Acquiring the reflectance field of a human face
Proceedings of the 27th annual conference on Computer graphics and interactive techniques
Proceedings of the 28th annual conference on Computer graphics and interactive techniques
Interactive digital photomontage
ACM SIGGRAPH 2004 Papers
Comparative Study of Unsharp Masking Methods for Image Enhancement
ICIG '04 Proceedings of the Third International Conference on Image and Graphics
Performance relighting and reflectance transformation with time-multiplexed illumination
ACM SIGGRAPH 2005 Papers
Digital Image Processing (3rd Edition)
Digital Image Processing (3rd Edition)
Conveying Shape and Features with Image-Based Relighting
Proceedings of the 14th IEEE Visualization 2003 (VIS'03)
Exaggerated shading for depicting shape and detail
ACM SIGGRAPH 2006 Papers
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
3D unsharp masking for scene coherent enhancement
ACM SIGGRAPH 2008 papers
Light warping for enhanced surface depiction
ACM SIGGRAPH 2009 papers
Surface enhancement using real-time photometric stereo and reflectance transformation
EGSR'06 Proceedings of the 17th Eurographics conference on Rendering Techniques
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'05 Proceedings of the 6th International conference on Virtual Reality, Archaeology and Intelligent Cultural Heritage
Integrated high-quality acquisition of geometry and appearance for cultural heritage
VAST'11 Proceedings of the 12th International conference on Virtual Reality, Archaeology and Cultural Heritage
Integration of 3D and multispectral data for cultural heritage applications: Survey and perspectives
Image and Vision Computing
Hyper3D: 3D graphics software for examining cultural artifacts
Journal on Computing and Cultural Heritage (JOCCH)
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We propose a set of dynamic shading enhancement techniques for improving the perception of details, features, and overall shape characteristics from images created with Reflectance Transformation Imaging (RTI) techniques. Selection of these perceptual enhancement filters can significantly improve the user's ability to interactively inspect the content of 2D RTI media by zooming, panning, and changing the illumination direction. In particular, we present two groups of strategies for RTI image enhancement based on two main ideas: exploiting the unsharp masking methodology in the RTI-specific context; and locally optimizing the incident light direction for improved RTI image sharpness and illumination of surface features. The Result section will present a number of datasets and compare them with existing techniques.