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Computer Vision: Shape from Specularities and Motion

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Damian T. Gordon
Damian T. Gordon
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Use of Specularities and Motion in the Extraction of Surface Shape Damian Gordon [email_address]
Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Specular Surface ,[object Object]
Image Geometry ________________________
Image Formation ,[object Object],[object Object]
Image Formation
Image Formation ,[object Object],[object Object]
Image Formation
Perspective Projection ,[object Object],[object Object],[object Object]
Image Irradiance (Brightness) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Image Irradiance ,[object Object],[object Object],[object Object],[object Object]
Image Irradiance ,[object Object],[object Object],[object Object],[object Object]
Types of Reflectance ,[object Object],[object Object],[object Object],[object Object]
Lambertian Reflectance ,[object Object],[object Object],[object Object]
Lambertian Reflectance - Point Source ,[object Object],[object Object],[object Object]
Lambertian Reflectance - Uniform Source ,[object Object],[object Object],[object Object]
Specular Reflectance ,[object Object],[object Object],[object Object]
Specular Reflectance ,[object Object],[object Object],[object Object]
Hybrid Reflectance ,[object Object],[object Object],[object Object],[object Object]
Surface Orientation ,[object Object],[object Object],[object Object],[object Object]
Surface Orientation ,[object Object],[object Object],[object Object]
Reflectance Map ,[object Object],[object Object]
Reflectance Map ,[object Object],[object Object]
Shape from Shading ,[object Object],[object Object]
Shape from Shading ,[object Object],[object Object],[object Object]
Shape from Shading
Photometric Stereo ,[object Object],[object Object],[object Object]
Photometric Stereo ,[object Object],[object Object],[object Object]
Photometric Stereo ________________________
Determining Surface Orientations of Specular Surfaces by Using the Photometric Stereo Method Katsusi Ikeuchi Ministry of International Trade in Industry, Japan
Introduction ,[object Object],[object Object],[object Object]
Image Radiance ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Image Radiance ,[object Object],[object Object]
System Implementation ,[object Object],[object Object],[object Object]
Off-Line Job ,[object Object],[object Object],[object Object],[object Object]
Off-Line Job
On-Line Job ,[object Object],[object Object],[object Object]
Results ,[object Object],[object Object]
Extracting the Shape and Roughness of Specular Lobe Objects Using Four Light Photometric Stereo Fredric Solomon Katsushi Ikeuchi Carnegie Mellon
Structured Highlights __________________________
Structured Highlight Inspection of Specular Surfaces Arthur C. Sanderson Lee E. Weiss Shree K. Nayar Carnegie Mellon
Introduction ,[object Object],[object Object]
Introduction ,[object Object],[object Object]
Introduction ,[object Object],[object Object]
Lambertian Reflectance ,[object Object],[object Object],[object Object],[object Object],[object Object]
Hybrid Reflectance ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Structured Hightlight Inspection ,[object Object],[object Object]
Camera Models ,[object Object],[object Object],[object Object]
Perspective Camera Model ,[object Object],[object Object]
Orthographic Projection Model ,[object Object]
“ Fixed” Camera Model ,[object Object]
Camera Models - Accuracy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
SHINY - Structured Highlight INspection sYstem ,[object Object],[object Object],[object Object]
Stereo Hightlight Algorithm ,[object Object],[object Object]
Results ,[object Object],[object Object]
Stereo Techniques ________________________
Stereo in the Presence of Specular Reflection Dinkar N. Bhat Shree K. Nayar Columbia University
Introduction ,[object Object],[object Object]
Correspondence Problem ,[object Object],[object Object]
Specular Reflection ,[object Object],[object Object]
Specular Reflection Smooth Surface Rough Surface
Implications for Stereo ,[object Object],[object Object],[object Object]
Implications for Stereo ,[object Object]
Binocular Stereo Configuration
Vergence ,[object Object],[object Object]
Binocular Stereo ,[object Object],[object Object],[object Object],[object Object]
Experiments ,[object Object],[object Object]
 
Trinocular Stereo ,[object Object],[object Object]
Trinocular Stereo
Experiments ,[object Object]
Retrieving Shape Information from Multiple Images of a Specular Surface Howard Schultz University of Massachusetts
Introduction ,[object Object]
Viewing Geometry ,[object Object],[object Object],[object Object]
Viewing Geometry
Image Synthesis ,[object Object],[object Object],[object Object]
Specular Surface Stereo ,[object Object],[object Object]
Surface Orientation ,[object Object],[object Object]
Surface Propagation ,[object Object],[object Object],[object Object]
Obtaining Seed Values ,[object Object],[object Object]
Results ,[object Object],[object Object]
Motion Techniques ________________________
A Theory of Specular Surface Geometry Michael Oren Shree K. Nayar Columbia University
Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object]
Introduction ,[object Object],[object Object]
Curve Representation ,[object Object],[object Object]
Curve Representation
2D Caustics ,[object Object],[object Object]
Test Image
2D Caustics ,[object Object],[object Object]
2D Profile Recovery ,[object Object],[object Object]
3D Surface Recovery ,[object Object],[object Object]
3D Surface Recovery ,[object Object],[object Object],[object Object]
Results ,[object Object],[object Object]
Epipolar Geometry ________________________
Epipolar Geometry ,[object Object],[object Object]
Epipolar Geometry ,[object Object],[object Object],[object Object],[object Object]
Epipolar Geometry ,[object Object],[object Object]
Generalizing Epipolar-Plane Image Analysis on the Spatiotemporal Surface H. Harlyn Baker Robert C. Bolles SRI International
Introduction ,[object Object],[object Object],[object Object]
Epipolar-Plane Image Analysis ,[object Object],[object Object],[object Object],[object Object]
Epipolar-Plane Image Analysis ,[object Object],[object Object]
Epipolar-Plane Image Analysis
The Spatiotemporal Surface ,[object Object],[object Object],[object Object]
The Spatiotemporal Surface
3D Surface Estimation and Model Construction From Specular Motion in Image Sequences Jiang Yu Zheng Norihiro Abe Kyushu Institiute of Technology Yoshihiro Fukagawa Torey Corporation
Introduction ,[object Object],[object Object]
System Setup
Projected Highlights ,[object Object],[object Object],[object Object]
Feature tracking ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
EPI-Plane Images ,[object Object]
Results ,[object Object]
Solder Joint Inspection ____________________________
Visual Inspection System for the Classification of Solder Joints Tae-Hyeon Kim Young Shik Moon Sung Han Park Hanyang University Kwang-Jin Yoon LG Industrial Systems
Introduction ,[object Object],[object Object]
Classification of Joints
Preprocessing ,[object Object],[object Object]
Feature Extraction - 2D ,[object Object],[object Object],[object Object],[object Object],[object Object]
Feature Extraction - 3D ,[object Object],[object Object],[object Object]
Classification -2D ,[object Object],[object Object],[object Object],[object Object]
Classification - 3D ,[object Object]
Inspection System
Results
Results

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