著者

吉川 一輝 大橋 拓実 小嶌 健仁 本多 悠真 石尾 広武 高田 真澄 大森 正子 宮尾 克

出版者

日本衛生学会

雑誌

日本衛生学雑誌 (ISSN:00215082)

巻号頁・発行日

vol.71, no.1, pp.12-18, 2016 (Released:2016-01-30)

参考文献数

22

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Objectives: Recent advances in three-dimensional (3D) display technology have contributed significantly to society, particularly in the increasing use of stereoscopic characters. For example, 3D text information is utilized in digital signage. However, research on 3D characters is limited and discussion on the safety and comfort of 3D technology is lacking. According to the 3D Consortium Safety Guidelines in Japan, a comfortable visual parallax with 3D images is less than ±1.0°. However, 3D text must be shown in front of its associated content in order for it to be displayed simultaneously with that content. Methods: We carried out an experiments to verify the permissive limits of cognition in subjects regarding the parallax of 3D images. In the experiment, 94 subjects aged 18 to 81 viewed a 3D flat Maltess cross image having no depth and projected outward from a screen at a large parallax of 1.0° to 6.0°. Results: Eighty-six percent of the subjects recognized the 3D flat image even when it protruded at a 2.0° parallax. These subjects viewed the image comfortably and without visual problems. Conclusions: This study concludes that people can cognitively recognize a 3D telop at a 2.0° parallax without feeling fatigued.

著者

石尾 広武 福田 正己 堤 行彦 澤田 結基

出版者

福山市立大学都市経営学部

雑誌

都市経営 : 福山市立大学都市経営学部紀要 = Urban management : bulletin of the Faculty of Urban Management, Fukuyama City University (ISSN:2186862X)

巻号頁・発行日

no.8, pp.97-104, 2015

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災害に関わる情報を地域住民に早く分かり易く伝えることは,自治体の重要な防災対策の一つである.そこで本研究では,情報弱者を含む地域住民へより効果的に災害情報を伝える方法について,他市の事例も参考にしながら検討を行った.自治体や町内会,コミュニティFM放送局への聞き取り調査によって,(ⅰ)Lアラート(公共情報コモンズ)の一層の活用,(ⅱ)緊急時のFM放送自動化,(ⅲ)緊急速報メールにおける自動読み上げソフト導入の重要性が明らかになった.It is one of the important disaster-prevention measures of local governments that they notify local residents of disaster information as quickly and understandably as possible. In the study, referring to cases of some other cities, we considered more eff ective methods for disaster information notifi cation to local residents including information illiterates, i.e., those with inadequate access to information. By hearing investigations of local governments and neighborhood associations as well as community-based FM broadcast radio stations, we have found the importance of (i) enhanced use of L-Alert (Public Information Commons), (ii) automatization of FM broadcast in an emergency and (iii) introduction of automated reading out software of an emergency alert email sent to people in a specifi c area.