Název:	CNN-based Game State Detection for a Foosball Table
Autoři:	Hagens, David Knaup, Jan M. Hergenröther, Elke Weinmann, Andreas
Citace zdrojového dokumentu:	Journal of WSCG. 2024, vol. 32, no. 1-2, p. 31-40.
Datum vydání:	2024
Nakladatel:	Václav Skala - UNION Agency
Typ dokumentu:	článek article
URI:	http://hdl.handle.net/11025/57342
ISSN:	1213 – 6972 1213 – 6980 (CD-ROM) 1213 – 6964 (on-line)
Klíčová slova:	detekce stavu hry;počítačové vidění;hluboké učení;stolní fotbal;hluboké posílení učení;imitační učení
Klíčová slova v dalším jazyce:	game state detection;computer vision;deep learning;foosball;deep reinforcement learning;imitation learning
Abstrakt v dalším jazyce:	The automation of games using Deep Reinforcement Learning Strategies (DRL) is a well-known challenge in AI research. While for feature extraction in a video game typically the whole image is used, this is hardly practical for many real world games. Instead, using a smaller game state reducing the dimension of the parameter space to include essential parameters only seems to be a promising approach. In the game of Foosball, a compact and comprehensive game state description consists of the positional shifts and rotations of the figures and the position of the ball over time. In particular, velocities and accelerations can be derived from consecutive time samples of the game state. In this paper, a figure detection system to determine the game state in Foosball is presented. We capture a dataset containing the rotations of the rods which were measured using accelerometers and the positional shifts were derived using traditional Computer Vision techniques (in a laboratory setting). This dataset is utilized to train Convolutional Neural Network (CNN) based end-to-end regression models to predict the rotations and shifts of each rod. We present an evaluation of our system using different state-of-the-art CNNs as base architectures for the regression model. We show that our system is able to predict the game state with high accuracy. By providing data for both black and white teams, the presented system is intended to provide the required data for future developments of Imitation Learning techniques w.r.t. to observing human players.
Práva:	© Václav Skala - UNION Agency
Vyskytuje se v kolekcích:	Volume 32, number 1-2 (2024)

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