aspect of the invention, the system generates the depth map based on the relative blur between the two pictures and the absolute blur contributed by the system. According to another aspect of the invention, the system calculates the depth map directly from the relative blur between the two pictures.
PCT/US2006/032076 2005-08-15 2006-08-15 Image acquisition system generating a depth map WO2007022329A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2008527125A JP5161087B2 (en) 2005-08-15 2006-08-15 Arithmetic method, machine-readable medium, arithmetic device and arithmetic system for creating depth map
CN2006800298688A CN101243458B (en) 2005-08-15 2006-08-15 Image acquisition system for creating a depth map

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/204,942 US7929801B2 (en) 2005-08-15 2005-08-15 Depth information for auto focus using two pictures and two-dimensional Gaussian scale space theory
US11/204,942 2005-08-15

Publications (3)

Publication Number Publication Date
WO2007022329A2 WO2007022329A2 (en) 2007-02-22
WO2007022329A3 true WO2007022329A3 (en) 2007-09-20
WO2007022329B1 WO2007022329B1 (en) 2007-11-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/032076 WO2007022329A2 (en) 2005-08-15 2006-08-15 Image acquisition system generating a depth map

Country Status (4)

Country Link
US (1) US7929801B2 (en)
JP (1) JP5161087B2 (en)
CN (1) CN101243458B (en)
WO (1) WO2007022329A2 (en)

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