'Radon transform' diaporamas de présentation

The MPEG-7 Multimedia Content Description Interface

The MPEG-7 Multimedia Content Description Interface. ????????? ??????????, ?/? ??????????? ???????????? ??? ??????????????? ?.?.?.?.? ??????????. Outline. MPEG-7 motivation and scope Visual Descriptors (color, texture, shape) MPEG-7 retrieval evaluation criterion

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Atelier APMEP Octobre 2008

723 views • 62 slides

Measuring the Properties of Rossby Waves from Space

Measuring the Properties of Rossby Waves from Space. Peter Challenor, Paolo Cipollini & the Laboratory for Satellite Oceanography Southampton Oceanography Centre, U.K. Outline. Observations of planetary waves with satellite altimetry Speed estimation techniques

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Outline

Simultaneous Signal and Noise Modelling via the Radon Transform M.D.Sacchi, C. Moldoveanu-Constantinescu and D. Trad (Veritas DGC) EAGE Paris 2004. Signal Analysis and Imaging Group Department of Physics & Institute for Geophysical Research University of Alberta, Edmonton, AB, Canada.

649 views • 51 slides

Sample CT Image

Sample CT Image. X-ray. 2 % attenuation change detectable in film. CT. 0.2 % change in attenuation coefficient. y. x. f(x,y). CT, like X-ray measure line integrals. ? ? ? ? ?. g(R) = CT detector array output. g(R). Direct Methods. Radon Transform 1917

530 views • 34 slides

Attenuation of Diffracted Multiples

Attenuation of Diffracted Multiples. Gabriel Alvarez Biondo Biondi Antoine Guitton. Stanford University. Goal. Introduce a method to attenuate diffracted multiples on 2D data, based on an apex-shifted Radon transform.

392 views • 32 slides

Balaji Ramadoss December,06,2002

DEVELOPMENT OF ALGORITHM FOR PANORAMA GENERATION, AND IMAGE SEGMENTATION FROM STILLS OF UNDERVEHICLE INSPECTION. Balaji Ramadoss December,06,2002. Main Objective of this course. Design segmentation algorithm to identify the objects in the data collected from the under vehicle inspector

393 views • 32 slides

Medical Imaging Topic: Radon Transform & Inverse Radon Transf.

ENEE631 Fall 2001 Lecture-22. Medical Imaging Topic: Radon Transform & Inverse Radon Transf. Min Wu Electrical & Computer Engineering Univ. of Maryland, College Park. ? http:// www.ece.umd.edu/class/enee631/ ? minwu@eng.umd.edu. Last Time. Sampling rate conversion

1.49k views • 26 slides

COMPARISON OF GEOMETRY-BASED DOPPLER AMBIGUITY RESOLVER IN SQUINT SAR &

COMPARISON OF GEOMETRY-BASED DOPPLER AMBIGUITY RESOLVER IN SQUINT SAR &. AN INDIRECT DOPPLER RATE ESTIMATION SCHEME OF SAR IN LOW -CONTRAST SCENE. Wenchao Li University of Electronic Science and Technology of China. Introduction. Synthetic Aperture Radar (SAR).

618 views • 24 slides

WiP

WiP. Wildlife in a palm. Kevin Cheng, Hank Chou, Huy Nguyen, Shaolei Zhang. Definition:. Radon transform computes projections of an image matrix along specified directions. where t = xcos ? + ysin ? is the line to the origin. Matlab calculation.

356 views • 24 slides

Image Reconstruction

Image Reconstruction. Atam P Dhawan. y. b. Radiating Object f( a,b,g ). Image g(x,y,z). Image Formation System h. g. z. Image Domain. Object Domain. x. a. Image Formation. b. y. Radiating Object. Image. Image Formation System h. Selected Cross-Section. g. z.

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Kaggle: Whale Challenge

Kaggle: Whale Challenge. ??? jang@cs.nthu.edu.tw http://www.cs.nthu.edu.tw/~jang ?????????? ???? ?????. Whale Challenge. Problem definition Identify the existence of whales from sensor recordings Characteristics: Imbalance data Some recordings are hardly recognizable by non-experts.

444 views • 22 slides

Image Reconstruction

Image Reconstruction. Atam P Dhawan. y. b. Radiating Object f( a,b,g ). Image g(x,y,z). Image Formation System h. g. z. Image Domain. Object Domain. x. a. Image Formation. b. y. Radiating Object. Image. Image Formation System h. Selected Cross-Section. g. z.

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6: Positron Emission Tomography

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383 views • 19 slides

New Faculty Research Activities

New Faculty Research Activities. KHALED SALAMA. MURAT ARCAK. Nonlinear Control Theory: Develop tools for robust feedback design and state estimation by exploiting inherent system structure and nonlinearities. Applications to Fuel Cells: State estimation (for H2,CO,

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X-Ray Computed Tomography

679 views • 18 slides

ramp filter

434 views • 15 slides

Basic Principles of Computed Tomography

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Basic Principles of Computed Tomography

488 views • 8 slides