Non-Photorealistic Rendering (NPR)people.uncw.edu/.../pdfs/Micro-NPR.pdf · Non-Photorealistic...
Transcript of Non-Photorealistic Rendering (NPR)people.uncw.edu/.../pdfs/Micro-NPR.pdf · Non-Photorealistic...
Non-Photorealistic Rendering (NPR)
1. NPR and Computer Graphics (CG)
2. What is NPR?
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Computer Graphics
Photorealism
Can You Draw A Fish?
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Non-Photorealistic Rendering (NPR)
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Escaping Criticism (1874) by Pere Borrell de Caso
Portrait of Dr. Gachet (1890) by Vincent van Gogh
By Barbara Keith
By an Flickr.com artist
CG and NPR
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Questions
• Which graph is correct?
• Which is more difficult in implementation?
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CG NPR A
CG NPR B
CG NPR
C
Three Research Categories
• Artistic media – Watercolor – Pencil – Oil painting
• Software tools – Tools like Photoshop, Corel, GIMP…
• Artistic styles
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Topics Covered
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Oil Painting
Stippling
Engraving
Illustration
Watercolor Painterly
Cartoon
Where to start?
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3D Models or Volume Data Videos
Images Sketching From scratch
Resources • Books
– Non-Photorealistic Rendering (2001) by Gooch & Gooch. A.K. Peters Ltd, Publishers
– Non-Photorealistic Computer Graphics: Modeling, Rendering, and Animation (2002) by Thomas Strothotte and Stefan Schlechtweg. Morgan Kaufmann Publishers
– The Algorithms and Principles of Non-photorealistic Graphics: Artistic Rendering and Cartoon Animation by Weidong Geng. Springer; 1st Edition. edition, 2008.
• Useful links – http://www.red3d.com/cwr/npr/ – http://www.cs.utah.edu/npr/
• Conferences – Computational Aesthetics – Sketch-based Interfaces and Modeling – Non-Photorealistic Animation and Rendering
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