Automatic Recognition of Playful Physical Activity Opportunities of the Urban Environment

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A4 Artikkeli konferenssijulkaisussa
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Date

2021-06-01

Department

Department of Computer Science
Department of Architecture
Department of Media

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Language

en

Pages

11

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Academic Mindtrek 2021: Proceedings of the 24th International Conference on Academic Mindtrek, pp. 49-59

Abstract

We investigate deep neural networks in recognizing playful physical activity opportunities of the urban environment. Using transfer learning with a pre-trained Faster R-CNN network, we are able to train a parkour training spot detector with only a few thousand street level photographs. We utilize a simple and efficient annotation scheme that only required a few days of annotation work by parkour hobbyists, and should be easily applicable in other contexts, e.g. skateboarding. The technology is tested through parkour spot exploration and visualization experiments. To inform and motivate the technology development, we also conducted an interview study about what makes an interesting parkour spot and how parkour hobbyists find spots. Our work should be valuable for researchers and practitioners of fields like urban design and exercise video games, e.g., by providing data for a location-based game akin to Pokémon Go, but with parkour-themed gameplay and challenges.

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Keywords

machine learning, parkour, transfer learning, computer vision, urban design, playable cities

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DOI

10.1145/3464327.3464369

Citation

Saloheimo, T, Kaos, M, Fricker, P & Hämäläinen, P 2021, Automatic Recognition of Playful Physical Activity Opportunities of the Urban Environment. in Academic Mindtrek 2021 : Proceedings of the 24th International Conference on Academic Mindtrek. ACM, pp. 49-59, MindTrek Conference, Tampere, Finland, 01/06/2021. https://doi.org/10.1145/3464327.3464369

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https://urn.fi/URN:NBN:fi:aalto-202109229309

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[article-cris] Perustieteiden korkeakoulu / SCI