no code implementations • 21 Sep 2023 • Adrian Suwała, Bartosz Wójcik, Magdalena Proszewska, Jacek Tabor, Przemysław Spurek, Marek Śmieja
Conditional GANs are frequently used for manipulating the attributes of face images, such as expression, hairstyle, pose, or age.
no code implementations • 16 Aug 2023 • Mikołaj Sacha, Bartosz Jura, Dawid Rymarczyk, Łukasz Struski, Jacek Tabor, Bartosz Zieliński
Prototypical parts-based networks are becoming increasingly popular due to their faithful self-explanations.
1 code implementation • 5 Jul 2023 • Piotr Gaiński, Michał Koziarski, Jacek Tabor, Marek Śmieja
Graph Neural Networks (GNNs) play a fundamental role in many deep learning problems, in particular in cheminformatics.
1 code implementation • 21 Jun 2023 • Aleksandra I. Nowak, Bram Grooten, Decebal Constantin Mocanu, Jacek Tabor
The key components of this framework are the pruning and growing criteria, which are repeatedly applied during the training process to adjust the network's sparse connectivity.
no code implementations • 18 Jun 2023 • Łukasz Struski, Dawid Rymarczyk, Arkadiusz Lewicki, Robert Sabiniewicz, Jacek Tabor, Bartosz Zieliński
The most common MIL model is when we consider a bag as positive if at least one of its instances has a positive label.
1 code implementation • 31 May 2023 • Marcin Przewięźlikowski, Mateusz Pyla, Bartosz Zieliński, Bartłomiej Twardowski, Jacek Tabor, Marek Śmieja
By learning to remain invariant to applied data augmentations, methods such as SimCLR and MoCo are able to reach quality on par with supervised approaches.
1 code implementation • 17 May 2023 • Dominik Zimny, Jacek Tabor, Maciej Zięba, Przemysław Spurek
Consequently, we can only replace the 2D images (without additional training) to produce a NeRF representation of the new object.
1 code implementation • 11 Apr 2023 • Klaudia Bałazy, Łukasz Struski, Marek Śmieja, Jacek Tabor
Nowadays artificial neural network models achieve remarkable results in many disciplines.
no code implementations • 3 Apr 2023 • Krzysztof Byrski, Przemysław Spurek, Jacek Tabor
In this work, we propose a density representation of the closed curve, which can be used to detect the complicated templates in the data.
1 code implementation • 10 Mar 2023 • Wojciech Zając, Jacek Tabor, Maciej Zięba, Przemysław Spurek
As a result, color values are non-zero only in the proximity of the FLAME mesh.
1 code implementation • 3 Mar 2023 • Michał Znaleźniak, Przemysław Rola, Patryk Kaszuba, Jacek Tabor, Marek Śmieja
Deep clustering has been dominated by flat models, which split a dataset into a predefined number of groups.
Ranked #1 on
Image Clustering
on MNIST
1 code implementation • 9 Feb 2023 • Filip Szatkowski, Karol J. Piczak, Przemysław Spurek, Jacek Tabor, Tomasz Trzciński
Implicit Neural Representations (INRs) are nowadays used to represent multimedia signals across various real-life applications, including image super-resolution, image compression, or 3D rendering.
1 code implementation • 8 Feb 2023 • Mohammadreza Banaei, Klaudia Bałazy, Artur Kasymov, Rémi Lebret, Jacek Tabor, Karl Aberer
Recent transformer language models achieve outstanding results in many natural language processing (NLP) tasks.
1 code implementation • 28 Jan 2023 • Mikołaj Sacha, Dawid Rymarczyk, Łukasz Struski, Jacek Tabor, Bartosz Zieliński
We introduce ProtoSeg, a novel model for interpretable semantic image segmentation, which constructs its predictions using similar patches from the training set.
no code implementations • 3 Nov 2022 • Filip Szatkowski, Karol J. Piczak, Przemysław Spurek, Jacek Tabor, Tomasz Trzciński
Implicit neural representations (INRs) are a rapidly growing research field, which provides alternative ways to represent multimedia signals.
1 code implementation • 6 Oct 2022 • Piotr Borycki, Piotr Kubacki, Marcin Przewięźlikowski, Tomasz Kuśmierczyk, Jacek Tabor, Przemysław Spurek
Unfortunately, previous modifications of MAML are limited due to the simplicity of Gaussian posteriors, MAML-like gradient-based weight updates, or by the same structure enforced for universal and adapted weights.
no code implementations • 21 Aug 2022 • Łukasz Struski, Jacek Tabor, Bartosz Zieliński
Partial label learning is a type of weakly supervised learning, where each training instance corresponds to a set of candidate labels, among which only one is true.
1 code implementation • ICLR Workshop GTRL 2021 • Piotr Tempczyk, Rafał Michaluk, Łukasz Garncarek, Przemysław Spurek, Jacek Tabor, Adam Goliński
We attempt to address that challenge by proposing a novel approach to the problem: Local Intrinsic Dimension estimation using approximate Likelihood (LIDL).
no code implementations • 28 Jun 2022 • Bartosz Wójcik, Jacek Grela, Marek Śmieja, Krzysztof Misztal, Jacek Tabor
The proposed classifier is confident only if a single class has a high probability and other probabilities are negligible.
no code implementations • 19 Jun 2022 • Łukasz Struski, Marcin Mazur, Paweł Batorski, Przemysław Spurek, Jacek Tabor
Many crucial problems in deep learning and statistics are caused by a variational gap, i. e., a difference between evidence and evidence lower bound (ELBO).
1 code implementation • 16 Jun 2022 • Maciej Wołczyk, Karol J. Piczak, Bartosz Wójcik, Łukasz Pustelnik, Paweł Morawiecki, Jacek Tabor, Tomasz Trzciński, Przemysław Spurek
We introduce a new training paradigm that enforces interval constraints on neural network parameter space to control forgetting.
1 code implementation • 21 Mar 2022 • Marcin Sendera, Marcin Przewięźlikowski, Konrad Karanowski, Maciej Zięba, Jacek Tabor, Przemysław Spurek
Few-shot models aim at making predictions using a minimal number of labeled examples from a given task.
1 code implementation • 6 Dec 2021 • Dawid Rymarczyk, Łukasz Struski, Michał Górszczak, Koryna Lewandowska, Jacek Tabor, Bartosz Zieliński
We introduce ProtoPool, an interpretable image classification model with a pool of prototypes shared by the classes.
1 code implementation • 26 Oct 2021 • Marcin Przewięźlikowski, Marek Śmieja, Łukasz Struski, Jacek Tabor
Processing of missing data by modern neural networks, such as CNNs, remains a fundamental, yet unsolved challenge, which naturally arises in many practical applications, like image inpainting or autonomous vehicles and robots.
1 code implementation • NeurIPS 2021 • Marcin Sendera, Jacek Tabor, Aleksandra Nowak, Andrzej Bedychaj, Massimiliano Patacchiola, Tomasz Trzciński, Przemysław Spurek, Maciej Zięba
This makes the GP posterior locally non-Gaussian, therefore we name our method Non-Gaussian Gaussian Processes (NGGPs).
no code implementations • 12 Oct 2021 • Łukasz Maziarka, Dawid Majchrowski, Tomasz Danel, Piotr Gaiński, Jacek Tabor, Igor Podolak, Paweł Morkisz, Stanisław Jastrzębski
Self-supervised learning holds promise to revolutionize molecule property prediction - a central task to drug discovery and many more industries - by enabling data efficient learning from scarce experimental data.
no code implementations • 10 Aug 2021 • Marcin Sendera, Marek Śmieja, Łukasz Maziarka, Łukasz Struski, Przemysław Spurek, Jacek Tabor
We propose FlowSVDD -- a flow-based one-class classifier for anomaly/outliers detection that realizes a well-known SVDD principle using deep learning tools.
no code implementations • 28 Jul 2021 • Łukasz Struski, Tomasz Danel, Marek Śmieja, Jacek Tabor, Bartosz Zieliński
Recent years have seen a surge in research on deep interpretable neural networks with decision trees as one of the most commonly incorporated tools.
1 code implementation • ACL (RepL4NLP) 2021 • Klaudia Bałazy, Mohammadreza Banaei, Rémi Lebret, Jacek Tabor, Karl Aberer
The adoption of Transformer-based models in natural language processing (NLP) has led to great success using a massive number of parameters.
1 code implementation • NeurIPS 2021 • Maciej Wołczyk, Bartosz Wójcik, Klaudia Bałazy, Igor Podolak, Jacek Tabor, Marek Śmieja, Tomasz Trzciński
The problem of reducing processing time of large deep learning models is a fundamental challenge in many real-world applications.
1 code implementation • 11 Feb 2021 • Przemysław Spurek, Artur Kasymov, Marcin Mazur, Diana Janik, Sławomir Tadeja, Łukasz Struski, Jacek Tabor, Tomasz Trzciński
In this work, we reformulate the problem of point cloud completion into an object hallucination task.
no code implementations • 30 Nov 2020 • Maciej Zięba, Marcin Przewięźlikowski, Marek Śmieja, Jacek Tabor, Tomasz Trzcinski, Przemysław Spurek
Predicting future states or actions of a given system remains a fundamental, yet unsolved challenge of intelligence, especially in the scope of complex and non-deterministic scenarios, such as modeling behavior of humans.
1 code implementation • 29 Nov 2020 • Dawid Rymarczyk, Łukasz Struski, Jacek Tabor, Bartosz Zieliński
In this paper, we introduce ProtoPShare, a self-explained method that incorporates the paradigm of prototypical parts to explain its predictions.
no code implementations • 6 Oct 2020 • Łukasz Maziarka, Marek Śmieja, Marcin Sendera, Łukasz Struski, Jacek Tabor, Przemysław Spurek
We propose OneFlow - a flow-based one-class classifier for anomaly (outlier) detection that finds a minimal volume bounding region.
1 code implementation • 15 Sep 2020 • Szymon Knop, Marcin Mazur, Przemysław Spurek, Jacek Tabor, Igor Podolak
First, an autoencoder based architecture, using kernel measures, is built to model a manifold of data.
no code implementations • 17 Jun 2020 • Bartosz Wójcik, Paweł Morawiecki, Marek Śmieja, Tomasz Krzyżek, Przemysław Spurek, Jacek Tabor
We present a mechanism for detecting adversarial examples based on data representations taken from the hidden layers of the target network.
1 code implementation • 15 Jun 2020 • Przemysław Spurek, Maciej Zięba, Jacek Tabor, Tomasz Trzciński
To that end, we devise a generative model that uses a hypernetwork to return the weights of a Continuous Normalizing Flows (CNF) target network.
no code implementations • 25 May 2020 • Dawid Rymarczyk, Adriana Borowa, Jacek Tabor, Bartosz Zieliński
There have been several attempts to create a model working with a bag of instances, however, they are assuming that there are no dependencies within the bag and the label is connected to at least one instance.
1 code implementation • 17 Apr 2020 • Bartosz Wójcik, Maciej Wołczyk, Klaudia Bałazy, Jacek Tabor
We develop a fast end-to-end method for training lightweight neural networks using multiple classifier heads.
no code implementations • ICLR 2020 • Stanislaw Jastrzebski, Maciej Szymczak, Stanislav Fort, Devansh Arpit, Jacek Tabor, Kyunghyun Cho, Krzysztof Geras
We argue for the existence of the "break-even" point on this trajectory, beyond which the curvature of the loss surface and noise in the gradient are implicitly regularized by SGD.
6 code implementations • 19 Feb 2020 • Łukasz Maziarka, Tomasz Danel, Sławomir Mucha, Krzysztof Rataj, Jacek Tabor, Stanisław Jastrzębski
Designing a single neural network architecture that performs competitively across a range of molecule property prediction tasks remains largely an open challenge, and its solution may unlock a widespread use of deep learning in the drug discovery industry.
1 code implementation • 18 Feb 2020 • Łukasz Struski, Szymon Knop, Jacek Tabor, Wiktor Daniec, Przemysław Spurek
In the paper we construct a fully convolutional GAN model: LocoGAN, which latent space is given by noise-like images of possibly different resolutions.
2 code implementations • ICML 2020 • Przemysław Spurek, Sebastian Winczowski, Jacek Tabor, Maciej Zamorski, Maciej Zięba, Tomasz Trzciński
The main idea of our HyperCloud method is to build a hyper network that returns weights of a particular neural network (target network) trained to map points from a uniform unit ball distribution into a 3D shape.
1 code implementation • 13 Jan 2020 • Andrzej Bedychaj, Przemysław Spurek, Aleksandra Nowak, Jacek Tabor
Independent Component Analysis (ICA) aims to find a coordinate system in which the components of the data are independent.
no code implementations • NeurIPS Workshop Neuro_AI 2019 • Maciej Wołczyk, Jacek Tabor, Marek Śmieja, Szymon Maszke
We introduce bio-inspired artificial neural networks consisting of neurons that are additionally characterized by spatial positions.
2 code implementations • 11 Sep 2019 • Tomasz Danel, Przemysław Spurek, Jacek Tabor, Marek Śmieja, Łukasz Struski, Agnieszka Słowik, Łukasz Maziarka
Graph Convolutional Networks (GCNs) have recently become the primary choice for learning from graph-structured data, superseding hash fingerprints in representing chemical compounds.
no code implementations • 21 Jun 2019 • Marek Śmieja, Maciej Wołczyk, Jacek Tabor, Bernhard C. Geiger
We propose a semi-supervised generative model, SeGMA, which learns a joint probability distribution of data and their classes and which is implemented in a typical Wasserstein auto-encoder framework.
1 code implementation • 3 Jun 2019 • Paweł Morawiecki, Przemysław Spurek, Marek Śmieja, Jacek Tabor
We present an efficient technique, which allows to train classification networks which are verifiably robust against norm-bounded adversarial attacks.
no code implementations • 31 May 2019 • Andrzej Bedychaj, Przemysław Spurek, Łukasz Struskim, Jacek Tabor
Independent Component Analysis (ICA) - one of the basic tools in data analysis - aims to find a coordinate system in which the components of the data are independent.
1 code implementation • 30 May 2019 • Przemysław Spurek, Szymon Knop, Jacek Tabor, Igor Podolak, Bartosz Wójcik
Several deep models, esp.
1 code implementation • 6 Apr 2019 • Łukasz Struski, Michał Sadowski, Tomasz Danel, Jacek Tabor, Igor T. Podolak
In the case of geodesics, we search for the curves with the shortest length, while in the case of generative models we typically apply linear interpolation in the latent space.
no code implementations • 1 Mar 2019 • Przemysław Spurek, Aleksandra Nowak, Jacek Tabor, Łukasz Maziarka, Stanisław Jastrzębski
Non-linear source separation is a challenging open problem with many applications.
no code implementations • 27 Feb 2019 • Sylwester Klocek, Łukasz Maziarka, Maciej Wołczyk, Jacek Tabor, Jakub Nowak, Marek Śmieja
Motivated by the human way of memorizing images we introduce their functional representation, where an image is represented by a neural network.
1 code implementation • 20 Feb 2019 • Bartosz Wójcik, Łukasz Maziarka, Jacek Tabor
In this paper, we propose a simple, fast and easy to implement algorithm LOSSGRAD (locally optimal step-size in gradient descent), which automatically modifies the step-size in gradient descent during neural networks training.
no code implementations • 29 Jan 2019 • Szymon Knop, Marcin Mazur, Jacek Tabor, Igor Podolak, Przemysław Spurek
In this paper we discuss a class of AutoEncoder based generative models based on one dimensional sliced approach.
1 code implementation • 3 Oct 2018 • Łukasz Maziarka, Marek Śmieja, Aleksandra Nowak, Jacek Tabor, Łukasz Struski, Przemysław Spurek
Global pooling, such as max- or sum-pooling, is one of the key ingredients in deep neural networks used for processing images, texts, graphs and other types of structured data.
no code implementations • 27 Sep 2018 • Łukasz Maziarka, Marek Śmieja, Aleksandra Nowak, Jacek Tabor, Łukasz Struski, Przemysław Spurek
We construct a general unified framework for learning representation of structured data, i. e. data which cannot be represented as the fixed-length vectors (e. g. sets, graphs, texts or images of varying sizes).
no code implementations • 24 Sep 2018 • Wojciech Tarnowski, Piotr Warchoł, Stanisław Jastrzębski, Jacek Tabor, Maciej A. Nowak
We propose that in ResNets this can be resolved based on our results, by ensuring the same level of dynamical isometry at initialization.
2 code implementations • ICLR 2019 • Szymon Knop, Jacek Tabor, Przemysław Spurek, Igor Podolak, Marcin Mazur, Stanisław Jastrzębski
The crucial new ingredient is the introduction of a new (Cramer-Wold) metric in the space of densities, which replaces the Wasserstein metric used in SWAE.
1 code implementation • NeurIPS 2018 • Marek Smieja, Łukasz Struski, Jacek Tabor, Bartosz Zieliński, Przemysław Spurek
We propose a general, theoretically justified mechanism for processing missing data by neural networks.
no code implementations • 11 Mar 2018 • Bartosz Zieliński, Łukasz Struski, Marek Śmieja, Jacek Tabor
For this purpose, we train context encoder for 64x64 pixels images in a standard way and use its resized output to fill in the missing input region of the 128x128 context encoder, both in training and evaluation phase.
1 code implementation • 11 Jul 2017 • Marek Śmieja, Krzysztof Hajto, Jacek Tabor
In this paper we propose a mixture model, SparseMix, for clustering of sparse high dimensional binary data, which connects model-based with centroid-based clustering.
no code implementations • 4 May 2017 • Marek Śmieja, Łukasz Struski, Jacek Tabor
In this paper, we focus on finding clusters in partially categorized data sets.
no code implementations • 4 May 2017 • Marek Śmieja, Jacek Tabor
In order to graphically represent and interpret the results the notion of Voronoi diagram was generalized to non Euclidean spaces and applied for introduced clustering method.
no code implementations • 2 May 2017 • Łukasz Struski, Marek Śmieja, Jacek Tabor
Incomplete data are often represented as vectors with filled missing attributes joined with flag vectors indicating missing components.
no code implementations • 5 Dec 2016 • Łukasz Struski, Marek Śmieja, Jacek Tabor
We construct $\bf genRBF$ kernel, which generalizes the classical Gaussian RBF kernel to the case of incomplete data.
no code implementations • 19 Aug 2015 • Jacek Tabor, Przemysław Spurek, Konrad Kamieniecki, Marek Śmieja, Krzysztof Misztal
The R Package CEC performs clustering based on the cross-entropy clustering (CEC) method, which was recently developed with the use of information theory.
no code implementations • 10 Apr 2015 • Wojciech Marian Czarnecki, Rafał Józefowicz, Jacek Tabor
Representation learning is currently a very hot topic in modern machine learning, mostly due to the great success of the deep learning methods.
no code implementations • 21 Jan 2015 • Wojciech Marian Czarnecki, Jacek Tabor
The main contribution of this paper is proposing a model based on the information theoretic concepts which on the one hand shows new, entropic perspective on known linear classifiers and on the other leads to a construction of very robust method competetitive with the state of the art non-information theoretic ones (including Support Vector Machines and Extreme Learning Machines).
no code implementations • 12 Aug 2014 • Wojciech Marian Czarnecki, Jacek Tabor
In the classical Gaussian SVM classification we use the feature space projection transforming points to normal distributions with fixed covariance matrices (identity in the standard RBF and the covariance of the whole dataset in Mahalanobis RBF).
no code implementations • 4 Aug 2014 • Wojciech Marian Czarnecki, Jacek Tabor
Then we prove that our method is a multithreshold large margin classifier, which shows the analogy to the SVM, while in the same time works with much broader class of hypotheses.