Comprehensible rendering of 3-D shapes
SIGGRAPH '90 Proceedings of the 17th annual conference on Computer graphics and interactive techniques
Generalization of Lambert's reflectance model
SIGGRAPH '94 Proceedings of the 21st annual conference on Computer graphics and interactive techniques
A non-photorealistic lighting model for automatic technical illustration
Proceedings of the 25th annual conference on Computer graphics and interactive techniques
Interactive technical illustration
I3D '99 Proceedings of the 1999 symposium on Interactive 3D graphics
Line direction matters: an argument for the use of principal directions in 3D line drawings
NPAR '00 Proceedings of the 1st international symposium on Non-photorealistic animation and rendering
Proceedings of the 28th annual conference on Computer graphics and interactive techniques
Enhancing Transparent Skin Surfaces with Ridge and Valley Lines
VIS '95 Proceedings of the 6th conference on Visualization '95
A Developer's Guide to Silhouette Algorithms for Polygonal Models
IEEE Computer Graphics and Applications
Suggestive contours for conveying shape
ACM SIGGRAPH 2003 Papers
Ridge-valley lines on meshes via implicit surface fitting
ACM SIGGRAPH 2004 Papers
Estimating Curvatures and Their Derivatives on Triangle Meshes
3DPVT '04 Proceedings of the 3D Data Processing, Visualization, and Transmission, 2nd International Symposium
Curvature-Based Transfer Functions for Direct Volume Rendering: Methods and Applications
Proceedings of the 14th IEEE Visualization 2003 (VIS'03)
Non-photorealistic rendering in context: an observational study
Proceedings of the 4th international symposium on Non-photorealistic animation and rendering
Exaggerated shading for depicting shape and detail
ACM SIGGRAPH 2006 Papers
Highlight lines for conveying shape
Proceedings of the 5th international symposium on Non-photorealistic animation and rendering
Illustration of complex real-world objects using images with normals
Proceedings of the 5th international symposium on Non-photorealistic animation and rendering
Apparent ridges for line drawing
ACM SIGGRAPH 2007 papers
Digital bas-relief from 3D scenes
ACM SIGGRAPH 2007 papers
Robust statistical estimation of curvature on discretized surfaces
SGP '07 Proceedings of the fifth Eurographics symposium on Geometry processing
ACM SIGGRAPH 2008 papers
Apparent relief: a shape descriptor for stylized shading
NPAR '08 Proceedings of the 6th international symposium on Non-photorealistic animation and rendering
The assumed light direction for perceiving shape from shading
Proceedings of the 5th symposium on Applied perception in graphics and visualization
Demarcating curves for shape illustration
ACM SIGGRAPH Asia 2008 papers
Surveying and mapping caves by using 3d digital technologies
VSMM'06 Proceedings of the 12th international conference on Interactive Technologies and Sociotechnical Systems
Combining silhouettes, surface, and volume rendering for surgery education and planning
EUROVIS'05 Proceedings of the Seventh Joint Eurographics / IEEE VGTC conference on Visualization
Machine learning based typology development in archaeology
Journal on Computing and Cultural Heritage (JOCCH)
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For scientific archaeological illustrations, pen-and-ink drawings are traditionally the most prevalent type. Over the years, drawing styles have substantially changed several times and even today there is basically no general agreement about how to illustrate objects best. Without doubt, this is one major reason why most computergenerated line drawings are still recognized as such, although non-photorealistic rendering has made significant advances during the past decade. With a special focus on cultural heritage objects and the theoretical and practical restrictions of current NPR techniques on scanned range data, we discuss the question if line drawings could generally be replaced by a detail-shaded view, which highlights relevant features, but still conveys an objective plastic impression as well.