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跨域科技產業創新研究學院
AI 跨域應用研究所
學位論文
學位論文
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http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/124126
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search.filters.author.Chen, Hao
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search.filters.author.陳灝
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search.filters.subject.color electronic paper
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search.filters.subject.color measurement
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search.filters.subject.correlated color temperature
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search.filters.subject.reflected light
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search.filters.subject.反射光
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具環境感知能力的彩色電子紙前光調控
(
2025
)
陳灝
;
Chen, Hao
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本研究旨在針對電泳式顯示器,改良現有之前光模組,結合環境光感測器以獲取環境光資訊,達成自動調整前光亮度以及色溫,並且針對顯示影像作色溫之補償以校正色偏。為達成上述目標,本研究建置一套嵌入式系統方法:採用發光二極體及導光板之前光架構與低功耗微控制器,搭配經校正之環境光感測器,先以對數域回歸估測照度,與透過係數最佳化等方式估測環境相對色溫;再依照照度分段策略與倒數色溫線性混光原理,並以查表方式連續調節前光亮度與色溫;同時在影像處理流程中,以固定參考白點實作色適應轉換以進行白點對應與色溫補償;最後以標準色卡、照度計與分光式色度計進行系統校正與驗證。實驗結果顯示,本系統可於多種環境光源下維持彩色電子紙的亮度、色溫與色域一致性,為未來低功耗、彩色顯示電子書閱讀器提供高可行性的硬體整合方案。
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