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研究生: 楊正國
Yang, Cheng-Kuo
論文名稱: 不同製造商的液晶顯示器之色彩再現-以電玩為例
LCD Monitor Color Reproduction from Different Manufactures: A Case Study of Arcade Game
指導教授: 侯廷偉
Hou, Ting-Wei
學位類別: 碩士
Master
系所名稱: 工學院 - 工程科學系碩士在職專班
Department of Engineering Science (on the job class)
論文出版年: 2016
畢業學年度: 104
語文別: 中文
論文頁數: 94
中文關鍵詞: 液晶顯示器伽瑪校正色溫
外文關鍵詞: LCD monitor, Gamma correction, Color temperature
相關次數: 點閱:99下載:4
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  • 本研究以遊戲市場所採用的電玩顯示器為例,針對顯示器製造商可調整色彩的參數,提供一套系統性的流程調整作業,使遊戲設計師原創的遊戲顏色與畫質能被忠實呈現於電玩顯示器上。本研究就此作業提出兩種新的調校方法,使得電玩顯示器顯色可以逼近原創畫面。

    本研究以不同顯示器的面板做為實驗樣本,以同樣的控制器搭配不同面板組成的電玩顯示器,進行伽瑪曲線、亮度以及色溫的調校,並計算調整後的顏色差異性,測量兩款不同顯示器的數據及調整色彩時間為30分鐘。透過20組不同面板搭配相同顯示器晶片所做的實驗結果顯示,不同顯示器之間的灰階色差(Gray color difference)值,可測量到比原有的調整方法更低的色差值,並且能使誤差值(Delta E)低於3以下,優於現有常用之調整方法,達成其色彩再現的目的。

    This research is to propose a method to optimize some color displays (monitors) by adjusting factory’s programmable parameters to approximate the original game designer’s display, in color and picture quality. Eventually, two new methods are proposed.
    A few different (panel) displays were selected as experimental samples and combined with the same controller in the proposed methods in finding the best values of brightness, Gamma curve, and color temperature. The process of measurements between two different panel displays and color adjustment took up to 30 minutes. Based on 20 sets of experimental data on various display panels, under the same controller, the proposed two new methods got the values for ‘gray color differences’ smaller than the known two textbook methods of color adjustments. Also, the lowers discrepancy values (Delta E) were all below 3 which were also even better than the two known methods.

    摘要 I Extended Abstract II 致謝 VIII 目錄 IX 表目錄 XI 圖目錄 XII Chapter 1緒論 1 1.1 研究動機以及背景 1 1.2 論文架構 2 Chapter 2影像色彩理論與液晶顯示器 3 2.1 人眼視覺與色彩原理 3 2.2 CIE標準色度系統 6 2.2.1 CIE RGB表色系統 6 2.2.2 CIE XYZ表色系統 6 2.2.3 CIE Lxy表色系統 7 2.2.4 CIE Lab色彩空間 8 2.2.5 CIE Lab色差公式 9 2.3混色原理 10 2.3.1 加法混色 10 2.3.2 減法混色 11 2.4 Gamma曲線 12 2.5 色溫 13 2.6 液晶顯示器 15 2.6.1 液晶面板顯示原理 15 2.6.2 彩色濾光片的排列 17 2.7 液晶顯示器架構 20 Chapter 3系統架構 23 3.1 設計理念 23 3.2 色彩測量系統框架圖 24 3.3 色彩調整系統循序圖 25 3.4 顯示器控制器架構 26 3.5 測量顯示器Gamma Curve步驟 28 3.6 調整顯示器Gamma Curve步驟 29 3.7 調整顯示器Color Temperature步驟 29 3.8 調整顯示器Brightness步驟 31 3.9 測量以及調整顯示器色彩的步驟 32 3.10測量以及調整顯示器色彩的方法 33 3.10.1 顯示器原始測量值 34 3.10.2 顯示器調色演算法 35 3.10.3 顯示器色彩誤差計算 47 Chapter 4 實作與成果 50 4.1 實驗平台 50 4.1.1 實驗設備 51 4.1.2 Color Analyzer功能 53 4.2調色實驗 54 4.2.1 色彩調整作法 54 4.2.2 實驗步驟 54 4.2.3 實驗過程 55 4.3 實驗結果 59 Chapter 5 結論與未來方向 67 5.1 結論 67 5.2 未來方向 68 參考文獻 69 附錄 73 附錄1 遊戲設計師與電玩顯示器原始測量數據 73 附錄2 遊戲設計師與電玩顯示器256階灰階色差 88

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