'Rotation invariant' presentation slideshows

Rotation invariant - PowerPoint PPT Presentation

Mesh Deformation Based on Discrete Differential Geometry

Mesh Deformation Based on Discrete Differential Geometry

Mesh Deformation Based on Discrete Differential Geometry. Reporter: Zhongping Ji. 4.4.2007. Leonhard Euler 1707.4.15-1783.9.18. Papers. (A) Linear Rotation-invariant Coordinates for Meshes [SIG 2005] Yaron Lipman Olga Sorkine David Levin Daniel Cohen-Or Tel Aviv University

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912 views • 61 slides
Shape Preserving Deformation David Levin Tel-Aviv University Afrigraph 2009

Shape Preserving Deformation David Levin Tel-Aviv University Afrigraph 2009

Shape Preserving Deformation David Levin Tel-Aviv University Afrigraph 2009. Based on joint works with Yaron Lipman and Daniel Cohen-Or Tel-Aviv University. Table of Contents. Representation and manipulation of discrete surfaces.

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612 views • 47 slides
The SIFT (Scale Invariant Feature Transform) Detector and Descriptor

The SIFT (Scale Invariant Feature Transform) Detector and Descriptor

The SIFT (Scale Invariant Feature Transform) Detector and Descriptor. developed by David Lowe University of British Columbia Initial paper 1999 Newer journal paper 2004. Motivation. The Harris operator is not invariant to scale and its descriptor was not invariant to rotation 1.

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366 views • 32 slides
The TEXTAL System: Automated Model-Building Using Pattern Recognition Techniques

The TEXTAL System: Automated Model-Building Using Pattern Recognition Techniques

The TEXTAL System: Automated Model-Building Using Pattern Recognition Techniques. Dr. Thomas R. Ioerger Department of Computer Science Texas A&M University. Collaboration with: Dr. James C. Sacchettini, Center for Structural Biology, Texas A&M Univ.

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405 views • 27 slides
NUCLEAR DFT: SPECIAL PROBLEMS, SOME SOLUTIONS

NUCLEAR DFT: SPECIAL PROBLEMS, SOME SOLUTIONS

NUCLEAR DFT: SPECIAL PROBLEMS, SOME SOLUTIONS. Back to basics State potatoes and slices Hamiltonian Translation invariance, c.m . trap Rotation invariance, radial DFT Intrinsic frame, projector dependence Particle number , concavity Constructive DFT, polynomials. Back to basics.

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339 views • 20 slides
Fourier Descriptors For Shape Recognition

Fourier Descriptors For Shape Recognition

Fourier Descriptors For Shape Recognition. Applied to Tree Leaf Identification By Tyler Karrels. Motivation. Shape recognition can be useful any time we want to detect a distinct shape. Seek one description that can characterize all shapes to a desired accuracy.

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634 views • 15 slides
Detail preserving

Detail preserving

Detail preserving. ??? ?? ????? ???: Linear Rotation-invariant Coordinates for Meshes http://www.math.tau.ac.il/~lipmanya/Linear_rotation_inv_coord.htm ???? ?????? ???? ?????? ??????? (??????) ?? ???? ????? ????? ?????? ????? ?????? ?????? ????. Why Rotation Invariant?.

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92 views • 3 slides

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