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This paper presents a model for dynamic adjustment of the motivation degree, using a reinforcement learning approach, in an action selection mechanism previously developed by the authors. The learning takes place in the modification of a…

Artificial Intelligence · Computer Science 2007-05-23 Carlos Gershenson , Pedro Pablo Gonzalez

Methods for dynamic difficulty adjustment allow games to be tailored to particular players to maximize their engagement. However, current methods often only modify a limited set of game features such as the difficulty of the opponents, or…

Artificial Intelligence · Computer Science 2020-06-29 Miguel González-Duque , Rasmus Berg Palm , David Ha , Sebastian Risi

We present a novel technique called Dynamic Experience Replay (DER) that allows Reinforcement Learning (RL) algorithms to use experience replay samples not only from human demonstrations but also successful transitions generated by RL…

Artificial Intelligence · Computer Science 2020-10-19 Jieliang Luo , Hui Li

This paper introduces Video2MR, a mixed reality system that automatically generates 3D sports and exercise instructions from 2D videos. Mixed reality instructions have great potential for physical training, but existing works require…

Human-Computer Interaction · Computer Science 2024-05-30 Keiichi Ihara , Kyzyl Monteiro , Mehrad Faridan , Rubaiat Habib Kazi , Ryo Suzuki

Deep reinforcement learning (RL) has shown impressive results in a variety of domains, learning directly from high-dimensional sensory streams. However, when neural networks are trained in a fixed environment, such as a single level in a…

Machine Learning · Computer Science 2018-11-30 Niels Justesen , Ruben Rodriguez Torrado , Philip Bontrager , Ahmed Khalifa , Julian Togelius , Sebastian Risi

Procedurally generated video game content has the potential to drastically reduce the content creation budget of game developers and large studios. However, adoption is hindered by limitations such as slow generation, as well as low quality…

Neural and Evolutionary Computing · Computer Science 2022-04-15 Michael Beukman , Christopher W Cleghorn , Steven James

We investigate how reinforcement learning can be used to train level-designing agents. This represents a new approach to procedural content generation in games, where level design is framed as a game, and the content generator itself is…

Machine Learning · Computer Science 2020-08-14 Ahmed Khalifa , Philip Bontrager , Sam Earle , Julian Togelius

We introduce a procedural content generation (PCG) framework at the intersections of experience-driven PCG and PCG via reinforcement learning, named ED(PCG)RL, EDRL in short. EDRL is able to teach RL designers to generate endless playable…

Artificial Intelligence · Computer Science 2021-07-06 Tianye Shu , Jialin Liu , Georgios N. Yannakakis

We propose Ephemeral Value Adjusments (EVA): a means of allowing deep reinforcement learning agents to rapidly adapt to experience in their replay buffer. EVA shifts the value predicted by a neural network with an estimate of the value…

Machine Learning · Computer Science 2018-10-19 Steven Hansen , Pablo Sprechmann , Alexander Pritzel , André Barreto , Charles Blundell

This paper describes an avenue for artificial and computational intelligence techniques applied within games research to be deployed for purposes of physical therapy. We provide an overview of prototypical research focussed on the…

Artificial Intelligence · Computer Science 2018-04-26 Shabnam Sadeghi Esfahlani , Tommy Thompson

Many exergames face challenges in keeping users within safe and effective intensity levels during exercise. Meanwhile, although wearable devices continuously collect physiological data, this information is seldom leveraged for real-time…

Human-Computer Interaction · Computer Science 2025-08-19 Oliver Hein , Sandra Wackerl , Changkun Ou , Florian Alt , Francesco Chiossi

In recent years, Virtual Reality (VR) has found its way into different fields besides pure entertainment. One of the topics that can benefit from the immersive experience of VR is education. Furthermore, using game-based approaches in…

Human-Computer Interaction · Computer Science 2024-07-09 Georg Arbesser-Rastburg , Saeed Safikhani , Matej Gustin , Christina Hopfe , Gerald Schweiger , Johanna Pirker

The development of deep reinforcement learning (DRL) has benefited from the emergency of a variety type of game environments where new challenging problems are proposed and new algorithms can be tested safely and quickly, such as Board…

Artificial Intelligence · Computer Science 2020-12-08 Hangtian Jia , Yujing Hu , Yingfeng Chen , Chunxu Ren , Tangjie Lv , Changjie Fan , Chongjie Zhang

Fire keeps claiming a large number of victims in building fires. Although there are ways to minimize such events, fire drills are used to train the building occupants for emergency situations. However, organizing and implement these…

The wider application of end-to-end learning methods to embodied decision-making domains remains bottlenecked by their reliance on a superabundance of training data representative of the target domain. Meta-reinforcement learning (meta-RL)…

Machine Learning · Computer Science 2024-11-08 Robby Costales , Stefanos Nikolaidis

Efficient exploration remains a challenging problem in reinforcement learning, especially for tasks where extrinsic rewards from environments are sparse or even totally disregarded. Significant advances based on intrinsic motivation show…

Machine Learning · Computer Science 2024-04-03 Chenjia Bai , Peng Liu , Kaiyu Liu , Lingxiao Wang , Yingnan Zhao , Lei Han

Video generative models can be regarded as world simulators due to their ability to capture dynamic, continuous changes inherent in real-world environments. These models integrate high-dimensional information across visual, temporal,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Hengyuan Cao , Yutong Feng , Biao Gong , Yijing Tian , Yunhong Lu , Chuang Liu , Bin Wang

Reinforcement learning (RL) has been successful in training agents in various learning environments, including video-games. However, such work modifies and shrinks the action space from the game's original. This is to avoid trying…

Artificial Intelligence · Computer Science 2020-05-27 Anssi Kanervisto , Christian Scheller , Ville Hautamäki

Reinforcement Learning is an area of Machine Learning focused on how agents can be trained to make sequential decisions, and achieve a particular goal within an arbitrary environment. While learning, they repeatedly take actions based on…

We present a web application for the procedural generation of transformations of 3D models. We generate the transformations by algorithmically generating the vertex shaders of the 3D models. The vertex shaders are created with an…

Graphics · Computer Science 2016-08-30 Juan C. Quiroz , Sergiu M. Dascalu