Illumination for computer generated pictures
Communications of the ACM
Proceedings of the 28th annual conference on Computer graphics and interactive techniques
A Novel Approach For Texture Shape Recovery
ICCV '03 Proceedings of the Ninth IEEE International Conference on Computer Vision - Volume 2
Efficiently combining positions and normals for precise 3D geometry
ACM SIGGRAPH 2005 Papers
Performance relighting and reflectance transformation with time-multiplexed illumination
ACM SIGGRAPH 2005 Papers
Building a digital model of Michelangelo's Florentine Pieta
IEEE Computer Graphics and Applications
VCLab''s tools for 3D range data processing
VAST'03 Proceedings of the 4th International conference on Virtual Reality, Archaeology and Intelligent Cultural Heritage
Digital reunification of the parthenon and its sculptures
VAST'03 Proceedings of the 4th International conference on Virtual Reality, Archaeology and Intelligent Cultural Heritage
VAST'03 Proceedings of the 4th International conference on Virtual Reality, Archaeology and Intelligent Cultural Heritage
Illustration of complex real-world objects using images with normals
Proceedings of the 5th international symposium on Non-photorealistic animation and rendering
Multiscale shape and detail enhancement from multi-light image collections
ACM SIGGRAPH 2007 papers
Journal on Computing and Cultural Heritage (JOCCH)
A new technique for the digitization and restoration of deteriorated photographic negatives
Journal on Image and Video Processing - Special issue on image and video processing for cultural heritage
Dynamic shading enhancement for reflectance transformation imaging
Journal on Computing and Cultural Heritage (JOCCH)
EVA'09 Proceedings of the 2009 international conference on Electronic Visualisation and the Arts
Reflectance transformation imaging systems for ancient documentary artefacts
EVA'11 Proceedings of the 2011 international conference on Electronic Visualisation and the Arts
Visualising an egyptian artefact in 3D: comparing RTI with laser scanning
EVA'11 Proceedings of the 2011 international conference on Electronic Visualisation and the Arts
On the use of computer vision for numismatic research
VAST'08 Proceedings of the 9th International conference on Virtual Reality, Archaeology and Cultural Heritage
High quality PTM acquisition: reflection transformation imaging for large objects
VAST'06 Proceedings of the 7th International conference on Virtual Reality, Archaeology and Intelligent Cultural Heritage
New reflection transformation imaging methods for rock art and multiple-viewpoint display
VAST'06 Proceedings of the 7th International conference on Virtual Reality, Archaeology and Intelligent Cultural Heritage
VAST'06 Proceedings of the 7th International conference on Virtual Reality, Archaeology and Intelligent Cultural Heritage
Automatic coin classification by image matching
VAST'11 Proceedings of the 12th International conference on Virtual Reality, Archaeology and Cultural Heritage
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Reflection transformation imaging offers a powerful new method of documenting and communicating numismatic cultural heritage information. The challenges of documenting numismatic material will be examined along with the limitations of traditional documentary techniques. Previous uses of structured light scanning and PTMs in numismatic documentation are reviewed and evaluated. A novel, low cost method for capturing PTMs at remote locations and subsequent data processing operations is described. Reflection transformation imaging is shown to capture more complete documentation than traditional photographic methods and communicate this information with ease through digital media. The advantages of interactive relighting of numismatic PTM images in conjunction with enhancement operations are explored along with the potential of informed choice of the most information rich illumination directions. Advantages of joint capture of structured light and PTMs are examined including the inherent registration of range and normal data, using range and normal information together to improve 3D position accuracy, and the enhanced evidentiary reliability that results.