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Future work Shadow silhouette maps store scalar depth values at the corner samples, our silhouette map textures store store RGB values One can imagine storing other coefficients to yield better texture reconstruction and allow the “mid-range” frequencies to be captured more faithfully This might be compared with more general image compression algorithms Graphics Hardware 2004 Pradeep Sen
Conclusions We have extended the shadow silhouette map algorithm to handle more general textures We apply a discontinuity-preserving filter kernel to complex textures This technique is fast and can be used anywhere textures are normally used: texture mapping, alpha billboarding, shader control Graphics Hardware 2004 Pradeep Sen
Page 1 and 2:
Silhouette Maps for Improved Textur
Page 3 and 4:
A history of texture magnification
Page 5 and 6:
A history of texture magnification
Page 7 and 8: Contributions Applied the silhouet
Page 9 and 10: Previous work in texture magnificat
Page 11 and 12: Concurrent work Presented at Render
Page 13 and 14: The silhouette map Introduced in S
Page 15 and 16: Silhouette map texture algorithm Du
Page 25 and 26: Initial results Pre-filtered textur
Page 27 and 28: Controlling shaders Example of usin
Page 29 and 30: Problem with “natural” images
Page 31 and 32: Additional info needed in silmap To
Page 39 and 40: Six different interpolation cases D
Page 41 and 42: Bilinear interpolation as filter ba
Page 43 and 44: Bilinear interpolation as filter ba
Page 45 and 46: Implementation of Filtering Thus, w
Page 47 and 48: Minifying silhouette map textures
Page 49 and 50: Creation of silmap textures Two way
Page 51 and 52: Silmap samples from hi-res texture
Page 53 and 54: Benefits of silhouette map textures
Page 55 and 56: Comparison: Feature-based textures
Page 57: Why does it look like a cartoon? f
Page 61: Questions? Graphics Hardware 2004 P
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