Random Projections
Sign-Full Random Projections
... via random projections and then only the signs of the projected data points are stored ...apply random projections but we do not necessarily need to quantize the projected data ...sign-full ...
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High-dimensional Variable Selection with Sparse Random Projections: Measurement Sparsity and Statistical Efficiency
... of random projections, as characterized by the Johnson-Lindenstrauss lemma (Johnson and Linden- strauss, 1984; Dasgupta and Gupta, ...2003). Random projections and their applications have been ...
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Retrieval of Large Scale Images and Camera Identification via Random Projections
... In this paper, a novel technique is propose to reduce the size of camera fingerprints based on random projections. The technique is motivated by the Johnson- Lindenstrauss (JL) lemma [4], stating that a ...
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Rate Adaptation for Decoding and Forward Relay Channel by Random Projections Codes
... This paper investigates rate adaptation schemes for decoding-and-forward (DF) relay system based on random projections codes (RPC). We consider a classic three node relay system model, where relay node ...
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Adaptive sparse random projections for wireless sensor networks with energy harvesting constraints
... sparse random matrix with entries that have a prob- ability g of being nonzero, so that on average there are ng nonzeros per ...of random projections impacts the accuracy of signal ...sparse ...
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Nonlinear Estimators and Tail Bounds for Dimension Reduction in l1 Using Cauchy Random Projections
... (stable) random projections is an appealing paradigm for applica- tions involving massive, high-dimensional, non-sparse, and heavy-tailed ...Conditional Random Sampling (CRS) (Li and Church, 2005, ...
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A new hierarchical method for inter-patient heartbeat classification using random projections and RR intervals
... the random matrix, feature extraction is unstable, but this characteristic was used to construct component classifiers and implement ensemble ...of random projections and RR intervals, and the class ...
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Dimension-Free Error Bounds from Random Projections
... dimensional random projections of the ...the random projection of the inputs – therefore, due to the structure-preserving property of random projections, this term may be low when the ...
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Linear Regression With Random Projections
... the random space has been generated, we simply solve a least squares estimate in a low-dimensional ...performing random projections (which can be computed efficiently for several choices of the ...
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Random Projections, Graph Sparsification, and Differential Privacy
... For both the sparsifier, we prove that if the graph has high enough conductance, then the probability distribution on edges with which the sparsification algorithm picks an edge does not[r] ...
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Estimating view parameters from random projections for Tomography using spherical MDS
... of projections from different view angles are identical to each ...the projections with different view angles because the projec- tion data themselves are not distinguishable, even though they are obtained ...
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Random Indexing Re Hashed
... dom projections, HRI defines random projections in terms of hash functions over ...the random “hash vectors” are linear, Van Durme and Lall (2010) replace the dot products with individ- ual ...
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Adaptive Randomized Dimension Reduction on Massive Data
... of random projection was first developed as a proof technique to study the distortion in- duced by the low dimensional embedding of high-dimensional vectors (Johnson and Lindenstrauss, 1984), with much literature ...
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A Study on the Impact of Ethical Behaviour of Firms on Global Competitiveness Ranking
... of random projections matrices are controlled so as to preserve the pair wise distances between any two samples of the ...behind random projection is if points in a vector space are in sufficient ...
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Geometry of Anamorphic Projections
... anamorphic projections from 464BC to till today was briefly presented along with the ...anamorphic projections’ geometry and image distortion from various positions were also ...
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Projected Warming and Occurrence of Meteorological Droughts—Insights from the Coasts of South India
... [11] Meehl, G.A., Stocker, T.F., Collins, W.D., Friedlingstein, P., Gaye, A.T., Gregory, J.M., Kitoh, A., Knutti, R., Murphy, J.M., Noda, A., Raper, S.C.B., Watterson, I.G., Weaver, A.J. and Zhao, Z.-C. (2007) Global ...
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Optimal Policy Projections
... bank’s projections of the future ...and projections. Projections and monetary policy decisions cannot rely on models and simple observable data ...
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On the Generality of Orthogonal Projections and e Projections in Banach Algebras
... In this paper we develop the orthogonal projections and e-projections in Banach algebras. We prove some necessary and sufficient conditions for them and their spectrums. We also show that the sum of two ...
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Population projections
... The principle of specifying emigration figures for future periods has" been criticised on the grounds that emigration is not something that can be directly determined by policy decisions[r] ...
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Private Projections & Variants
... characteristic functions in a lossy manner, by choosing a random 2-universal hash-function h : U → [1, . . . , N] (for appropriately chosen N) [5] and applying it to the sets. We then check whether h(A) ∩ h(B) 6= ...
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