'Projective' diaporamas de présentation

The 2D Projective Plane

The 2D Projective Plane. Points and Lines. The 2D projective plane. A point in a plane is represented by (x, y) in R 2 (x, y) is also a vector Homogeneous representation point ( x 1 , x 2 , x 3 ) x= x 1 / x 3 y = x 2 / x 3

1.37k views • 90 slides

Projective structure from motion

633 views • 56 slides

Projective Geometry and Geometric Invariance in Computer Vision

Projective Geometry and Geometric Invariance in Computer Vision. Babak N. Araabi Electrical and Computer Eng. Dept. University of Tehran. Workshop on image and video processing Mordad 13, 1382. Do parallel lines intersect?. Perhaps!. Fifth Euclid's postulate.

944 views • 54 slides

Announcements

Announcements. Email list – let me know if you have NOT been getting mail Assignment hand in procedure web page at least 3 panoramas: (1) sample sequence, (2) w/Kaidan, (3) handheld hand procedure will be posted online Readings for Monday (via web site) Seminar on Thursday, Jan 18

457 views • 41 slides

Uncalibrated Camera

Uncalibrated Camera. Lecture 5 Uncalibrated Geometry & Stratification. calibrated coordinates. Linear transformation. pixel coordinates. Uncalibrated Camera. Calibration with a rig Uncalibrated epipolar geometry Ambiguities in image formation Stratified reconstruction

503 views • 40 slides

Non-projective Dependency Parsing using Spanning Tree Algorithm

R98922004 Yun-Nung Chen ???? ???. Non-projective Dependency Parsing using Spanning Tree Algorithm. Reference. Non-projective Dependency Parsing using Spanning Tree Algorithms (HLT/EMNLP 2005) Ryan McDonald, Fernando Pereira, Kiril Ribarov , Jan Hajic. Introduction.

829 views • 39 slides

Objective

545 views • 39 slides

Basic geometric concepts to understand

Basic geometric concepts to understand. Affine, Euclidean geometries ( in homogeneous coordinates) projective geometry (homogeneous coordinates) plane at infinity: affine geometry. Intuitive introduction. Naturally everything starts from the known vector space.

453 views • 32 slides

Image Warping

Image Warping. http://www.jeffrey-martin.com. 15-463: Computational Photography Alexei Efros, CMU, Fall 2012. Some slides from Steve Seitz. f. f. f. T. T. x. x. x. f. x. Image Transformations. image filtering: change range of image g(x) = T(f(x)).

382 views • 30 slides

Projective 2D geometry course 2

Projective 2D geometry course 2. Multiple View Geometry Comp 290-089 Marc Pollefeys. Content. Background : Projective geometry (2D, 3D), Parameter estimation, Algorithm evaluation. Single View : Camera model, Calibration, Single View Geometry.

461 views • 28 slides

Computer Vision cmput 428/615

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Computer Graphics Through OpenGL: From Theory to Experiments, Second Edition

Computer Graphics Through OpenGL: From Theory to Experiments, Second Edition. Appendix A. Figure A.1: Perceiving objects with a point camera and a plane film. Figure A.2: Perceiving points, lines and planes by projection.

369 views • 27 slides

UNIVERSITATEA HERMANN OBERTH FACULTATEA DE INGINERIE SIBIU

UNIVERSITATEA HERMANN OBERTH FACULTATEA DE INGINERIE SIBIU. Projective Geometry for Image Analysis. 1 Foreword and Motivation 1.1 Intuitive Considerations About Perspective Projection An Infinitely Strange Perspective Homogeneous Coordinates The Perspective Camera

473 views • 26 slides

Multiple View Geometry Projective Geometry & Transformations of 2D

Vladimir Nedovi?. Multiple View Geometry Projective Geometry & Transformations of 2D. Intelligent Systems Lab Amsterdam (ISLA) Informatics Institute, University of Amsterdam Kruislaan 403, 1098 SJ Amsterdam, The Netherlands. vnedovic@science.uva.nl. 18-01-2008. Outline.

406 views • 22 slides

Chapter 6 Emotional and Behavioral Disorders

Chapter 6 Emotional and Behavioral Disorders. IDEA-Definition of Serious Emotional Disturbance (SED). One or more of the following characteristics over a long period of time and to a marked degree that adversely affects educational performance Inability to learn not related to other factors

4.5k views • 17 slides

CASTELNUOVO- MUMFORD REGULARITY - A SURVEY

343 views • 17 slides

315 views • 15 slides

Results from Non-proj Geom

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Measuring attitudes

721 views • 11 slides