no code implementations • 27 Sep 2023 • Iman Sharifi, Saber Fallah
Current methods of imitation learning (IL), primarily based on deep neural networks, offer efficient means for obtaining driving policies from real-world data but suffer from significant limitations in interpretability and generalizability.
no code implementations • 30 Aug 2023 • Zahra Chaghazardi, Saber Fallah, Alireza Tamaddoni-Nezhad
This approach is more robust against adversarial attacks, as it mimics human-like perception and is less susceptible to the limitations of current DNN classifiers.
1 code implementation • 3 Jul 2023 • Iman Sharifi, Mustafa Yıldırım, Saber Fallah
The dynamic nature of driving environments and the presence of diverse road users pose significant challenges for decision-making in autonomous driving.
1 code implementation • 26 May 2023 • Luc McCutcheon, Saber Fallah
By adjusting controller parameters in real-time, this adaptive controller compensates for stochastic delays and improves synchronicity between local and remote robotic manipulators.
no code implementations • 29 Mar 2023 • Salar Arbabi, Davide Tavernini, Saber Fallah, Richard Bowden
This paper presents a decision making approach for autonomous driving, focusing on the complex task of merging into moving traffic where uncertainty emanates from the behavior of other drivers and imperfect sensor measurements.
no code implementations • 16 Sep 2022 • Mehran Raisi, Amirhossein Noohian, Luc McCutcheon, Saber Fallah
This paper proposes a novel scoring function for the planning module of MPC-based reinforcement learning methods to address the inherent bias of using the reward function to score trajectories.
Model-based Reinforcement Learning Reinforcement Learning (RL)
1 code implementation • 22 Sep 2021 • Sajjad Mozaffari, Eduardo Arnold, Mehrdad Dianati, Saber Fallah
Lane change (LC) is one of the safety-critical manoeuvres in highway driving according to various road accident records.
1 code implementation • 9 Jul 2021 • Sampo Kuutti, Saber Fallah, Richard Bowden
By training the protagonist against an ensemble of adversaries, it learns a significantly more robust control policy, which generalises to a variety of adversarial strategies.
1 code implementation • 9 Jul 2021 • Sampo Kuutti, Saber Fallah, Richard Bowden
By penalising the safe action distribution based on its similarity to the unsafe action distribution when training on the collision dataset, a more robust and safe control policy is obtained.
1 code implementation • 23 May 2021 • Marco Visca, Sampo Kuutti, Roger Powell, Yang Gao, Saber Fallah
Terrain traversability analysis plays a major role in ensuring safe robotic navigation in unstructured environments.
no code implementations • 4 Apr 2021 • Marco Visca, Arthur Bouton, Roger Powell, Yang Gao, Saber Fallah
Driving energy consumption plays a major role in the navigation of mobile robots in challenging environments, especially if they are left to operate unattended under limited on-board power.
1 code implementation • 27 Mar 2021 • Shayan Taherian, Sampo Kuutti, Marco Visca, Saber Fallah
It is shown that, torque-vectoring controller with parameter tuning via reinforcement learning performs well on a range of different driving environment e. g., wide range of friction conditions and different velocities, which highlight the advantages of reinforcement learning as an adaptive algorithm for parameter tuning.
1 code implementation • 17 Mar 2021 • Sampo Kuutti, Richard Bowden, Saber Fallah
We compare models with and without safety cages, as well as models with optimal and constrained model parameters, and show that the weak supervision consistently improves the safety of exploration, speed of convergence, and model performance.
1 code implementation • 27 Feb 2020 • Sampo Kuutti, Saber Fallah, Richard Bowden
As the networks used to obtain state-of-the-art results become increasingly deep and complex, the rules they have learned and how they operate become more challenging to understand.
no code implementations • 23 Dec 2019 • Sampo Kuutti, Richard Bowden, Yaochu Jin, Phil Barber, Saber Fallah
However, deep learning methods have shown great promise in not only providing excellent performance for complex and non-linear control problems, but also in generalising previously learned rules to new scenarios.
1 code implementation • 18 Dec 2019 • Eduardo Arnold, Mehrdad Dianati, Robert de Temple, Saber Fallah
In contrast, the late fusion scheme fuses the independently detected bounding boxes from multiple spatially diverse sensors.