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題 名 | 照明劇烈改變下的主觀明度排序=Ranking of the Subjective Lightness under Drastic Illumination Changes |
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作 者 | 林大偉; 孫春望; | 書刊名 | 人因工程學刊 |
卷 期 | 10:2 2009.03[民98.03] |
頁 次 | 頁63-74 |
分類號 | 440.8 |
關鍵詞 | 照明光譜; 色彩資訊量; 主觀明度排序; 色彩識別設計; Illumination spectrum; Color information availability; Subjective lightness ranking; Color identification design; |
語 文 | 中文(Chinese) |
中文摘要 | 在一項劇烈照明改變下進行色彩辨識的任務中,照明光譜和色彩資訊畫所影響的主觀明度排序,是主要的辨識關鍵。若以CIELUV明度爲基礎,將機器所量測而得的明度數據,視爲理論明度序位,而將受測者依序排列色彩樣本的明度順序,視爲主觀明度序位。本研究因此提出三個假設:(1)相對明度假設,表示主觀明度序位完全對應於理論明度序位,同時可以被預測;(2)類比明度假設,表示上述二者之間的關係不完全對應,而且不容易被預測。結果顯示:(1)色彩資訊量並未對於主觀明度排序造成顯著影響;(2)中、長波長照明下,主觀明度排序等同於理論明度排序,支持「相對明度假設」,主觀明度排序可以被輕易預測;(3)短波長照明下,主觀明度排序有別於理論明度排序,支持「類比明度假設」,主觀明度排序不容易被預測。據此,本研究建議:(1)短波長光源之下的色彩識別設計應該避免;(2)增加明度差應該優於增加色相差;(3)採用大於6.0的高標準明度差。 |
英文摘要 | In the evaluation process of perceived colors under the condition of drastic illumination changes, the ranking of the subjective lightness, influenced by the illumination spectrum and the availability of color information, is the key for the color evaluation process. The CIE LUV lightness is used as the basis for determining the measured lightness of the machine, which is regarded as the theoretical lightness ranking. And the lightness ranking of the color samples, determined by the subjects is regarded as the subjective 1ightness ranking. In this study, therefore, we proposed two hypotheses: (1) Relative lightness hypothesis, which means that the subjective 1ightness ranking completely corresponds to the theoretical lightness ranking and thus it can be predicted simu1taneously; (2) Analogous lightness hypothesis, which means that the two rankings do not completely correspond to each other and thus it is difficult to be predicted. The results show that: (1) Differences in the availability of the color information did not significantly influence the subjective lightness ranking; (2) Under the illumination at midd1e and long wave1engths, the subjective lightness ranking is the same as the theoretica1 lightness ranking which supports that under the "re1ative lightness hypothesis", the subjective lightness ranking can be easily predicted; (3) Under the illumination at short wave1engths, the subjective lightness ranking is different from the theoretica1 lightness ranking which supports that under the "analogous lightness hypothesis", the subjective lightness ranking can not be easily predicted. Accordingly, the results in this study suggest that (1) The color identification design under the illumination at short wave1engths should be avoided; (2) The increment of the lightness difference should be superior to the increment of the hue difference; (3) The high-level lightness difference higher than 6.0 should be used. |
本系統中英文摘要資訊取自各篇刊載內容。