Stable Sparse Subspace Embedding for Dimensionality Reduction

@article{Chen2020StableSS,
  title={Stable Sparse Subspace Embedding for Dimensionality Reduction},
  author={Li Chen and Shuizheng Zhou and Jiajun Ma},
  journal={Knowl. Based Syst.},
  year={2020},
  volume={195},
  pages={105639}
}
  • Li Chen, Shuizheng Zhou, Jiajun Ma
  • Published 2020
  • Computer Science, Mathematics
  • Knowl. Based Syst.
  • Abstract Sparse random projection (RP) is a popular tool for dimensionality reduction that shows promising performance with low computational complexity. However, in the existing sparse RP matrices, the positions of non-zero entries are usually randomly selected. Although they adopt uniform sampling with replacement, due to large sampling variance, the number of non-zeros is uneven among rows of the projection matrix which is generated in one trial, and more data information may be lost after… CONTINUE READING

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