Conference proceeding
Fast Kernel Density Estimation with Density Matrices and Random Fourier Features
ADVANCES IN ARTIFICIAL INTELLIGENCE-IBERAMIA 2022, v 13788, pp 160-172
01 Jan 2022
Abstract
Kernel density estimation (KDE) is one of the most widely used nonparametric density estimation methods. The fact that it is a memory-based method, i.e., it uses the entire training data set for prediction, makes it unsuitable for most current big data applications. Several strategies, such as tree-based or hashing-based estimators, have been proposed to improve the efficiency of the kernel density estimation method. The novel density kernel density estimation method (DMKDE) uses density matrices, a quantum mechanical formalism, and random Fourier features, an explicit kernel approximation, to produce density estimates. This method has its roots in the KDE and can be considered as an approximation method, without its memory-based restriction. In this paper, we systematically evaluate the novel DMKDE algorithm and compare it with other state-of-the-art fast procedures for approximating the kernel density estimation method on different synthetic data sets. Our experimental results show that DMKDE is on par with its competitors for computing density estimates and advantages are shown when performed on high-dimensional data. We have made all the code available as an open source software repository.
Metrics
1 Record Views
Details
- Title
- Fast Kernel Density Estimation with Density Matrices and Random Fourier Features
- Creators
- Joseph A. Gallego - Univ Nacl Colombia, Bogota, ColombiaJuan F. Osorio - Universidad Nacional de ColombiaFabio A. Gonzalez - Universidad Nacional de Colombia
- Contributors
- ACB Garcia (Editor)M Ferro (Editor)JCR Ribon (Editor)
- Publication Details
- ADVANCES IN ARTIFICIAL INTELLIGENCE-IBERAMIA 2022, v 13788, pp 160-172
- Series
- Lecture Notes in Artificial Intelligence
- Publisher
- Springer Nature
- Number of pages
- 13
- Resource Type
- Conference proceeding
- Language
- English
- Academic Unit
- Computer Science (Computing)
- Web of Science ID
- WOS:000972628400014
- Scopus ID
- 2-s2.0-85148695543
- Other Identifier
- 991022116774204721