no code implementations • 28 Jan 2023 • Matteo Gamba, Hossein Azizpour, Mårten Björkman
Existing bounds on the generalization error of deep networks assume some form of smooth or bounded dependence on the input variable, falling short of investigating the mechanisms controlling such factors in practice.
no code implementations • 21 Sep 2022 • Matteo Gamba, Erik Englesson, Mårten Björkman, Hossein Azizpour
The ability of overparameterized deep networks to interpolate noisy data, while at the same time showing good generalization performance, has been recently characterized in terms of the double descent curve for the test error.
no code implementations • 19 Aug 2022 • Wenjie Yin, Hang Yin, Kim Baraka, Danica Kragic, Mårten Björkman
We present CycleDance, a dance style transfer system to transform an existing motion clip in one dance style to a motion clip in another dance style while attempting to preserve motion context of the dance.
no code implementations • 8 Jul 2022 • Gustaf Tegnér, Alfredo Reichlin, Hang Yin, Mårten Björkman, Danica Kragic
In this work we provide an analysis of the distribution of the post-adaptation parameters of Gradient-Based Meta-Learning (GBML) methods.
no code implementations • 18 Apr 2022 • Ali Ghadirzadeh, Petra Poklukar, Karol Arndt, Chelsea Finn, Ville Kyrki, Danica Kragic, Mårten Björkman
We present a data-efficient framework for solving sequential decision-making problems which exploits the combination of reinforcement learning (RL) and latent variable generative models.
1 code implementation • 23 Feb 2022 • Matteo Gamba, Adrian Chmielewski-Anders, Josephine Sullivan, Hossein Azizpour, Mårten Björkman
The number of linear regions has been studied as a proxy of complexity for ReLU networks.
no code implementations • 20 May 2021 • Shuangshuang Chen, Sihao Ding, Yiannis Karayiannidis, Mårten Björkman
Learning generative models and inferring latent trajectories have shown to be challenging for time series due to the intractable marginal likelihoods of flexible generative models.
no code implementations • 7 Apr 2021 • Wenjie Yin, Hang Yin, Danica Kragic, Mårten Björkman
Data-driven approaches for modeling human skeletal motion have found various applications in interactive media and social robotics.
1 code implementation • 16 Mar 2021 • Jonathan Styrud, Matteo Iovino, Mikael Norrlöf, Mårten Björkman, Christian Smith
Industrial robots can solve very complex tasks in controlled environments, but modern applications require robots able to operate in unpredictable surroundings as well.
no code implementations • ICLR Workshop Learning_to_Learn 2021 • Ali Ghadirzadeh, Petra Poklukar, Xi Chen, Huaxiu Yao, Hossein Azizpour, Mårten Björkman, Chelsea Finn, Danica Kragic
Few-shot meta-learning methods aim to learn the common structure shared across a set of tasks to facilitate learning new tasks with small amounts of data.
no code implementations • 5 Mar 2021 • Ali Ghadirzadeh, Xi Chen, Petra Poklukar, Chelsea Finn, Mårten Björkman, Danica Kragic
Our results show that the proposed method can successfully adapt a trained policy to different robotic platforms with novel physical parameters and the superiority of our meta-learning algorithm compared to state-of-the-art methods for the introduced few-shot policy adaptation problem.
no code implementations • 26 Jul 2020 • Ali Ghadirzadeh, Petra Poklukar, Ville Kyrki, Danica Kragic, Mårten Björkman
We present a data-efficient framework for solving visuomotor sequential decision-making problems which exploits the combination of reinforcement learning (RL) and latent variable generative models.
no code implementations • 2 Jul 2020 • Ali Ghadirzadeh, Xi Chen, Wenjie Yin, Zhengrong Yi, Mårten Björkman, Danica Kragic
We present a reinforcement learning based framework for human-centered collaborative systems.
1 code implementation • 17 Mar 2020 • Matteo Gamba, Stefan Carlsson, Hossein Azizpour, Mårten Björkman
We investigate the geometric properties of the functions learned by trained ConvNets in the preactivation space of their convolutional layers, by performing an empirical study of hyperplane arrangements induced by a convolutional layer.
no code implementations • 14 Oct 2019 • Judith Bütepage, Ali Ghadirzadeh, Özge Öztimur Karadag, Mårten Björkman, Danica Kragic
To coordinate actions with an interaction partner requires a constant exchange of sensorimotor signals.
no code implementations • 17 Sep 2019 • Xi Chen, Ali Ghadirzadeh, Mårten Björkman, Patric Jensfelt
Deep reinforcement learning (RL) has enabled training action-selection policies, end-to-end, by learning a function which maps image pixels to action outputs.
no code implementations • 8 Nov 2018 • Xi Chen, Ali Ghadirzadeh, Mårten Björkman, Patric Jensfelt
Multi-objective reinforcement learning (MORL) is the generalization of standard reinforcement learning (RL) approaches to solve sequential decision making problems that consist of several, possibly conflicting, objectives.
no code implementations • 27 Jul 2016 • Ali Ghadirzadeh, Judith Bütepage, Atsuto Maki, Danica Kragic, Mårten Björkman
Modeling of physical human-robot collaborations is generally a challenging problem due to the unpredictive nature of human behavior.
no code implementations • 21 Jul 2016 • Alessandro Pieropan, Mårten Björkman, Niklas Bergström, Danica Kragic
In this paper, we provide an extensive evaluation of the performance of local descriptors for tracking applications.