no code implementations • 29 Jan 2024 • Chaoyi Gu, Jiaming Na, Yisheng Pei, Varuna De Silva
We propose a player pressure map to represent a given game scene, which lowers the dimension of raw data and still contains rich contextual information.
1 code implementation • 26 Jan 2024 • Rafael Pina, Varuna De Silva, Corentin Artaud, Xiaolan Liu
Multi-Agent Reinforcement Learning (MARL) comprises a broad area of research within the field of multi-agent systems.
no code implementations • 5 Nov 2023 • Rafael Pina, Varuna De Silva, Corentin Artaud
Multi-Agent Reinforcement Learning (MARL) comprises an area of growing interest in the field of machine learning.
no code implementations • 5 Nov 2023 • Rafael Pina, Corentin Artaud, Xiaolan Liu, Varuna De Silva
Although still in simulation, the investigated situations are conceptually closer to real scenarios and thus, with these results, we intend to motivate further research in the subject.
1 code implementation • 20 Jun 2023 • Rafael Pina, Varuna De Silva, Corentin Artaud
In this paper, we investigate the applications of causality in MARL and how it can be applied in MARL to penalise these lazy agents.
no code implementations • 25 Mar 2023 • Chaoyi Gu, Varuna De Silva, Corentin Artaud, Rafael Pina
The experiment results in the GRF environment prove that our reward shaping method is a useful addition to state-of-the-art MARL algorithms for training agents in environments with sparse reward signal.
no code implementations • 24 Mar 2023 • Rafael Pina, Varuna De Silva, Corentin Artaud
When learning a task as a team, some agents in Multi-Agent Reinforcement Learning (MARL) may fail to understand their true impact in the performance of the team.
no code implementations • 23 Mar 2023 • Chaoyi Gu, Varuna De Silva
Then the trained Conditional VRNN Model is used as a benchmark to evaluate team performance.
no code implementations • 6 Jul 2022 • Haileleol Tibebu, Aadil Malik, Varuna De Silva
This high-level sketch output from first stage and a text descriptor is used as an input to the conditional GAN network.
no code implementations • 30 May 2022 • Rafael Pina, Varuna De Silva, Joosep Hook, Ahmet Kondoz
The performance of the proposed method is compared against several state-of-the-art techniques such as QPLEX, QMIX, QTRAN and VDN, in a range of multi-agent cooperative tasks.
Multi-agent Reinforcement Learning reinforcement-learning +1
no code implementations • 25 Aug 2020 • Varuna De Silva
Most of the algorithms for image denoising has focused on the paradigm of non-local similarity, where image blocks in the neighborhood that are similar, are collected to build a basis for reconstruction.
no code implementations • 9 Jan 2019 • Mirco Moencks, Varuna De Silva, Jamie Roche, Ahmet Kondoz
In this paper, we present a novel, multi-modal sensor dataset that encompasses nine indoor activities, performed by 16 participants, and captured by four types of sensors that are commonly used in indoor applications and autonomous vehicles.
Ranked #1 on Multimodal Activity Recognition on LboroHAR
no code implementations • 17 Oct 2017 • Varuna De Silva, Jamie Roche, Ahmet Kondoz
A combination of several different sensors such as LiDAR, radar, ultrasound sensors and cameras are utilized to sense the surrounding environment of autonomous vehicles.