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Laplace-HDC: Understanding the geometry of binary hyperdimensional computing
April 17, 2024, 4:42 a.m. | Saeid Pourmand, Wyatt D. Whiting, Alireza Aghasi, Nicholas F. Marshall
cs.LG updates on arXiv.org arxiv.org
Abstract: This paper studies the geometry of binary hyperdimensional computing (HDC), a computational scheme in which data are encoded using high-dimensional binary vectors. We establish a result about the similarity structure induced by the HDC binding operator and show that the Laplace kernel naturally arises in this setting, motivating our new encoding method Laplace-HDC, which improves upon previous methods. We describe how our results indicate limitations of binary HDC in encoding spatial information from images and …
abstract arxiv binary computational computing cs.lg data geometry kernel math.pr paper show stat.ml studies type understanding vectors
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