講演抄録/キーワード |
講演名 |
2020-02-08 15:00
指向性光と拡散光の組み合わせが布地の明度知覚及び感性評価に与える影響 ○玉根昭一・髙橋直哉・石川智治(宇都宮大)・溝上陽子(千葉大)・阿山みよし(宇都宮大) |
抄録 |
(和) |
本研究では,LED照明の指向性光と拡散光の組み合わせが布地の明度マッチング,及び対象物が置かれたシーン(情景)の感性評価に及ぼす影響を調査した.大きな円筒を水平に置き,その側壁表面をトレーシングペーパーで覆った.対象物は円筒の底に置かれた無彩色布地である.指向性光と拡散光照度の4つの組み合わせを照明条件とした.感性評価では,「光沢感のない‐光沢感のある」,「地味な‐派手な」,「暗い‐明るい」,「重そうな‐軽そうな」,「現実的な‐幻想的な」などの10個の評価語対を採用した.明度マッチング(明るい)では光沢あり布地の時,拡散光のみの場合,光沢なし布地よりも高明度に知覚されている.感性評価の結果,布地の評価語対によっては光沢の有無により拡散光の影響が大きい場合と指向性光の影響が大きい場合などに分かれた. |
(英) |
In this study, we investigated the effect of the combination of directional light and diffused light of LED lighting on the brightness matching of fabrics and the KANSEI evaluation of scenes where objects were placed. A large cylinder was placed horizontally and the side wall surface was covered with tracing paper. The object is an achromatic fabric placed at the bottom of the cylinder. Four combinations of directional and diffused lights illuminance were used as illumination conditions. In the KANSEI evaluation, " non-glossy vs glossy ", "plain vs showy", "dark vs bright", "heavy vs light", "realistic vs fantastic", etc. The 10 adjective pairs were adopted. In lightness matching (bright), a glossy fabric is perceived as a higher brightness than a non-glossy fabric when only diffused light is used. As a result of kansei evaluation, depending on the evaluation word pairs of the fabric, there were cases where the effect of diffused light was large and the case of directional light was large depending on the presence or absence of gloss. |
キーワード |
(和) |
LED照明 / 指向性光 / 拡散光 / 明度マッチング / 感性評価 / / / |
(英) |
LED lighting / directional light / diffused light / brightness matching / KANSEI evaluation / / / |
文献情報 |
映情学技報, vol. 44, no. 4, ME2020-21, pp. 71-74, 2020年2月. |
資料番号 |
ME2020-21 |
発行日 |
2020-02-01 (ME) |
ISSN |
Print edition: ISSN 1342-6893 Online edition: ISSN 2424-1970 |
PDFダウンロード |
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