WO2005041579A3 - Method and system for processing captured image information in an interactive video display system - Google Patents

Method and system for processing captured image information in an interactive video display system Download PDF

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Publication number
WO2005041579A3
WO2005041579A3 PCT/US2004/035478 US2004035478W WO2005041579A3 WO 2005041579 A3 WO2005041579 A3 WO 2005041579A3 US 2004035478 W US2004035478 W US 2004035478W WO 2005041579 A3 WO2005041579 A3 WO 2005041579A3
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WO
WIPO (PCT)
Prior art keywords
image
video display
interactive video
image information
display system
Prior art date
Application number
PCT/US2004/035478
Other languages
French (fr)
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WO2005041579A2 (en
Inventor
Matthew Bell
Original Assignee
Reactrix Systems Inc
Matthew Bell
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.)
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Publication date
Application filed by Reactrix Systems Inc, Matthew Bell filed Critical Reactrix Systems Inc
Publication of WO2005041579A2 publication Critical patent/WO2005041579A2/en
Publication of WO2005041579A3 publication Critical patent/WO2005041579A3/en

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0425Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/10Segmentation; Edge detection
    • G06T7/11Region-based segmentation
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/10Segmentation; Edge detection
    • G06T7/174Segmentation; Edge detection involving the use of two or more images
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/10Segmentation; Edge detection
    • G06T7/194Segmentation; Edge detection involving foreground-background segmentation
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/70Determining position or orientation of objects or cameras
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00Arrangements for image or video recognition or understanding
    • G06V10/20Image preprocessing
    • G06V10/28Quantising the image, e.g. histogram thresholding for discrimination between background and foreground patterns
    • 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
    • G06T2207/10016Video; Image sequence
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/20Special algorithmic details
    • G06T2207/20081Training; Learning
    • 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
    • G06T2207/30196Human being; Person

Abstract

A method and system for processing captured image information in an interactive video display system. In one embodiment, a special learning condition of a captured camera image is detected. The captured camera image is compared to a normal background model image and to a second background model image, wherein the second background model is learned at a faster rate than the normal background model. A vision image is generated based on the comparisons. In another embodiment, an object in the captured image information that does not move or a predetermined time period is detected, A burn-in image comprising the object is generated, wherein the burn-in image is operable to allow a vision system of the interactive video display system to classify the object as background.
PCT/US2004/035478 2003-10-24 2004-10-25 Method and system for processing captured image information in an interactive video display system WO2005041579A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US51402403P 2003-10-24 2003-10-24
US60/514,024 2003-10-24

Publications (2)

Publication Number Publication Date
WO2005041579A2 WO2005041579A2 (en) 2005-05-06
WO2005041579A3 true WO2005041579A3 (en) 2006-10-05

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PCT/US2004/035478 WO2005041579A2 (en) 2003-10-24 2004-10-25 Method and system for processing captured image information in an interactive video display system

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US (2) US7536032B2 (en)
WO (1) WO2005041579A2 (en)

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US7809167B2 (en) 2003-10-24 2010-10-05 Matthew Bell Method and system for processing captured image information in an interactive video display system
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