Optimal compression of approximate inner products and dimension reduction

N Alon, B Klartag - 2017 IEEE 58th Annual Symposium on …, 2017 - ieeexplore.ieee.org
Let X be a set of n points of norm at most 1 in the Euclidean space R^ k, and suppose≥ 0.
An≥-distance sketch for X is a data structure that, given any two points of X enables one to …

Sub-linear memory sketches for near neighbor search on streaming data

B Coleman, R Baraniuk… - … Conference on Machine …, 2020 - proceedings.mlr.press
We present the first sublinear memory sketch that can be queried to find the nearest
neighbors in a dataset. Our online sketching algorithm compresses an N element dataset to …

Optimal (Euclidean) metric compression

P Indyk, T Wagner - SIAM Journal on Computing, 2022 - SIAM
We study the problem of representing all distances between n points in \mathbbR^d, with
arbitrarily small distortion, using as few bits as possible. We give asymptotically tight bounds …

Student attendance control system with face recognition based on neural network

AY Strueva, EV Ivanova - 2021 International Russian …, 2021 - ieeexplore.ieee.org
In this research we implement a system to monitor student attendance at South Ural State
University. Our system is based on the automatic recognition of students' faces using neural …

Approximate nearest neighbors in limited space

P Indyk, T Wagner - Conference On Learning Theory, 2018 - proceedings.mlr.press
Abstract We consider the $(1+\epsilon) $-approximate nearest neighbor search problem:
given a set $ X $ of $ n $ points in a $ d $-dimensional space, build a data structure that …

Practical data-dependent metric compression with provable guarantees

P Indyk, I Razenshteyn… - Advances in Neural …, 2017 - proceedings.neurips.cc
We introduce a new distance-preserving compact representation of multi-dimensional point-
sets. Given n points in a d-dimensional space where each coordinate is represented using B …

Near-optimal compression for the planar graph metric

A Abboud, P Gawrychowski, S Mozes… - Proceedings of the Twenty …, 2018 - SIAM
Abstract The Planar Graph Metric Compression Problem is to compactly encode the
distances among k nodes in a planar graph of size n. Two naïve solutions are to store the …

Similarity search for dynamic data streams

M Bury, C Schwiegelshohn… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Nearest neighbor searching systems are an integral part of many online applications,
including but not limited to pattern recognition, plagiarism detection, and recommender …

Euclidean distance compression via deep random features

B Leroux, L Rademacher - arxiv preprint arxiv:2403.01327, 2024 - arxiv.org
Motivated by the problem of compressing point sets into as few bits as possible while
maintaining information about approximate distances between points, we construct random …

Fast metric embedding into the Hamming cube

S Dirksen, S Mendelson, A Stollenwerk - SIAM Journal on Computing, 2024 - SIAM
We consider the problem of embedding a subset of into a low-dimensional Hamming cube
in an almost isometric way. We construct a simple, data-oblivious, and computationally …