CA2795392C - Double stacked projection - Google Patents

Double stacked projection Download PDF

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Publication number
CA2795392C
CA2795392C CA2795392A CA2795392A CA2795392C CA 2795392 C CA2795392 C CA 2795392C CA 2795392 A CA2795392 A CA 2795392A CA 2795392 A CA2795392 A CA 2795392A CA 2795392 C CA2795392 C CA 2795392C
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CA
Canada
Prior art keywords
image
projector
pixel
output
value
Prior art date
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Active
Application number
CA2795392A
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English (en)
French (fr)
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CA2795392A1 (en
Inventor
Steen Svendstorp Iversen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imax Theatres International Ltd
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Imax EMEA Ltd
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Publication of CA2795392A1 publication Critical patent/CA2795392A1/en
Application granted granted Critical
Publication of CA2795392C publication Critical patent/CA2795392C/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/388—Volumetric displays, i.e. systems where the image is built up from picture elements distributed through a volume
    • H04N13/39—Volumetric displays, i.e. systems where the image is built up from picture elements distributed through a volume the picture elements emitting light at places where a pair of light beams intersect in a transparent material
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/18—Image warping, e.g. rearranging pixels individually
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/106—Processing image signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/327—Calibration thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
    • H04N13/337—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] using polarisation multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/363—Image reproducers using image projection screens
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/67—Circuits for processing colour signals for matrixing
    • 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
    • G06T2207/20—Special algorithmic details
    • G06T2207/20212—Image combination
    • G06T2207/20221—Image fusion; Image merging

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Image Processing (AREA)
CA2795392A 2010-04-18 2011-04-18 Double stacked projection Active CA2795392C (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DKPA201000320 2010-04-18
DKPA201000321 2010-04-18
DKPA201000320 2010-04-18
DKPA201000321 2010-04-18
US35698010P 2010-06-21 2010-06-21
US61/356,980 2010-06-21
PCT/EP2011/056173 WO2011134834A2 (en) 2010-04-18 2011-04-18 Double stacked projection

Publications (2)

Publication Number Publication Date
CA2795392A1 CA2795392A1 (en) 2011-11-03
CA2795392C true CA2795392C (en) 2016-02-23

Family

ID=44629914

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2795392A Active CA2795392C (en) 2010-04-18 2011-04-18 Double stacked projection

Country Status (7)

Country Link
US (1) US8842222B2 (enExample)
EP (2) EP2564374B1 (enExample)
JP (1) JP5813751B2 (enExample)
CN (1) CN103026381B (enExample)
CA (1) CA2795392C (enExample)
RU (1) RU2562757C2 (enExample)
WO (1) WO2011134834A2 (enExample)

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Also Published As

Publication number Publication date
WO2011134834A3 (en) 2012-03-08
US8842222B2 (en) 2014-09-23
JP2013531267A (ja) 2013-08-01
EP2843618B1 (en) 2016-08-31
JP5813751B2 (ja) 2015-11-17
RU2562757C2 (ru) 2015-09-10
EP2564374A2 (en) 2013-03-06
RU2012148896A (ru) 2014-05-27
CN103026381B (zh) 2016-01-20
EP2843618A2 (en) 2015-03-04
CN103026381A (zh) 2013-04-03
EP2843618A3 (en) 2015-03-25
US20130201403A1 (en) 2013-08-08
WO2011134834A2 (en) 2011-11-03
EP2564374B1 (en) 2014-11-19
CA2795392A1 (en) 2011-11-03

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