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WSCG
2003
154views more  WSCG 2003»
15 years 7 months ago
Direction Fields over Point-Sampled Geometry
We describe techniques to establish local frames over point-sampled manifold surfaces. The tangential alignment of local frames is determined using a wave front algorithm starting...
Marc Alexa, Tobias Klug, Carsten Stoll
CRYPTO
2005
Springer
127views Cryptology» more  CRYPTO 2005»
15 years 11 months ago
Black-Box Secret Sharing from Primitive Sets in Algebraic Number Fields
A black-box secret sharing scheme (BBSSS) for a given access structure works in exactly the same way over any finite Abelian group, as it only requires black-box access to group o...
Ronald Cramer, Serge Fehr, Martijn Stam
160
Voted
CVPR
2004
IEEE
16 years 7 months ago
Shaping Receptive Fields for Affine Invariance
The Gaussian kernel has played a central role in multi-scale methods for feature extraction and matching. In this paper, a method for shaping the filter using the local image stru...
S. Ravela
ICPR
2006
IEEE
15 years 11 months ago
Extending the Depth of Field in a Compound-Eye Imaging System with Super-Resolution Reconstruction
Optical device miniaturization is highly desirable in many applications. Direct down-scaling of traditional imaging system is one approach, but the extent to which it can be minim...
Wai-San Chan, Edmund Y. Lam, Michael K. Ng
SETA
2004
Springer
126views Mathematics» more  SETA 2004»
15 years 11 months ago
Algebraic Feedback Shift Registers Based on Function Fields
We study algebraic feedback shift registers (AFSRs) based on quotients of polynomial rings in several variables over a finite field. These registers are natural generalizations o...
Andrew Klapper