精準色彩取像與顯示系統之設計與製作

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黃品端(Pin-Duan Huang) 查詢紙本館藏

畢業系所

光電科學與工程學系

論文名稱

精準色彩取像與顯示系統之設計與製作
(Design and Fabrication of an Imaging and Display System with Color Fidelity)

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摘要(中)

現代牙醫製作假牙時，於牙體色彩評估階段，經常採用比色版系統，由於此系統已經沿用多年，相關的比色技術與訓練也已經相當成熟。主要問題在於，牙技師需要的相當長期訓練，才能完成足夠精準的比色；另一方面，色版本身的數量並不足以精準形容臨床上幾百種的齒色，只能透過經驗判斷中間色，這種方法引入大量的人為判斷，經常因個體差異造成不同的比色結果。
本論文提供一套牙齒精準比色系統，嘗試透過輕巧簡便且精準的取色系統，於牙醫師端將臨床牙色記錄下來，並提供此資訊給牙技師。牙技師透過系統中的顯色螢幕與顯色燈，觀察還原的色彩，其效果如同於臨床現場與患者進行牙色比對。

摘要(英)

In modern denture industry, using denture shade guide is a popular way to evaluate tooth color. This technique has been developed for decades, and there is a mature training system for dental technicians. Although shade guide is a well-developed system, dental technicians still need years of training to evaluate tooth color accurately. Another issue is that the number of is not enough for clinical use. Dental technicians have to “guess” the color when the color is not matching the shade guide. A well-trained dental technician can sometimes “guess” accurately, so this is not a scientific way, which involve human factor, to evaluate color.
Our team design an imaging and display system. Try to use a capture system to record color information, and pass it to a display system for dental technician. The display system can accurately recover the captured color which is like we are watching the tooth color of the patient in clinic.

關鍵字(中)

★ 精準取色系統
★ 精準顯色系統
★ 比色系統

關鍵字(英)

★ Imaging system with color fidelity
★ Display system with color fidelity
★ Shade matching system

論文目次

摘要 I
ABSTRACT II
致謝 III
目錄 IV
圖目錄 VII
表目錄 XI
符號說明 XII
第一章緒論 1
1-1 牙醫比色系統之技術簡介 1
1-2 研究動機 3
第二章基礎原理 5
2-1 光度學 5
2-2 色彩光學原理 8
2-2-1 混色系統與色彩空間 10
2-2-2 色溫與相關色溫 13
2-2-3 顏色差異 14
2-3 相機取色與螢幕顯色原理 15
2-4 數位影像修復演算法 16
第三章精準色彩取像與顯示系統 18
3-1 系統設計原理 19
3-2 取色儀之設計原理與製作 20
3-2-1 取色儀之光源設計 20
3-2-2 取色儀之光源製作 24
3-2-3 取色儀之輝度與灰階校正 27
3-2-4 取色儀之反光點修正 28
3-3 顯色螢幕之設計原理與製作 32
3-3-1 顯色螢幕之設計與製作 32
3-3-2 顯色螢幕之灰階與輝度校正 36
3-4 顯色燈與工作燈之設計原理與製作 37
3-4-1 顯色燈與工作燈之設計與製作 38
3-4-2 顯色燈與工作燈之定電流電源 43
第四章系統之校正與驗證 48
4-1 白光色溫校正 48
4-2 色度校正 49
4-3 系統驗證 57
第五章結論 62
參考文獻 64
中英名詞對照表 69

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指導教授

楊宗勳孫慶成余業緯(Tsung-Hsun Yang Ching-Cherng Sun Yeh-Wei Yu)

審核日期

2021-9-2

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