研究生: |
洪紹棠 Shao-tang Hung |
---|---|
論文名稱: |
光源喜好度之記憶色再現研究 A Study of Representative Memory Colors on Illuminant Preference |
指導教授: |
陳鴻興
Hung-Shing Chen 孫沛立 Pei-Li Sun |
口試委員: |
溫照華
Chao-Hua Wen 詹文鑫 none |
學位類別: |
碩士 Master |
系所名稱: |
應用科技學院 - 色彩與照明科技研究所 Graduate Institute of Color and Illumination Technology |
論文出版年: | 2013 |
畢業學年度: | 101 |
語文別: | 中文 |
論文頁數: | 93 |
中文關鍵詞: | 演色指數 、色彩喜好 、記憶色模式 |
外文關鍵詞: | Color rendering index, Color preference, Memory color model |
相關次數: | 點閱:480 下載:20 |
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演色公式是建立顯色預測工具以評估照明光源優劣的標準數學模式,目前CIE演色指數被廣泛使用已有40餘年,主要針對傳統鎢絲燈與螢光燈所設計,計算部分是採用老舊的CIE演色公式(CIE-Ra);隨著新式光源的崛起,CIE-Ra被多樣實驗證明,其準確度低下,無法正確預測色外貌與評價光源;工業界已有共識,以建立適用於LED與傳統光源的演色公式為目標,進行研究。
演色性領域分為五大研究方向:色彩忠實度、色彩調和度、色彩喜好度、色彩辨識度、色彩視見度,目前雖然以色彩忠實度為標準公式,但色彩喜好度逐漸被重視,已被CIE公認,將做為評估光源的另一方法。
由於受光源調變繁瑣,長時間光照下物體易變色等諸多原因影響,讓在光源直射下,不易進行物體之喜好色實驗,因此本論文將從顯示器領域切入,以色溫6500 K的濾波鎢絲燈為標準照明源,相機拍攝各式實體物體顯示於標準螢幕,進行視覺評價實驗,與此同時,參考記憶色之高斯分布模式,提出新式三維曲面內插演算法,改善喜好度預測模式,未來期望以此研究為基礎,應用於LED照明領域與建立適合東方人的記憶色模式。
Color rendering index (CRI) is a predicting standard math method to evaluate light quality. The current CIE CRI (CIE-Ra) has been used for 40 years, which was developed based on the solving tungsten light and fluorescent evaluation. The CIE-Ra method is out-of-date and obsolete. Follow the new light sources to use on the increase, CIE-Ra has been proved, the color prediction was inaccurate, the method couldn’t evaluate the light source and color appearance. Therefore, the global lighting industries are aware that it is necessarily to define a new color rendering formula.
The developing color rendering methods include the directions of color fidelity, color harmony, color preference, color discrimination and color vision. In spite of, the standard formula use color fidelity, but color preference has been focused and accepted, CIE has recognized to be an evaluation light method.
Due to encounter the optical instruments issues, the study will use monitor simulation to research color preference, the selected color objects will be captured by a top quality camera and displayed on a well-calibrated monitor, and finish the visual experiments to establish an interpolated model that based on color preference. In the future, the experimental results hope to contribute to determine light quality guideline. In addition, the method is used in LED illuminant field and built a memory color model fit for the oriental region.
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