'Photometric stereo' diaporamas de présentation

Combining Photometric and Geometric Constraints

Combining Photometric and Geometric Constraints. Yael Moses IDC, Herzliya. Joint work with Ilan Shimshoni and Michael Lindenbaum, the Technion. Problem 1:. Recover the 3D shape of a general smooth surface from a set of calibrated images. Problem 2:.

1.17k views • 104 slides

Machine Vision Laboratory The University of the West of England Bristol, UK

2 nd September 2010 ICEBT. Machine Vision Laboratory The University of the West of England Bristol, UK. Photometric Stereo in 3D Biometrics. Gary A. Atkinson. PSG College of Technology Coimbatore, India. Overview. What is photometric stereo? Why photometric stereo? The basic method

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Analysis of Lighting Effects

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3D Modeling using Multi-camera and Multi-lighting (MVML) Dome

3D Modeling using Multi-camera and Multi-lighting (MVML) Dome. Broadband Network and Digital Media Lab (BBNC), Automation Department, Tsinghua University Yebin Liu http://media.au.tsinghua.edu.cn/liuyebin.jsp. Introduction. ????????????. Broadband Network & Digital Media Lab.

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Amit Agrawal, Ramesh Raskar and Rama Chellappa Presented by: Ramesh Raskar *

What is the Range of Surface Reconstructions from a Gradient Field?. Amit Agrawal, Ramesh Raskar and Rama Chellappa Presented by: Ramesh Raskar * University of Maryland, MD, USA * Mitsubishi Electric Research Labs (MERL), MA, USA. Source Code: http://www.cfar.umd.edu/~aagrawal. Overview.

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Analysis of Lighting Effects

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Analysis of Lighting Effects

581 views • 40 slides

3-D Computer Vision CSc 83029

3-D Computer Vision CSc 83029. Photometric Stereo & Shape from Shading. Photometric Stereo & Shape from Shading. Technique for recovering 3-D shape information from image intensity (brightness) We will discuss: Reflectance maps. Photometric stereo. Shape from shading.

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Computer Vision

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Reflectance Map: Photometric Stereo and Shape from Shading

Reflectance Map: Photometric Stereo and Shape from Shading. Image Brightness Radiometry Image Formation Bidirectional Reflectance Distribution Function Surface Orientation The Reflectance Map Shading in Images Photometric Stereo Shape from Shading. Introduction.

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Lecture 35: Photometric stereo

CS4670 / 5670 : Computer Vision. Noah Snavely. Lecture 35: Photometric stereo. Annoucements. Project 5 due on Friday at 11:59pm Pedestrian Detections Friday: review in-class Final exam: Monday, Dec 10, 9-11am Upson B-17. What happens when a light ray hits an object?.

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Basic Principles of Surface Reflectance Lecture #3

Basic Principles of Surface Reflectance Lecture #3. Thanks to Shree Nayar, Ravi Ramamoorthi, Pat Hanrahan. Shape from Shading. Photometric Stereo. Reflection Separation. Texture Modeling. Methods Relying on Surface Reflectance. Camera. Physical Models. Computer.

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Lecture 31: Photometric stereo

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Shadow Scanning [Bouguet 1999]

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Announcements

Announcements. Final is Thursday, March 20, 10:30-12:20pm EE 037 Sample final out today. Filtering. An image as a function Digital vs. continuous images Image transformation: range vs. domain Types of noise Noise reduction by averaging multiple images Cross-correlation and convolution

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Announcements

Announcements. Final is Thursday, March 18, 10:30-12:20 MGH 287 Sample final out today. Filtering. An image as a function Digital vs. continuous images Image transformation: range vs. domain Types of noise LSI filters cross-correlation and convolution properties of LSI filters

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Announcements

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Computer Vision CS 776 Spring 2014

Computer Vision CS 776 Spring 2014. Photometric Stereo and Illumination Cones Prof. Alex Berg (Slide credits to many folks on individual slides). Photometric Stereo and Illumination Cones. flickr.com / photos /38102718@N05/3800198895/. Photometric stereo (shape from shading).

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CSM4220: Fundamental Techniques for 3D Imaging and Analysis

CSM4220. CSM4220: Fundamental Techniques for 3D Imaging and Analysis. Shape From Shading and 3D Image Processing Dave Barnes, E49. 1. Topics Covered. Introduction Some 3D Data Visualisation Tools Geometric and Radiometric Camera Calibration Shape from Stereo Overview Shape from Shading

176 views • 3 slides