no code implementations • 26 Mar 2023 • Sander Riisøen Jyhne, Per-Arne Andersen, Morten Goodwin
Contrastive Transformer enables existing contrastive learning techniques, often used for image classification, to benefit dense downstream prediction tasks such as semantic segmentation.
1 code implementation • 13 Mar 2023 • Li Meng, Morten Goodwin, Anis Yazidi, Paal Engelstad
Contrastive methods have performed better than generative models in previous state representation learning research.
no code implementations • 2 Jan 2023 • Ørjan Langøy Olsen, Tonje Knutsen Sørdalen, Morten Goodwin, Ketil Malde, Kristian Muri Knausgård, Kim Tallaksen Halvorsen
In both terrestrial and marine ecology, physical tagging is a frequently used method to study population dynamics and behavior.
1 code implementation • 20 Dec 2022 • Karl Audun Borgersen, Morten Goodwin, Jivitesh Sharma
These comparisons are based on model performance, interpretability/explainability, and scalability.
no code implementations • 3 Oct 2022 • Per-Arne Andersen, Ole-Christoffer Granmo, Morten Goodwin
We show that the DVQN algorithm is a promising approach for identifying initiation and termination conditions for option-based reinforcement learning.
no code implementations • 3 Oct 2022 • Per-Arne Andersen, Morten Goodwin, Ole-Christoffer Granmo
There are two approaches, model-based and model-free reinforcement learning, that show concrete results in several disciplines.
1 code implementation • 3 Oct 2022 • Per-Arne Andersen, Morten Goodwin, Ole-Christoffer Granmo
CaiRL also presents the first reinforcement learning toolkit with a built-in JVM and Flash support for running legacy flash games for reinforcement learning research.
no code implementations • 30 Jun 2022 • Li Meng, Morten Goodwin, Anis Yazidi, Paal Engelstad
In this article, we further explore the possibility of not modifying the reinforcement learning policy, but only replacing the convolutional neural network architecture with the self-attention architecture from Swin Transformer.
1 code implementation • 23 Mar 2022 • Ahmed Abouzeid, Ole-Christoffer Granmo, Christian Webersik, Morten Goodwin
We further propose a generic misinformation mitigation algorithm that is robust to different social networks' misinformation statistics, allowing a promising impact in real-world scenarios.
no code implementations • 2 Mar 2022 • Li Meng, Morten Goodwin, Anis Yazidi, Paal Engelstad
In this article, we further explore the possibility of replacing priors with noise and sample the noise from a Gaussian distribution to introduce more diversity into this algorithm.
1 code implementation • Nordic Machine Intelligence 2021 • Steven Hicks, Debesh Jha, Vajira Thambawita, Pål Halvorsen, Bjørn-Jostein Singstad, Sachin Gaur, Klas Pettersen, Morten Goodwin, Sravanthi Parasa, Thomas de Lange, Michael Riegler
MedAI: Transparency in Medical Image Segmentation is a challenge held for the first time at the Nordic AI Meet that focuses on medical image segmentation and transparency in machine learning (ML)-based systems.
no code implementations • 29 Sep 2021 • Morten Goodwin, Kim Tallaksen Halvorsen, Lei Jiao, Kristian Muri Knausgård, Angela Helen Martin, Marta Moyano, Rebekah A. Oomen, Jeppe Have Rasmussen, Tonje Knutsen Sørdalen, Susanna Huneide Thorbjørnsen
We provide insight into popular deep learning approaches for ecological data analysis in plain language, focusing on the techniques of supervised learning with deep neural networks, and illustrate challenges and opportunities through established and emerging applications of deep learning to marine ecology.
no code implementations • 22 Jul 2021 • Alvaro Fernandez-Quilez, Trygve Eftestøl, Morten Goodwin, Svein Reidar Kjosavik, Ketil Oppedal
Nevertheless, they rely on large amounts of annotated data which is not common in the medical field.
no code implementations • 28 Jun 2021 • Li Meng, Anis Yazidi, Morten Goodwin, Paal Engelstad
Using the board game Othello, we compare our algorithm with the baseline Q-learning algorithm, which is a combination of Double Q-learning and Dueling Q-learning.
5 code implementations • EMNLP (BlackboxNLP) 2021 • Rohan Kumar Yadav, Lei Jiao, Ole-Christoffer Granmo, Morten Goodwin
The approach significantly enhances the performance and interpretability of TM.
Ranked #8 on
Text Classification
on R52
no code implementations • 27 Mar 2021 • Alvaro Fernandez-Quilez, Steinar Valle Larsen, Morten Goodwin, Thor Ole Gulsurd, Svein Reidar Kjosavik, Ketil Oppedal
Whole gland (WG) segmentation of the prostate plays a crucial role in detection, staging and treatment planning of prostate cancer (PCa).
5 code implementations • 22 Feb 2021 • Rupsa Saha, Ole-Christoffer Granmo, Vladimir I. Zadorozhny, Morten Goodwin
TMs are a pattern recognition approach that uses finite state machines for learning and propositional logic to represent patterns.
2 code implementations • 10 Sep 2020 • K. Darshana Abeyrathna, Bimal Bhattarai, Morten Goodwin, Saeed Gorji, Ole-Christoffer Granmo, Lei Jiao, Rupsa Saha, Rohan K. Yadav
We evaluated the proposed parallelization across diverse learning tasks and it turns out that our decentralized TM learning algorithm copes well with working on outdated data, resulting in no significant loss in learning accuracy.
no code implementations • 28 Jul 2020 • Xuan Zhang, Lei Jiao, Ole-Christoffer Granmo, Morten Goodwin
The analysis of the convergence of the two basic operators lays the foundation for analyzing other logical operators.
no code implementations • 4 Jul 2020 • K. Darshana Abeyrathna, Ole-Christoffer Granmo, Rishad Shafik, Alex Yakovlev, Adrian Wheeldon, Jie Lei, Morten Goodwin
However, TMs rely heavily on energy-costly random number generation to stochastically guide a team of Tsetlin Automata to a Nash Equilibrium of the TM game.
no code implementations • 14 May 2020 • Kristian Muri Knausgård, Arne Wiklund, Tonje Knutsen Sørdalen, Kim Halvorsen, Alf Ring Kleiven, Lei Jiao, Morten Goodwin
In this paper, we propose a two-step deep learning approach for the detection and classification of temperate fishes without pre-filtering.
4 code implementations • 11 May 2020 • K. Darshana Abeyrathna, Ole-Christoffer Granmo, Morten Goodwin
Here, we address the accuracy-interpretability challenge in machine learning by equipping the TM clauses with integer weights.
1 code implementation • 7 Apr 2020 • Saeed Rahimi Gorji, Ole-Christoffer Granmo, Sondre Glimsdal, Jonathan Edwards, Morten Goodwin
Instead we use a simple look-up table that indexes the clauses on the features that falsify them.
no code implementations • 10 Feb 2020 • Rohan Kuamr Yadav, Lei Jiao, Ole-Christoffer Granmo, Morten Goodwin
Word Sense Disambiguation (WSD) is a longstanding unresolved task in Natural Language Processing.
4 code implementations • 4 Feb 2020 • K. Darshana Abeyrathna, Ole-Christoffer Granmo, Morten Goodwin
Although the RTM has solved non-linear regression problems with competitive accuracy, the resolution of the output is proportional to the number of clauses employed.
4 code implementations • 16 Sep 2019 • Saeed Rahimi Gorji, Ole-Christoffer Granmo, Adrian Phoulady, Morten Goodwin
The recently introduced Tsetlin Machine (TM) has provided competitive pattern recognition accuracy in several benchmarks, however, requires a 3-dimensional hyperparameter search.
no code implementations • 28 Aug 2019 • Jivitesh Sharma, Ole-Christoffer Granmo, Morten Goodwin
In this paper, we propose a model for the Environment Sound Classification Task (ESC) that consists of multiple feature channels given as input to a Deep Convolutional Neural Network (CNN) with Attention mechanism.
1 code implementation • 27 Jul 2019 • Per-Arne Andersen, Morten Goodwin, Ole-Christoffer Granmo
If these environment dynamics are adequately learned, a model-based approach is perhaps the most sample efficient method for learning agents to act in an environment optimally.
no code implementations • 15 Jul 2019 • Mehdi Ben Lazreg, Morten Goodwin, Ole-Christoffer Granmo
However, learning the graph structure is often complex, particularly when the graph is cyclic, and the transitions from one node to another are conditioned such as graphs used to represent a finite state machine.
8 code implementations • arXiv 2019 • Ole-Christoffer Granmo, Sondre Glimsdal, Lei Jiao, Morten Goodwin, Christian W. Omlin, Geir Thore Berge
Whereas the TM categorizes an image by employing each clause once to the whole image, the CTM uses each clause as a convolution filter.
Ranked #13 on
Image Classification
on Fashion-MNIST
no code implementations • 23 May 2019 • Jivitesh Sharma, Per-Arne Andersen, Ole-Chrisoffer Granmo, Morten Goodwin
We also propose a new reinforcement learning approach that entails pretraining the network weights of a DQN based agents to incorporate information on the shortest path to the exit.
1 code implementation • 10 May 2019 • K. Darshana Abeyrathna, Ole-Christoffer Granmo, Lei Jiao, Morten Goodwin
We achieve this by: (1) using the conjunctive clauses of the TM to capture arbitrarily complex patterns; (2) mapping these patterns to a continuous output through a novel voting and normalization mechanism; and (3) employing a feedback scheme that updates the TM clauses to minimize the regression error.
4 code implementations • 10 May 2019 • K. Darshana Abeyrathna, Ole-Christoffer Granmo, Xuan Zhang, Morten Goodwin
In this paper, we apply a new promising tool for pattern classification, namely, the Tsetlin Machine (TM), to the field of disease forecasting.
no code implementations • 4 Apr 2019 • Erlend Olsvik, Christian M. D. Trinh, Kristian Muri Knausgård, Arne Wiklund, Tonje Knutsen Sørdalen, Alf Ring Kleiven, Lei Jiao, Morten Goodwin
The second step is to train the classifier based on a new data set consisting of species that we are interested in for classification, named as post-training.
1 code implementation • 2 Oct 2018 • Per-Arne Andersen, Morten Goodwin, Ole-Christoffer Granmo
It is likely that the solution to these problems lies in short- and long-term planning, exploration and memory management for reinforcement learning algorithms.
1 code implementation • 12 Sep 2018 • Geir Thore Berge, Ole-Christoffer Granmo, Tor Oddbjørn Tveit, Morten Goodwin, Lei Jiao, Bernt Viggo Matheussen
The Tsetlin Machine either performs on par with or outperforms all of the evaluated methods on both the 20 Newsgroups and IMDb datasets, as well as on a non-public clinical dataset.
1 code implementation • 15 Aug 2018 • Per-Arne Andersen, Morten Goodwin, Ole-Christoffer Granmo
Reinforcement learning (RL) is an area of research that has blossomed tremendously in recent years and has shown remarkable potential for artificial intelligence based opponents in computer games.
1 code implementation • 16 Jul 2018 • Mehdi Ben Lazreg, Morten Goodwin
This paper proposes a string metric that encompasses similarities between strings based on (1) the character similarities between the words including.
no code implementations • 26 Jan 2018 • Per-Arne Andersen, Morten Goodwin, Ole-Christoffer Granmo
This paper introduces the Flash Reinforcement Learning platform (FlashRL) which attempts to fill this gap by providing an environment for thousands of Flash games on a novel platform for Flash automation.
no code implementations • 17 Dec 2017 • Per-Arne Andersen, Morten Goodwin, Ole-Christoffer Granmo
We propose a game environment in between Atari 2600 and Starcraft II, particularly targeting Deep Reinforcement Learning algorithm research.
no code implementations • 23 Jun 2016 • Per-Arne Andersen, Christian Kråkevik, Morten Goodwin, Anis Yazidi
As main contribution of this paper, we propose a a novel Skill-Based Task Selector (SBTS) algorithm which is able to approximate a student's skill level based on his performance and consequently suggest adequate assignments.