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Vision-based urban driving is hard. The autonomous system needs to learn to perceive the world and act in it. We show that this challenging learning problem can be simplified by decomposing it into two stages. We first train an agent that…

Robotics · Computer Science 2019-12-30 Dian Chen , Brady Zhou , Vladlen Koltun , Philipp Krähenbühl

High-speed cruising scenarios with mixed traffic greatly challenge the road safety of autonomous vehicles (AVs). Unlike existing works that only look at fundamental modules in isolation, this work enhances AV safety in mixed-traffic…

Systems and Control · Electrical Eng. & Systems 2024-04-24 Jinhao Liang , Kaidi Yang , Chaopeng Tan , Jinxiang Wang , Guodong Yin

Reinforcement learning (RL) algorithms have been widely applied in traffic signal studies. There are, however, several problems in jointly controlling traffic lights for a large transportation network. First, the action space exponentially…

Signal Processing · Electrical Eng. & Systems 2020-08-06 Gyeongjun Kim , Keemin Sohn

Maneuvering in dense traffic is a challenging task for autonomous vehicles because it requires reasoning about the stochastic behaviors of many other participants. In addition, the agent must achieve the maneuver within a limited time and…

Artificial Intelligence · Computer Science 2020-05-26 Maxime Bouton , Alireza Nakhaei , David Isele , Kikuo Fujimura , Mykel J. Kochenderfer

The operational space of an autonomous vehicle (AV) can be diverse and vary significantly. This may lead to a scenario that was not postulated in the design phase. Due to this, formulating a rule based decision maker for selecting maneuvers…

Robotics · Computer Science 2019-04-02 Subramanya Nageshrao , Eric Tseng , Dimitar Filev

Unmanned aerial vehicles (UAVs) are envisioned to complement the 5G communication infrastructure in future smart cities. Hot spots easily appear in road intersections, where effective communication among vehicles is challenging. UAVs may…

Machine Learning · Computer Science 2023-02-22 Ming Zhu , Xiao-Yang Liu , Anwar Walid

With the rapid development of machine learning, autonomous driving has become a hot issue, making urgent demands for more intelligent perception and planning systems. Self-driving cars can avoid traffic crashes with precisely predicted…

Robotics · Computer Science 2021-11-01 Jianbang Liu , Xinyu Mao , Yuqi Fang , Delong Zhu , Max Q. -H. Meng

In this work we augment a Deep Q-Learning agent with a Reward Machine (DQRM) to increase speed of learning vision-based policies for robot tasks, and overcome some of the limitations of DQN that prevent it from converging to good-quality…

Robotics · Computer Science 2021-01-01 Alberto Camacho , Jacob Varley , Deepali Jain , Atil Iscen , Dmitry Kalashnikov

Reinforcement Learning is a highly active research field with promising advancements. In the field of autonomous driving, however, often very simple scenarios are being examined. Common approaches use non-interpretable control commands as…

Machine Learning · Computer Science 2025-05-06 Daniel Bogdoll , Jing Qin , Moritz Nekolla , Ahmed Abouelazm , Tim Joseph , J. Marius Zöllner

Deep reinforcement learning (DRL) provides a promising way for learning navigation in complex autonomous driving scenarios. However, identifying the subtle cues that can indicate drastically different outcomes remains an open problem with…

Machine Learning · Computer Science 2021-03-25 Xiaobai Ma , Jiachen Li , Mykel J. Kochenderfer , David Isele , Kikuo Fujimura

Finding the optimum path for a robot for moving from start to the goal position through obstacles is still a challenging issue. This paper presents a novel path planning method, named D-point trigonometric, based on Q-learning algorithm for…

Artificial Intelligence · Computer Science 2022-11-29 Ehsan Jeihaninejad , Azam Rabiee

The detection of anatomical landmarks is a vital step for medical image analysis and applications for diagnosis, interpretation and guidance. Manual annotation of landmarks is a tedious process that requires domain-specific expertise and…

Computer Vision and Pattern Recognition · Computer Science 2019-07-24 Athanasios Vlontzos , Amir Alansary , Konstantinos Kamnitsas , Daniel Rueckert , Bernhard Kainz

Decision making in dense traffic can be challenging for autonomous vehicles. An autonomous system only relying on predefined road priorities and considering other drivers as moving objects will cause the vehicle to freeze and fail the…

Robotics · Computer Science 2019-06-27 Maxime Bouton , Alireza Nakhaei , Kikuo Fujimura , Mykel J. Kochenderfer

The goal of autonomous vehicles is to navigate public roads safely and comfortably. To enforce safety, traditional planning approaches rely on handcrafted rules to generate trajectories. Machine learning-based systems, on the other hand,…

Reinforcement learning (RL) in autonomous driving employs a trial-and-error mechanism, enhancing robustness in unpredictable environments. However, crafting effective reward functions remains challenging, as conventional approaches rely…

Machine Learning · Computer Science 2025-06-02 Yongming Chen , Miner Chen , Liewen Liao , Mingyang Jiang , Xiang Zuo , Hengrui Zhang , Yuchen Xi , Songan Zhang

Autonomous cars are well known for being vulnerable to adversarial attacks that can compromise the safety of the car and pose danger to other road users. To effectively defend against adversaries, it is required to not only test autonomous…

Artificial Intelligence · Computer Science 2023-02-22 Aizaz Sharif , Dusica Marijan

One less addressed issue of deep reinforcement learning is the lack of generalization capability based on new state and new target, for complex tasks, it is necessary to give the correct strategy and evaluate all possible actions for…

Artificial Intelligence · Computer Science 2018-11-16 Mincong Luo , Yin Tong , Jiachi Liu

Decision-making strategy for autonomous vehicles de-scribes a sequence of driving maneuvers to achieve a certain navigational mission. This paper utilizes the deep reinforcement learning (DRL) method to address the continuous-horizon…

Artificial Intelligence · Computer Science 2023-09-26 Hao Chen , Xiaolin Tang , Teng Liu

Attention mechanisms excel at learning sequential patterns by discriminating data based on relevance and importance. This provides state-of-the-art performance in advanced generative artificial intelligence models. This paper applies this…

Systems and Control · Electrical Eng. & Systems 2026-03-24 Turki Bin Mohaya , Peter Seiler

Humans effortlessly solve pushing tasks in everyday life but unlocking these capabilities remains a challenge in robotics because physics models of these tasks are often inaccurate or unattainable. State-of-the-art data-driven approaches…

Robotics · Computer Science 2021-11-17 Marco Ewerton , Angel Martínez-González , Jean-Marc Odobez