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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.Lee, Shao-Yu
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search.filters.author.李少榆
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search.filters.subject.低光/背光人臉偵測
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search.filters.subject.Edge Computing
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search.filters.subject.Lightweight Models
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search.filters.subject.Low‐light/Backlit Face Detection
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search.filters.subject.Tone Mapping
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Subject: search.filters.subject.低光/背光人臉偵測
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基於色調映射與模型可解釋性技術的人臉偵測優化
(
2025
)
李少榆
;
Lee, Shao-Yu
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邊緣攝影機在極端背光與低光環境下,因對比失衡與雜訊升高,常導致人臉偵測表現顯著退化。本研究以全域與區域色調映射為核心,結合輕量化偵測器進行系統性評估與消融,聚焦於「前端影像增益」與「小樣本重新訓練」的相對效益與互補效應。結果顯示,在背光與低光影像集中,最佳組合可將檢測精度由 11.6% 提升至 50.7 % ,並明顯改善困難區域的人臉可見度與穩定性。基於此結論,我們提出適用於資源受限情境的實作指引,說明前端增益與輕量偵測的搭配原則與取捨,提供可部署方案,並為後續自適應色調映射與輕量偵測器的協同設計奠定基礎。
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