WO2012170357A3 - Head rotation tracking from depth-based center of mass - Google Patents

Head rotation tracking from depth-based center of mass Download PDF

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Publication number
WO2012170357A3
WO2012170357A3 PCT/US2012/040774 US2012040774W WO2012170357A3 WO 2012170357 A3 WO2012170357 A3 WO 2012170357A3 US 2012040774 W US2012040774 W US 2012040774W WO 2012170357 A3 WO2012170357 A3 WO 2012170357A3
Authority
WO
WIPO (PCT)
Prior art keywords
depth
mass
head
user
head rotation
Prior art date
Application number
PCT/US2012/040774
Other languages
French (fr)
Other versions
WO2012170357A2 (en
Inventor
David Mark EICHORN
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 EP12797098.6A priority Critical patent/EP2719186B1/en
Priority to KR1020137032248A priority patent/KR101932788B1/en
Priority to JP2014514528A priority patent/JP6080843B2/en
Publication of WO2012170357A2 publication Critical patent/WO2012170357A2/en
Publication of WO2012170357A3 publication Critical patent/WO2012170357A3/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input 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
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G06F3/012—Head tracking input arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/20—Movements or behaviour, e.g. gesture recognition

Abstract

The rotation of a user's head may be determined as a function of depth values from a depth image. In accordance with some embodiments, an area of pixels from a depth image containing a user's head is identified as a head region. The depth values for pixels in the head region are used to calculate a center of depth-mass for the user's head. The rotation of the user's head may be determined based on the center of depth-mass for the user's head.
PCT/US2012/040774 2011-06-06 2012-06-04 Head rotation tracking from depth-based center of mass WO2012170357A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP12797098.6A EP2719186B1 (en) 2011-06-06 2012-06-04 Head rotation tracking from depth-based center of mass
KR1020137032248A KR101932788B1 (en) 2011-06-06 2012-06-04 Head rotation tracking from depth-based center of mass
JP2014514528A JP6080843B2 (en) 2011-06-06 2012-06-04 Tracking head rotation from the center of mass based on depth

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201161493785P 2011-06-06 2011-06-06
US61/493,785 2011-06-06
US13/212,745 2011-08-18
US13/212,745 US9098110B2 (en) 2011-06-06 2011-08-18 Head rotation tracking from depth-based center of mass

Publications (2)

Publication Number Publication Date
WO2012170357A2 WO2012170357A2 (en) 2012-12-13
WO2012170357A3 true WO2012170357A3 (en) 2013-06-13

Family

ID=47261728

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2012/040774 WO2012170357A2 (en) 2011-06-06 2012-06-04 Head rotation tracking from depth-based center of mass

Country Status (5)

Country Link
US (1) US9098110B2 (en)
EP (1) EP2719186B1 (en)
JP (1) JP6080843B2 (en)
KR (1) KR101932788B1 (en)
WO (1) WO2012170357A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9406135B2 (en) * 2012-10-29 2016-08-02 Samsung Electronics Co., Ltd. Device and method for estimating head pose
US9052746B2 (en) * 2013-02-15 2015-06-09 Microsoft Technology Licensing, Llc User center-of-mass and mass distribution extraction using depth images
US10362296B2 (en) 2017-08-17 2019-07-23 Microsoft Technology Licensing, Llc Localized depth map generation
EP3496037A1 (en) 2017-12-06 2019-06-12 Koninklijke Philips N.V. Device, system and method for detecting body movement of a patient
US11157728B1 (en) * 2020-04-02 2021-10-26 Ricoh Co., Ltd. Person detection and identification using overhead depth images
CN111709974B (en) * 2020-06-22 2022-08-02 苏宁云计算有限公司 Human body tracking method and device based on RGB-D image

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