780 search results - page 69 / 156 » Inverse Probleme |
CTRSA
2007
Springer
14 years 4 months ago
2007
Springer
In 2002, Micali and Rivest raised an open problem as to whether directed transitive signatures exist or not. In 2003, Hohenberger formalized the necessary mathematical criteria for...
FUIN
2010
13 years 8 months ago
2010
Abstract. A (combinatorial) channel consists of pairs of words representing all possible inputoutput channel situations. In a past paper, we formalized the intuitive concept of “...
FOCS
1998
IEEE
14 years 2 months ago
1998
IEEE
We show that approximating the shortest vector problem (in any p norm) to within any constant factor less than p 2 is hard for NP under reverse unfaithful random reductions with i...
ICASSP
2011
IEEE
13 years 1 months ago
2011
IEEE
This paper concerns the reconstruction of a temporally-varying scene from a video sequence of noisy linear projections. Assuming that each video frame is sparse or compressible in...
MICCAI
2002
Springer
14 years 11 months ago
2002
Springer
We propose a general approach to the reconstruction of brain white matter geometry from diffusion-weighted data. This approach is based on an inverse problem framework. The optimal...