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Comparing Subjective and Objective Evaluations of the Ratio of Visible Green

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Advances in Industrial Design (AHFE 2020)

Part of the book series: Advances in Intelligent Systems and Computing ((AISC,volume 1202))

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Abstract

Ratio of visible green is known as one of the important indicators of comfort of the city. The ratio of the green area in the image, generally calculated by counting green pixels in the image of a digital camera. We named the ratio as “objective ratio of the visible green” in contrast to the ratio named “subjective ratio of the visible green” which is answered by the person who evaluated the ratio of green amount by looking at the image. Our interests are the difference between the two and the individual differences of subjective ratio of visible green. We conducted an experiment to present multiple images with different ratio of visible green for 30 people. The subjective ratio of visible green tends to be evaluated greater than the objective one. In addition, using multiple regression analysis, we showed that characteristics of the image of a digital camera and individual characteristics affect the differences.

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References

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Authors and Affiliations

  1. Advances in Civil and Environmental Engineering, Chuo University, Tokyo, 112-8551, Japan

    Momoko Kawakami & Masayoshi Tanishita

  2. SIT Research Laboratory, Shibaura Institute of Technology, Tokyo, 135-8548, Japan

    Michiko Ohokura

Authors
  1. Momoko Kawakami
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  2. Masayoshi Tanishita
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  3. Michiko Ohokura
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Corresponding author

Correspondence to Momoko Kawakami .

Editor information

Editors and Affiliations

  1. Dipartimento di Architettura, Universitàdegli Studi G.d’Annunzio”, Pescara, Pescara, Italy

    Giuseppe Di Bucchianico

  2. Department of Industrial Design, University of Illinois at Urbana Champaign, Champaign, IL, USA

    Cliff Sungsoo Shin

  3. University of Notre Dame, Indiana, IN, USA

    Scott Shim

  4. System Design and Management, Keio University, Tokyo, Japan

    Shuichi Fukuda

  5. Faculty of Architecture, University of Lisbon, Lisboa, Portugal

    Gianni Montagna

  6. Faculty of Architecture, University of Lisbon, Lisboa, Portugal

    Cristina Carvalho

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© 2020 The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerland AG

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Kawakami, M., Tanishita, M., Ohokura, M. (2020). Comparing Subjective and Objective Evaluations of the Ratio of Visible Green. In: Di Bucchianico, G., Shin, C., Shim, S., Fukuda, S., Montagna, G., Carvalho, C. (eds) Advances in Industrial Design. AHFE 2020. Advances in Intelligent Systems and Computing, vol 1202. Springer, Cham. https://doi.org/10.1007/978-3-030-51194-4_126

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  • DOI: https://doi.org/10.1007/978-3-030-51194-4_126

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-51193-7

  • Online ISBN: 978-3-030-51194-4

  • eBook Packages: EngineeringEngineering (R0)

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