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2020 | OriginalPaper | Chapter

Comparing Subjective and Objective Evaluations of the Ratio of Visible Green

Authors : Momoko Kawakami, Masayoshi Tanishita, Michiko Ohokura

Published in: Advances in Industrial Design

Publisher: Springer International Publishing

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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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Metadata
Title
Comparing Subjective and Objective Evaluations of the Ratio of Visible Green
Authors
Momoko Kawakami
Masayoshi Tanishita
Michiko Ohokura
Copyright Year
2020
DOI
https://doi.org/10.1007/978-3-030-51194-4_126

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