Mesostructure from specularity using gradient illumination
PROCAMS '08 Proceedings of the 5th ACM/IEEE International Workshop on Projector camera systems
Principles of appearance acquisition and representation
ACM SIGGRAPH 2008 classes
A photometric approach for estimating normals and tangents
ACM SIGGRAPH Asia 2008 papers
Data-driven diffuse-specular separation of spherical gradient illumination
SIGGRAPH '09: Posters
Principles of Appearance Acquisition and Representation
Foundations and Trends® in Computer Graphics and Vision
Joint Estimation of Shape and Reflectance using Multiple Images with Known Illumination Conditions
International Journal of Computer Vision
International Journal of Computer Vision
Real-time specular highlight removal using bilateral filtering
ECCV'10 Proceedings of the 11th European conference on Computer vision: Part IV
Photometric stereo from maximum feasible Lambertian reflections
ECCV'10 Proceedings of the 11th European conference on Computer vision: Part IV
Towards full 3D Helmholtz stereovision algorithms
ACCV'10 Proceedings of the 10th Asian conference on Computer vision - Volume Part I
Specularity removal in images and videos: a PDE approach
ECCV'06 Proceedings of the 9th European conference on Computer Vision - Volume Part I
Correspondence search in the presence of specular highlights using specular-free two-band images
ACCV'06 Proceedings of the 7th Asian conference on Computer Vision - Volume Part II
Fast high-resolution appearance editing using superimposed projections
ACM Transactions on Graphics (TOG)
Surface reflectance and normal estimation from photometric stereo
Computer Vision and Image Understanding
Estimating specular roughness and anisotropy from second order spherical gradient illumination
EGSR'09 Proceedings of the Twentieth Eurographics conference on Rendering
Rapid acquisition of specular and diffuse normal maps from polarized spherical gradient illumination
EGSR'07 Proceedings of the 18th Eurographics conference on Rendering Techniques
Surface enhancement using real-time photometric stereo and reflectance transformation
EGSR'06 Proceedings of the 17th Eurographics conference on Rendering Techniques
A new projection space for separation of specular-diffuse reflection components in color images
ACCV'12 Proceedings of the 11th Asian conference on Computer Vision - Volume Part IV
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We present a photometric stereo method for non-diffuse materials that does not require an explicit reflectance model or reference object. By computing a data-dependent rotation of RGB color space, we show that the specular reflection effects can be separated from the much simpler, diffuse (approximately Lambertian) reflection effects for surfaces that can be modeled with dichromatic reflectance. Images in this transformed color space are used to obtain photometric reconstructions that are independent of the specular reflectance. In contrast to other methods for highlight removal based on dichromatic color separation (e.g., color histogram analysis and/or polarization), we do not explicitly recover the specular and diffuse components of an image. Instead, we simply find a transformation of color space that yields more direct access to shape information. The method is purely local and is able to handle surfaces with arbitrary texture.