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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Building private information retrieval schemes over binary fields
二进制字段 私有信息 检索方案
2023/4/21
The private information retrieval (PIR) problem was first proposed by Chor et al. in 1995, and it is a canonical problem in the study of privacy issues that arise from the retrieval of information fro...
Two years have passed since the first workshop on Light Fields for Computer Vision at ECCV 2014, during which the field has advanced substantially. There have been breakthroughs in the differential th...
Structure Slicing: Extending Logical Regions with Fields
Structure Slicing Extending Logical Regions Fields
2016/5/24
Applications on modern supercomputers are increasingly limited by the cost of data movement, but mainstream programming systems have few abstractions for describing the structure of a program’s data. ...
A two-layer sparse coding model learns simple and complex cell receptive fields and topography from natural images
Independent component analysis Natural images Neural networks Spatial vision
2015/8/10
The classical receptive fields of simple cells in the visual cortex have been shown to emerge from the statistical properties of natural images by forcing the cell responses to be maximally sparse, i....
Linearly homomorphic signatures over binary fields and new tools for lattice-based signatures
binary fields lattice-based signatures
2015/8/5
Our scheme can be used to authenticate linear transformations of signed data, such as those arising when computing mean and least squares fit or in networks that use network coding. Our construction g...
On the analysis and interpretation of inhomogeneous quadratic forms as receptive fields
Quadratic forms receptive fields nonlinear analysis visualization
2015/7/31
In this paper we introduce some mathematical and numerical tools to analyze and interpret inhomogeneous quadratic forms. The resulting characterization is in some aspects similar to that given by expe...
On the calculation of available potential energy in internal wave fields
available potential energy internal wave fields
2015/6/30
A comparison of three common formulations for calculating the available potential energy (APE) in internal wave fields is presented, namely the perturbation APE, APE1, the exact local APE, APE2, and i...
A Conversational Movie Search System Based on Conditional Random Fields
conditional random fields spoken dialogue system
2014/11/27
Online streaming companies such as Netflix have become dominant in the media distribution sector. However, such media delivery services often support very rudimentary search, especially for natural la...
Subset Selection for Gaussian Markov Random Fields
Subset Selection Gaussian Markov Random Fields
2012/11/26
Given a Gaussian Markov random field, we consider the problem of selecting a subset of variables to observe which minimizes the total expected squared prediction error of the unobserved variables. We ...