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42. Multiple-View Geometry for Image-Based Modeling
Tuesday, Full Day, 8:30 am - 5:30 pm
Room 14 A-B
Level: Intermediate

The state of the art in multiple-view geometry, including methods and algorithms for reconstructing 3D geometric models from video or photographs. This course is based on a novel approach to multiple-view geometry that requires only linear algebra, which makes image-based modeling techniques accessible to a larger audience.

Prerequisites
Basic knowledge of image formation and modeling, 2D and 3D geometry, rigid body transformations and linear algebra, from experience with image-based rendering, or from an introductory-level computer vision and graphics course. Unlike traditional treatment of this subject, this course will not require any knowledge of tensorial algebra or projective geometry.

Topics
Key algorithms for building a 3D geometric model from 2D images. Image formation. Feature extraction, matching, and tracking. Two-view geometry. Uncalibrated geometry and reconstruction, geometry, and reconstruction from multiple views. Incorporation of scene knowledge. Step-by-step building of a 3D model. Image-based texture mapping and rendering from photographs.

Co-Organizers
Yi Ma
University of Illinois at Urbana-Champaign

Stefano Soatto
University of California, Los Angeles

Lecturers
Jana Kosecka
George Mason University

Yi Ma
University of Illinois at Urbana-Champaign

Stefano Soatto
University of California, Los Angeles

Rene Vidal
University of California, Berkeley

Yizhou Yu
University of Illinois at Urbana-Champaign

Schedule

Component 1: Image Formation and Primitives
8:30 Introduction to Multiple-View Geometry
Ma
8:50 Imaging Geometry and Image Formation
Ma
9:30 Image Primitives and Correspondence
Soatto
10:15 Break
Component 2: Two-View Geometry
10:30 Reconstruction From Two Calibrated Views
Kosecka
11:10 Uncalibrated Geometry and Stratified Reconstruction
Soatto
12:15 Lunch
Component 3: Multiple-View Geometry
1:30 Geometry and Algebra of Multiple Views
Vidal
2:30 Multiple-View Reconstruction From Scene Knowledge
Ma
3:15 Break
Component 4: Image-Based Modeling and Rendering
3:30 Step-by-Step 3D Modeling From Images
Kosecka and Soatto
4:30 Image-Based Texture-Mapping and Rendering Real Scenes
Yu
5:10 Summary, Questions, and Answers
All



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