New and improved Johnson–Lindenstrauss embeddings via the restricted isometry property
Consider an m*N matrix Φ with the restricted isometry property of order k and level δ; that is,
the norm of any k-sparse vector in R^N is preserved to within a multiplicative factor of 1±δ …
the norm of any k-sparse vector in R^N is preserved to within a multiplicative factor of 1±δ …
Compressed sensing with cross validation
R Ward - IEEE Transactions on Information Theory, 2009 - ieeexplore.ieee.org
Compressed sensing (CS) decoding algorithms can efficiently recover an N-dimensional
real-valued vector x to within a factor of its best k-term approximation by taking m= O …
real-valued vector x to within a factor of its best k-term approximation by taking m= O …
Isometric sketching of any set via the restricted isometry property
In this paper we show that for the purposes of dimensionality reduction certain class of
structured random matrices behave similarly to random Gaussian matrices. This class …
structured random matrices behave similarly to random Gaussian matrices. This class …
An introduction to Johnson-Lindenstrauss transforms
CB Freksen - arxiv preprint arxiv:2103.00564, 2021 - arxiv.org
Johnson--Lindenstrauss Transforms are powerful tools for reducing the dimensionality of
data while preserving key characteristics of that data, and they have found use in many …
data while preserving key characteristics of that data, and they have found use in many …
The fast johnson-lindenstrauss transform is even faster
Abstract The Johnson-Lindenstaruss lemma (Johnson & Lindenstrauss, 1984) is a
cornerstone result in dimensionality reduction, stating it is possible to embed a set of $ n …
cornerstone result in dimensionality reduction, stating it is possible to embed a set of $ n …
[HTML][HTML] Survey on compressed sensing over the past two decades
Compressed Sensing (CS) is a novel data acquisition theorem exploiting the signals
sparsity differing from traditional Nyquist theorem in the ability of obtaining all information of …
sparsity differing from traditional Nyquist theorem in the ability of obtaining all information of …
Correlation estimation from compressed images
This paper addresses the problem of correlation estimation in sets of compressed images.
We consider a framework where the images are represented under the form of linear …
We consider a framework where the images are represented under the form of linear …
Research into the dynamic development trend of the competitiveness of China's regional construction industry
B Liu, X Wang, C Chen, Z Ma - KSCE Journal of Civil Engineering, 2014 - Springer
Abstract The Communist Party of China proposed the concept of “speeding up the industrial
transformation and changing economic development mode” in its 17 th Congress. Against …
transformation and changing economic development mode” in its 17 th Congress. Against …
Comparison of data reduction techniques based on the performance of SVM-type classifiers
In this work, we applied several techniques for data reduction to publicly available datasets
with the goal of comparing how an increasing level of compression affects the performance …
with the goal of comparing how an increasing level of compression affects the performance …
A scalable unsupervised feature merging approach to efficient dimensionality reduction of high-dimensional visual data
To achieve a good trade-off between recognition accuracy and computational efficiency, it is
often needed to reduce high-dimensional visual data to medium-dimensional ones. For this …
often needed to reduce high-dimensional visual data to medium-dimensional ones. For this …