WO2006058292A8 - Methods for retrieving shapes and drawings - Google Patents

Methods for retrieving shapes and drawings

Info

Publication number
WO2006058292A8
WO2006058292A8 PCT/US2005/042925 US2005042925W WO2006058292A8 WO 2006058292 A8 WO2006058292 A8 WO 2006058292A8 US 2005042925 W US2005042925 W US 2005042925W WO 2006058292 A8 WO2006058292 A8 WO 2006058292A8
Authority
WO
WIPO (PCT)
Prior art keywords
methods
dimensional
drawings
disclosed
shapes
Prior art date
Application number
PCT/US2005/042925
Other languages
French (fr)
Other versions
WO2006058292A9 (en
WO2006058292A2 (en
WO2006058292A3 (en
Inventor
Karthik Ramani
Jiantao Pu
Original Assignee
Purdue Research Foundation
Karthik Ramani
Jiantao Pu
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 Purdue Research Foundation, Karthik Ramani, Jiantao Pu filed Critical Purdue Research Foundation
Publication of WO2006058292A2 publication Critical patent/WO2006058292A2/en
Publication of WO2006058292A9 publication Critical patent/WO2006058292A9/en
Publication of WO2006058292A3 publication Critical patent/WO2006058292A3/en
Publication of WO2006058292A8 publication Critical patent/WO2006058292A8/en

Links

Classifications

    • 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
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
    • G06F16/53—Querying
    • G06F16/532—Query formulation, e.g. graphical querying
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/46—Descriptors for shape, contour or point-related descriptors, e.g. scale invariant feature transform [SIFT] or bags of words [BoW]; Salient regional features
    • G06V10/478—Contour-based spectral representations or scale-space representations, e.g. by Fourier analysis, wavelet analysis or curvature scale-space [CSS]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
    • G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
    • G06V10/752—Contour matching
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/60—Type of objects
    • G06V20/64—Three-dimensional objects
    • G06V20/647—Three-dimensional objects by matching two-dimensional images to three-dimensional objects
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/40—Document-oriented image-based pattern recognition
    • G06V30/42—Document-oriented image-based pattern recognition based on the type of document
    • G06V30/422—Technical drawings; Geographical maps

Abstract

There are disclosed methods to provide stable pose determinations of various three dimensional shapes. Methods are also disclosed for determining multiple, unique drawing descriptors for two dimensional drawings, and for obtaining intermediate three dimensional representations of two dimensional drawings as one way to determine the descriptor. Methods are also disclosed to provide for searching of two dimensional drawings and three dimensional shapes using user-defined input, which may be a drawing or sketch. User interactivity is provided to further refine search results.
PCT/US2005/042925 2004-11-29 2005-11-29 Methods for retrieving shapes and drawings WO2006058292A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US63146804P 2004-11-29 2004-11-29
US60/631,468 2004-11-29
US66400505P 2005-03-21 2005-03-21
US60/664,005 2005-03-21

Publications (4)

Publication Number Publication Date
WO2006058292A2 WO2006058292A2 (en) 2006-06-01
WO2006058292A9 WO2006058292A9 (en) 2006-08-03
WO2006058292A3 WO2006058292A3 (en) 2008-04-17
WO2006058292A8 true WO2006058292A8 (en) 2008-08-21

Family

ID=36498603

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/042925 WO2006058292A2 (en) 2004-11-29 2005-11-29 Methods for retrieving shapes and drawings

Country Status (2)

Country Link
US (2) US7583272B2 (en)
WO (1) WO2006058292A2 (en)

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