WO2011059857A3 - Methods and systems for determining and tracking extremities of a target - Google Patents

Methods and systems for determining and tracking extremities of a target Download PDF

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Publication number
WO2011059857A3
WO2011059857A3 PCT/US2010/055171 US2010055171W WO2011059857A3 WO 2011059857 A3 WO2011059857 A3 WO 2011059857A3 US 2010055171 W US2010055171 W US 2010055171W WO 2011059857 A3 WO2011059857 A3 WO 2011059857A3
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WO
WIPO (PCT)
Prior art keywords
extremities
target
tracking
systems
determining
Prior art date
Application number
PCT/US2010/055171
Other languages
French (fr)
Other versions
WO2011059857A2 (en
Inventor
Tommer Leyvand
Simon Piotr Stachniak
Craig Peeper
Shao LIU
Johnny Lee
Original Assignee
Microsoft Corporation
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 Microsoft Corporation filed Critical Microsoft Corporation
Priority to CN201080050924.2A priority Critical patent/CN102665838B/en
Publication of WO2011059857A2 publication Critical patent/WO2011059857A2/en
Publication of WO2011059857A3 publication Critical patent/WO2011059857A3/en
Priority to HK13100850.4A priority patent/HK1173690A1/en

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Classifications

    • 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
    • G06F3/011Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • 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
    • G06F3/017Gesture based interaction, e.g. based on a set of recognized hand gestures
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/20Analysis of motion
    • G06T7/246Analysis of motion using feature-based methods, e.g. the tracking of corners or segments
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00Scenes; Scene-specific elements
    • G06V20/60Type of objects
    • G06V20/64Three-dimensional objects
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/20Movements or behaviour, e.g. gesture recognition
    • G06V40/28Recognition of hand or arm movements, e.g. recognition of deaf sign language
    • 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
    • G06F3/011Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G06F3/012Head tracking input arrangements
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2200/00Indexing scheme for image data processing or generation, in general
    • G06T2200/04Indexing scheme for image data processing or generation, in general involving 3D image data
    • 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
    • G06T2207/10028Range image; Depth image; 3D point clouds
    • 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
    • G06T2207/20021Dividing image into blocks, subimages or windows
    • 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
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2210/00Indexing scheme for image generation or computer graphics
    • G06T2210/12Bounding box
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2219/00Indexing scheme for manipulating 3D models or images for computer graphics
    • G06T2219/20Indexing scheme for editing of 3D models
    • G06T2219/2004Aligning objects, relative positioning of parts

Abstract

An image such as a depth image of a scene may be received, observed, or captured by a device. A grid of voxels may then be generated based on the depth image such that the depth image may be downsampled. A background included in the grid of voxels may also be removed to isolate one or more voxels associated with a foreground object such as a human target. A location or position of one or more extremities of the isolated human target may then be determined.
PCT/US2010/055171 2009-11-11 2010-11-02 Methods and systems for determining and tracking extremities of a target WO2011059857A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201080050924.2A CN102665838B (en) 2009-11-11 2010-11-02 Methods and systems for determining and tracking extremities of a target
HK13100850.4A HK1173690A1 (en) 2009-11-11 2013-01-18 Methods and systems for determining and tracking extremities of a target

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/616,471 2009-11-11
US12/616,471 US8963829B2 (en) 2009-10-07 2009-11-11 Methods and systems for determining and tracking extremities of a target

Publications (2)

Publication Number Publication Date
WO2011059857A2 WO2011059857A2 (en) 2011-05-19
WO2011059857A3 true WO2011059857A3 (en) 2011-10-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2010/055171 WO2011059857A2 (en) 2009-11-11 2010-11-02 Methods and systems for determining and tracking extremities of a target

Country Status (4)

Country Link
US (3) US8963829B2 (en)
CN (1) CN102665838B (en)
HK (1) HK1173690A1 (en)
WO (1) WO2011059857A2 (en)

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