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SIBGRAPI
2006
IEEE
15 years 4 months ago
Plausible Image Based Soft Shadows Using Occlusion Textures
This paper presents a novel image-based approach to render plausible soft shadows for complex dynamic scenes with rectangular light sources. The algorithm's performance is mo...
Elmar Eisemann, Xavier Décoret
TIT
2002
75views more  TIT 2002»
14 years 9 months ago
Iterative multiuser joint decoding: Unified framework and asymptotic analysis
We present a framework for iterative multiuser joint decoding of code-division multiple-access (CDMA) signals, based on the factor-graph representation and on the sum-product algor...
Joseph Boutros, Giuseppe Caire
KDD
2009
ACM
191views Data Mining» more  KDD 2009»
15 years 10 months ago
Efficient methods for topic model inference on streaming document collections
Topic models provide a powerful tool for analyzing large text collections by representing high dimensional data in a low dimensional subspace. Fitting a topic model given a set of...
Limin Yao, David M. Mimno, Andrew McCallum
ICCV
2009
IEEE
16 years 3 months ago
Patch based Within-Object Classification
Advances in object detection have made it possible to collect large databases of certain objects. In this paper we exploit these datasets for within-object classification. For e...
Jania Aghajanian, Jonathan Warrell, Simon J.D. Pri...
EUROCRYPT
1999
Springer
15 years 2 months ago
An Analysis of Exponentiation Based on Formal Languages
A recoding rule for exponentiation is a method for reducing the cost of the exponentiation ae by reducing the number of required multiplications. If w(e) is the (hamming) weight of...
Luke O'Connor