931 search results - page 57 / 187 » Second order image statistics in computer graphics |
134
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ISBI
2006
IEEE
16 years 9 days ago
2006
IEEE
We compare various popular methods available for projection and backprojection in CT. Assuming linear rays and a simple density integration along them, we consider both line- and ...
195
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SIGGRAPH
1996
ACM
15 years 10 months ago
1996
ACM
We present a new approach for modeling and rendering existing architectural scenes from a sparse set of still photographs. Our modeling approach, which combines both geometry-base...
206
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ECCV
2008
Springer
16 years 8 months ago
2008
Springer
In this paper, we propose a method for extracting image features which utilizes 2 nd order statistics, i.e., spatial and orientational auto-correlations of local gradients. It enab...
184
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SIBGRAPI
2003
IEEE
15 years 11 months ago
2003
IEEE
Abstract. Authentication watermarking is a hidden data inserted into an image, in order to detect any alterations. It seems to be almost impossible to design a really secure authen...
167
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SIGGRAPH
1997
ACM
15 years 10 months ago
1997
ACM
This paper describes the various artistic effects of watercolor and shows how they can be simulated automatically. Our watercolor model is based on an ordered set of translucent g...