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- W4289598386 abstract "Density estimation is a fundamental task in statistics and machine learning applications. Kernel density estimation is a powerful tool for non-parametric density estimation in low dimensions; however, its performance is poor in higher dimensions. Moreover, its prediction complexity scale linearly with more training data points. This paper presents a method for neural density estimation that can be seen as a type of kernel density estimation, but without the high prediction computational complexity. The method is based on density matrices, a formalism used in quantum mechanics, and adaptive Fourier features. The method can be trained without optimization, but it could be also integrated with deep learning architectures and trained using gradient descent. Thus, it could be seen as a form of neural density estimation method. The method was evaluated in different synthetic and real datasets, and its performance compared against state-of-the-art neural density estimation methods, obtaining competitive results." @default.
- W4289598386 created "2022-08-03" @default.
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- W4289598386 date "2022-07-31" @default.
- W4289598386 modified "2023-10-05" @default.
- W4289598386 title "Quantum Adaptive Fourier Features for Neural Density Estimation" @default.
- W4289598386 doi "https://doi.org/10.48550/arxiv.2208.00564" @default.
- W4289598386 hasPublicationYear "2022" @default.
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