CA2286447A1 - Perspective with shear warp - Google Patents

Perspective with shear warp Download PDF

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Publication number
CA2286447A1
CA2286447A1 CA002286447A CA2286447A CA2286447A1 CA 2286447 A1 CA2286447 A1 CA 2286447A1 CA 002286447 A CA002286447 A CA 002286447A CA 2286447 A CA2286447 A CA 2286447A CA 2286447 A1 CA2286447 A1 CA 2286447A1
Authority
CA
Canada
Prior art keywords
image
data
perspective
surgeon
determining
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA002286447A
Other languages
French (fr)
Other versions
CA2286447C (en
Inventor
Vittorio Accomazzi
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.)
Cedara Software Corp
Original Assignee
Cedara Software Corp
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 Cedara Software Corp filed Critical Cedara Software Corp
Priority to CA002286447A priority Critical patent/CA2286447C/en
Priority to PCT/CA2000/001184 priority patent/WO2001029772A1/en
Priority to AU77659/00A priority patent/AU7765900A/en
Publication of CA2286447A1 publication Critical patent/CA2286447A1/en
Priority to US10/122,148 priority patent/US20030012419A1/en
Priority to US10/792,126 priority patent/US7031505B2/en
Application granted granted Critical
Publication of CA2286447C publication Critical patent/CA2286447C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—3D [Three Dimensional] image rendering
    • G06T15/08—Volume rendering

Abstract

The present invention relates to a method for generating an 2-D projection directly from a 3-D volume data, the method comprising the steps of determining a viewing direction vector in a viewing frustum, determining a major axis of the direction vector, resampling the volume data in the direction of the major axis, applying a shear factorization to the resampled data; and rendering the factorized data. The method provides a singularly warped image which avoids have to patch images from multiple warp functions which, in turn, improves the quality of the final image. Finally, the image allows a scene to be rendered from within the scene itself. The invention can be applied to medical imaging and enable a surgeon to view an image such as a CT
scan with perspective as well as from within the scan itself, providing the surgeon with an invaluable tool.
CA002286447A 1999-10-15 1999-10-15 Perspective with shear warp Expired - Fee Related CA2286447C (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CA002286447A CA2286447C (en) 1999-10-15 1999-10-15 Perspective with shear warp
PCT/CA2000/001184 WO2001029772A1 (en) 1999-10-15 2000-10-13 Perspective with shear warp
AU77659/00A AU7765900A (en) 1999-10-15 2000-10-13 Perspective with shear warp
US10/122,148 US20030012419A1 (en) 1999-10-15 2002-04-15 Perspective with shear warp
US10/792,126 US7031505B2 (en) 1999-10-15 2004-03-04 Perspective with shear warp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002286447A CA2286447C (en) 1999-10-15 1999-10-15 Perspective with shear warp

Publications (2)

Publication Number Publication Date
CA2286447A1 true CA2286447A1 (en) 2001-04-15
CA2286447C CA2286447C (en) 2009-01-06

Family

ID=4164391

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002286447A Expired - Fee Related CA2286447C (en) 1999-10-15 1999-10-15 Perspective with shear warp

Country Status (4)

Country Link
US (2) US20030012419A1 (en)
AU (1) AU7765900A (en)
CA (1) CA2286447C (en)
WO (1) WO2001029772A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0010685D0 (en) 2000-05-03 2000-06-28 Koninkl Philips Electronics Nv Autostereoscopic display driver
US6570952B2 (en) * 2001-02-27 2003-05-27 Siemens Corporate Research, Inc. Memory efficient shear-warp voxel projection algorithm
US7561725B2 (en) * 2003-03-12 2009-07-14 Siemens Medical Solutions Usa, Inc. Image segmentation in a three-dimensional environment
DE102005023167B4 (en) * 2005-05-19 2008-01-03 Siemens Ag Method and device for registering 2D projection images relative to a 3D image data set
US7978191B2 (en) 2007-09-24 2011-07-12 Dolphin Imaging Systems, Llc System and method for locating anatomies of interest in a 3D volume
GB201003065D0 (en) * 2010-02-23 2010-04-07 Simpleware Ltd Image processing method and method of three-dimensional printing incorporating the same
CN103188998B (en) * 2010-11-12 2015-03-04 株式会社日立医疗器械 Medical image display device and medical image display method
US9728001B2 (en) * 2011-09-23 2017-08-08 Real-Scan, Inc. Processing and rendering of large image files
GB2515510B (en) 2013-06-25 2019-12-25 Synopsys Inc Image processing method
EP3251095B1 (en) * 2015-01-30 2022-05-04 Hewlett-Packard Development Company, L.P. Generating slice data from a voxel representation
US10379611B2 (en) * 2016-09-16 2019-08-13 Intel Corporation Virtual reality/augmented reality apparatus and method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5803082A (en) * 1993-11-09 1998-09-08 Staplevision Inc. Omnispectramammography
AU699764B2 (en) * 1994-09-06 1998-12-17 Research Foundation Of The State University Of New York, The Apparatus and method for real-time volume visualization
US6002738A (en) * 1995-07-07 1999-12-14 Silicon Graphics, Inc. System and method of performing tomographic reconstruction and volume rendering using texture mapping
US6064393A (en) * 1995-08-04 2000-05-16 Microsoft Corporation Method for measuring the fidelity of warped image layer approximations in a real-time graphics rendering pipeline
US6009212A (en) * 1996-07-10 1999-12-28 Washington University Method and apparatus for image registration
US5956418A (en) * 1996-12-10 1999-09-21 Medsim Ltd. Method of mosaicing ultrasonic volumes for visual simulation
US5787889A (en) * 1996-12-18 1998-08-04 University Of Washington Ultrasound imaging with real time 3D image reconstruction and visualization
US6167297A (en) * 1999-05-05 2000-12-26 Benaron; David A. Detecting, localizing, and targeting internal sites in vivo using optical contrast agents
US6330356B1 (en) * 1999-09-29 2001-12-11 Rockwell Science Center Llc Dynamic visual registration of a 3-D object with a graphical model

Also Published As

Publication number Publication date
CA2286447C (en) 2009-01-06
WO2001029772A1 (en) 2001-04-26
US7031505B2 (en) 2006-04-18
AU7765900A (en) 2001-04-30
US20030012419A1 (en) 2003-01-16
US20040170311A1 (en) 2004-09-02

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Effective date: 20111017