WO2006004894A3 - Apparatus and methods for haptic rendering using data in a graphics pipeline - Google Patents

Apparatus and methods for haptic rendering using data in a graphics pipeline Download PDF

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Publication number
WO2006004894A3
WO2006004894A3 PCT/US2005/023218 US2005023218W WO2006004894A3 WO 2006004894 A3 WO2006004894 A3 WO 2006004894A3 US 2005023218 W US2005023218 W US 2005023218W WO 2006004894 A3 WO2006004894 A3 WO 2006004894A3
Authority
WO
WIPO (PCT)
Prior art keywords
methods
data
haptic rendering
haptic
graphics pipeline
Prior art date
Application number
PCT/US2005/023218
Other languages
French (fr)
Other versions
WO2006004894A2 (en
Inventor
Brandon D Itkowitz
Loren C Shih
Marc Douglass Midura
Joshua E Handley
William Alexander Goodwin
Original Assignee
Sensable Technologies Inc
Brandon D Itkowitz
Loren C Shih
Marc Douglass Midura
Joshua E Handley
William Alexander Goodwin
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 Sensable Technologies Inc, Brandon D Itkowitz, Loren C Shih, Marc Douglass Midura, Joshua E Handley, William Alexander Goodwin filed Critical Sensable Technologies Inc
Publication of WO2006004894A2 publication Critical patent/WO2006004894A2/en
Publication of WO2006004894A3 publication Critical patent/WO2006004894A3/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—3D [Three Dimensional] image rendering
    • G06T15/10—Geometric effects
    • G06T15/20—Perspective computation
    • 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
    • G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—3D [Three Dimensional] image rendering
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—3D [Three Dimensional] image rendering
    • G06T15/50—Lighting effects
    • G06T15/80—Shading
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T19/00—Manipulating 3D models or images for computer graphics
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T19/00—Manipulating 3D models or images for computer graphics
    • G06T19/006—Mixed reality
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/01—Indexing scheme relating to G06F3/01
    • G06F2203/012—Walk-in-place systems for allowing a user to walk in a virtual environment while constraining him to a given position in the physical environment
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2210/00—Indexing scheme for image generation or computer graphics
    • G06T2210/28—Force feedback
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2215/00—Indexing scheme for image rendering
    • G06T2215/06—Curved planar reformation of 3D line structures

Abstract

The invention provides methods for leveraging data in the graphics pipeline of a 3D graphics application for use in a haptic rendering of a virtual environment. The invention provides methods for repurposing graphical information for haptic rendering. Thus, at least part of the work that would have been performed by a haptic rendering process to provide touch feedback to a user is obviated by work performed by the graphical rendering process. The invention also provides systems and methods for using a 'haptic camera' within a virtual environment to obtain graphical data that is interpreted haptically to provide touch feedback to a user.
PCT/US2005/023218 2004-06-29 2005-06-28 Apparatus and methods for haptic rendering using data in a graphics pipeline WO2006004894A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US58400104P 2004-06-29 2004-06-29
US60/584,001 2004-06-29

Publications (2)

Publication Number Publication Date
WO2006004894A2 WO2006004894A2 (en) 2006-01-12
WO2006004894A3 true WO2006004894A3 (en) 2006-05-18

Family

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Family Applications (1)

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PCT/US2005/023218 WO2006004894A2 (en) 2004-06-29 2005-06-28 Apparatus and methods for haptic rendering using data in a graphics pipeline

Country Status (2)

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US (3) US20060284834A1 (en)
WO (1) WO2006004894A2 (en)

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US20060109266A1 (en) 2006-05-25

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