'Voxel' diaporamas de présentation

CSCE 641 Computer Graphics: Image-based Modeling

CSCE 641 Computer Graphics: Image-based Modeling. Jinxiang Chai. Outline. Stereo matching - Traditional stereo - Multi-baseline stereo - Active stereo Volumetric stereo - Visual hull - Voxel coloring - Space carving. Multi-baseline stereo reconstruction.

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Analyses IRMf

799 views • 67 slides

From Images to Voxels

SIGGRAPH 2000 Course on 3D Photography. From Images to Voxels. Steve Seitz Carnegie Mellon University University of Washington http://www.cs.cmu.edu/~seitz. 3D Reconstruction from Calibrated Images. Scene Volume V. Input Images (Calibrated).

633 views • 53 slides

Announcements

Announcements. Project 3 grades out today, write-ups online asap Project 4 extension: Thurs, 11:59pm. Multiview stereo. Readings S. M. Seitz and C. R. Dyer, Photorealistic Scene Reconstruction by Voxel Coloring , International Journal of Computer Vision , 35(2), 1999, pp. 151-173.

483 views • 41 slides

Statistical Inference and Random Field Theory

Statistical Inference and Random Field Theory. Will Penny SPM short course, London, May 2003. M.Brett et al. Introduction to Random Field Theory, To appear in HBF, 2 nd Edition. image data. parameter estimates. design matrix. kernel. General Linear Model model fitting statistic image.

482 views • 41 slides

Methods

Methods. Neuropsychology Lesion data Single dissociation Double dissociation Transcranial magnetic stimulation (TMS). TMS. Electrical current sent through coil generates a magnetic field that passes through the scalp, depolarizes neuronal membrane, and causes action potential. TMS. TMS.

498 views • 34 slides

Fluid Surface Rendering in CUDA

Fluid Surface Rendering in CUDA. Andrei Monteiro Marcelo Gattass Assignment 4 June 2010. Topics. Introduction Related Work Algorithm CUDA Implementation Shading Results Conclusion References. Introduction. Fluids are part of our daily lives. Difficult to reproduce

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532 views • 31 slides

P HI T S

P HI T S. Multi-Purpose P article and H eavy I on T ransport code S ystem. PHITS Tutorial for making Voxel Phantom. Last revised 2013/10. title. 1. What is Voxel Phantom?. Reproduce a complex structure such as human body based on repeated rectangles filled with a certain material

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Stimulus Presentation and Image Acquisition

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Solid Modeling

Solid Modeling. ????? ??? ???? ???. Solid Modeling. Represent Solid Interiors of Objects Surface may not be described explicitly. Motivation. Some Acquisition Methods Generate Solids Example: CAT scan. Motivation. Some Applications Require Solids Example: CAD/CAM. Motivation.

398 views • 26 slides

Solid Modeling

Solid Modeling. ????? ???? ???. Solid Modeling. Represent Solid Interiors of Objects Surface may not be described explicitly. Motivation. Some Acquisition Methods Generate Solids Example: CAT scan. Motivation. Some Applications Require Solids Example: CAD/CAM. Motivation.

394 views • 26 slides

Solid Modeling

Solid Modeling. ????? ??? ???? ???. Solid Modeling. Represent Solid Interiors of Objects Surface may not be described explicitly. Motivation. Some Acquisition Methods Generate Solids Example: CAT scan. Motivation. Some Applications Require Solids Example: CAD/CAM. Motivation.

425 views • 26 slides

Voxel Based Morphometry

Methods for Dummies 2013 Elin Rees & Peter McColgan. Voxel Based Morphometry. Contents. Longitudinal fluids Interpretation Issues Multiple comparisons Controlling for TIV Global or local change Interpreting results Summary. General idea Pre-Processing Spatial normalisation

1.18k views • 24 slides

Thinning & Distance Field

Thinning & Distance Field. Advisor ? Ku-Yaw Chang Speaker ? Jhen -Yu Yang. Outline. Introduction Method Method 1 Method 2 Reference. Introduction. Thinning To produce a skeleton Iteratively removing voxels from the boundary. Introduction. Distance field Find ridge points

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Oleg Portniaguine and Dmitriy Pavlov

Oleg Portniaguine and Dmitriy Pavlov. Scientific Computing and Imaging Institute University of Utah. Convenient Modeling of Bioelectric Fields. 1. SCI. Outline. Introduction Computational Scheme Numerical Results Conclusion. 2. SCI. Introduction. EEG Modeling: Boundary Elements

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Estimation of Neutron Dose Conversion Coefficients for a Voxel Phantom with MCNPX

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Issues in voxel-based analysis of PV-corrected data

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