Robot vision
Integrability disambiguates surface recovery in two-image photometric stereo
International Journal of Computer Vision
A Theory of Photometric Stereo for a Class of Diffuse Non-Lambertian Surfaces
IEEE Transactions on Pattern Analysis and Machine Intelligence
Depth and shape from shading using the photometric stereo method
CVGIP: Image Understanding
Shape and motion from image streams under orthography: a factorization method
International Journal of Computer Vision
Geometric computation for machine vision
Geometric computation for machine vision
Computer Vision and Image Understanding
Surface curvature and shape reconstruction from unknown multiple illumination and integrability
Computer Vision and Image Understanding - Special issue on physics-based modeling and reasoning in computer vision
On Photometric Issues in 3D Visual Recognition from aSingle 2D Image
International Journal of Computer Vision
The Generic Bilinear Calibration-Estimation Problem
International Journal of Computer Vision
In Defense of the Eight-Point Algorithm
IEEE Transactions on Pattern Analysis and Machine Intelligence
What Is the Set of Images of an Object Under All Possible Illumination Conditions?
International Journal of Computer Vision
International Journal of Computer Vision
International Journal of Computer Vision
Computer Vision and Image Understanding
Linear fitting with missing data for structure-from-motion
Computer Vision and Image Understanding
The Radiometry of Multiple Images
IEEE Transactions on Pattern Analysis and Machine Intelligence
Principal Component Analysis with Missing Data and Its Application to Polyhedral Object Modeling
IEEE Transactions on Pattern Analysis and Machine Intelligence
IEEE Transactions on Pattern Analysis and Machine Intelligence
Lambertian Reflectance and Linear Subspaces
IEEE Transactions on Pattern Analysis and Machine Intelligence
Comparing Images under Variable Illumination
CVPR '98 Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition
Recovering 3-D shape and reflectance from a small number of photographs
EGRW '03 Proceedings of the 14th Eurographics workshop on Rendering
Photometric Stereo: Lambertian Reflectance and Light Sources with Unknown Direction and Strength
Photometric Stereo: Lambertian Reflectance and Light Sources with Unknown Direction and Strength
ICCV '03 Proceedings of the Ninth IEEE International Conference on Computer Vision - Volume 2
Incorporating the Torrance and Sparrow Model of Reflectance in Uncalibrated Photometric Stereo
ICCV '03 Proceedings of the Ninth IEEE International Conference on Computer Vision - Volume 2
Dense Shape Reconstruction of a Moving Object under Arbitrary, Unknown Lighting
ICCV '03 Proceedings of the Ninth IEEE International Conference on Computer Vision - Volume 2
Example-Based Photometric Stereo: Shape Reconstruction with General, Varying BRDFs
IEEE Transactions on Pattern Analysis and Machine Intelligence
IEEE Transactions on Pattern Analysis and Machine Intelligence
Principal Component Analysis over Continuous Subspaces and Intersection of Half-Spaces
ECCV '02 Proceedings of the 7th European Conference on Computer Vision-Part III
Digital inspection: an interactive stage for viewing surface details
Proceedings of the 2008 symposium on Interactive 3D graphics and games
Recovery of Surface Normals and Reflectance from Different Lighting Conditions
ICIAR '08 Proceedings of the 5th international conference on Image Analysis and Recognition
EURASIP Journal on Advances in Signal Processing
Image Matching with Spatially Variant Contrast and Offset: A Quadratic Programming Approach
SSPR & SPR '08 Proceedings of the 2008 Joint IAPR International Workshop on Structural, Syntactic, and Statistical Pattern Recognition
A methodology for rapid illumination-invariant face recognition using image processing filters
Computer Vision and Image Understanding
A Convex Approach to Low Rank Matrix Approximation with Missing Data
SCIA '09 Proceedings of the 16th Scandinavian Conference on Image Analysis
Integrating the Normal Field of a Surface in the Presence of Discontinuities
EMMCVPR '09 Proceedings of the 7th International Conference on Energy Minimization Methods in Computer Vision and Pattern Recognition
Median Photometric Stereo as Applied to the Segonko Tumulus and Museum Objects
International Journal of Computer Vision
Model-based shape recovery from single images of general and unknown lighting
ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
Calibration and segmentation free 3D modelling from images based on GPU
International Journal of Computer Applications in Technology
Shape-based image segmentation through photometric stereo
Computer Vision and Image Understanding
Visibility subspaces: uncalibrated photometric stereo with shadows
ECCV'10 Proceedings of the 11th European conference on Computer vision: Part II
ECCV'10 Proceedings of the 11th European conference on Computer vision: Part II
Bilinear factorization via augmented lagrange multipliers
ECCV'10 Proceedings of the 11th European conference on Computer vision: Part IV
Free-form polarized spherical illumination reflectometry
ACM SIGGRAPH ASIA 2010 Sketches
DECHO—a framework for the digital exploration of cultural heritage objects
Journal on Computing and Cultural Heritage (JOCCH)
Photometric stereo under low frequency environment illumination
ISVC'10 Proceedings of the 6th international conference on Advances in visual computing - Volume Part II
Eigen-harmonics faces: face recognition under generic lighting
FGR' 04 Proceedings of the Sixth IEEE international conference on Automatic face and gesture recognition
Microgeometry capture using an elastomeric sensor
ACM SIGGRAPH 2011 papers
Structure from motion and photometric stereo for dense 3D shape recovery
ICIAP'11 Proceedings of the 16th international conference on Image analysis and processing: Part I
Self-calibrated, Multi-spectral Photometric Stereo for 3D Face Capture
International Journal of Computer Vision
Estimating the Natural Illumination Conditions from a Single Outdoor Image
International Journal of Computer Vision
A New TV-Stokes Model with Augmented Lagrangian Method for Image Denoising and Deconvolution
Journal of Scientific Computing
Coherent Spatiotemporal Filtering, Upsampling and Rendering of RGBZ Videos
Computer Graphics Forum
Lightweight binocular facial performance capture under uncontrolled lighting
ACM Transactions on Graphics (TOG) - Proceedings of ACM SIGGRAPH Asia 2012
Shape and reflectance from natural illumination
ECCV'12 Proceedings of the 12th European conference on Computer Vision - Volume Part I
The Ngongotaha river UDPS experiment: low-cost underwater dynamic stereo photogrammetry
Proceedings of the 27th Conference on Image and Vision Computing New Zealand
Free-viewpoint video rendering for mobile devices
Proceedings of the 6th International Conference on Computer Vision / Computer Graphics Collaboration Techniques and Applications
Two-Image perspective photometric stereo using shape-from-shading
ACCV'12 Proceedings of the 11th Asian conference on Computer Vision - Volume Part IV
Adaptive Non-rigid Registration and Structure from Motion from Image Trajectories
International Journal of Computer Vision
Robust 3D face capture using example-based photometric stereo
Computers in Industry
Evaluating the effect of diffuse light on photometric stereo reconstruction
Machine Vision and Applications
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Work on photometric stereo has shown how to recover the shape and reflectance properties of an object using multiple images taken with a fixed viewpoint and variable lighting conditions. This work has primarily relied on known lighting conditions or the presence of a single point source of light in each image. In this paper we show how to perform photometric stereo assuming that all lights in a scene are distant from the object but otherwise unconstrained. Lighting in each image may be an unknown and may include arbitrary combination of diffuse, point and extended sources. Our work is based on recent results showing that for Lambertian objects, general lighting conditions can be represented using low order spherical harmonics. Using this representation we can recover shape by performing a simple optimization in a low-dimensional space. We also analyze the shape ambiguities that arise in such a representation. We demonstrate our method by reconstructing the shape of objects from images obtained under a variety of lightings. We further compare the reconstructed shapes against shapes obtained with a laser scanner.