no code implementations • 28 May 2021 • David Winant, Joachim Schreurs, Johan A. K. Suykens
This connection has led to insights on how to use kernel PCA in a generative procedure, called generative kernel PCA.
no code implementations • 28 May 2021 • Joachim Schreurs, Michaël Fanuel, Johan A. K. Suykens
Determinantal point processes (DPPs) are well known models for diverse subset selection problems, including recommendation tasks, document summarization and image search.
no code implementations • 6 Apr 2021 • Joachim Schreurs, Hannes De Meulemeester, Michaël Fanuel, Bart De Moor, Johan A. K. Suykens
A generative model may overlook underrepresented modes that are less frequent in the empirical data distribution.
no code implementations • 13 Nov 2020 • Michaël Fanuel, Joachim Schreurs, Johan A. K. Suykens
Semi-parametric regression models are used in several applications which require comprehensibility without sacrificing accuracy.
no code implementations • 28 Sep 2020 • Hannes De Meulemeester, Joachim Schreurs, Michaël Fanuel, Bart De Moor, Johan Suykens
However, under certain circumstances, the training of GANs can lead to mode collapse or mode dropping, i. e. the generative models not being able to sample from the entire probability distribution.
1 code implementation • 5 Aug 2020 • Joachim Schreurs, Iwein Vranckx, Mia Hubert, Johan A. K. Suykens, Peter J. Rousseeuw
The minimum regularized covariance determinant method (MRCD) is a robust estimator for multivariate location and scatter, which detects outliers by fitting a robust covariance matrix to the data.
no code implementations • 24 Jun 2020 • Joachim Schreurs, Michaël Fanuel, Johan A. K. Suykens
By using the framework of Determinantal Point Processes (DPPs), some theoretical results concerning the interplay between diversity and regularization can be obtained.
no code implementations • 16 Jun 2020 • Hannes De Meulemeester, Joachim Schreurs, Michaël Fanuel, Bart De Moor, Johan A. K. Suykens
However, under certain circumstances, the training of GANs can lead to mode collapse or mode dropping, i. e. the generative models not being able to sample from the entire probability distribution.
no code implementations • 12 Jun 2020 • Arun Pandey, Michael Fanuel, Joachim Schreurs, Johan A. K. Suykens
Our analysis shows that such a construction promotes disentanglement by matching the principal directions in the latent space with the directions of orthogonal variation in data space.
no code implementations • 20 Feb 2020 • Michaël Fanuel, Joachim Schreurs, Johan A. K. Suykens
The Nystr\"om approximation -- based on a subset of landmarks -- gives a low rank approximation of the kernel matrix, and is known to provide a form of implicit regularization.
no code implementations • 4 Feb 2020 • Arun Pandey, Joachim Schreurs, Johan A. K. Suykens
Experiments show that the weighted RKM is capable of generating clean images when contamination is present in the training data.
no code implementations • 25 Sep 2019 • Arun Pandey, Joachim Schreurs, Johan A.K. Suykens
We introduce a novel framework for generative models based on Restricted Kernel Machines (RKMs) with multi-view generation and uncorrelated feature learning capabilities, called Gen-RKM.
no code implementations • 19 Jun 2019 • Arun Pandey, Joachim Schreurs, Johan A. K. Suykens
This paper introduces a novel framework for generative models based on Restricted Kernel Machines (RKMs) with joint multi-view generation and uncorrelated feature learning, called Gen-RKM.
no code implementations • 29 May 2019 • Michaël Fanuel, Joachim Schreurs, Johan A. K. Suykens
In this context, we propose a deterministic and a randomized adaptive algorithm for selecting landmark points within a training data set.