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科技與工程學院
電機工程學系
學位論文
學位論文
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http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/73890
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search.filters.author.LIOU, Cheng-Yue
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search.filters.author.劉晟岳
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search.filters.subject.object detection
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search.filters.subject.Dark Channel priors
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search.filters.subject.Gray World Algorithms
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search.filters.subject.Low-light image enhancement
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search.filters.subject.增強低光源影像
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基於暗通道先驗之疊代神經網路應用於低光圖像增強
(
2022
)
劉晟岳
;
LIOU, Cheng-Yue
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本論文研製一新穎的架構。稱為疊代低光影像增強網路,它使用暗通道先驗來增強低光源影像。我們透過觀察得知負片後之低光影像類色彩分佈似於含霧影像。因此,本論文所提出的架構遵循這個假設來恢復低光圖像。此外,我們還使用灰度世界算法來改善色彩偏移的問題。通過疊代,本架構可以得到亮度足夠的前處理影像。隨後,本論文使用自動編碼器進一步提高最終輸出影像的質量。由實驗結果可以表明,所提出的此方法可以處理各種光照條件,並且輸出效果優於現有方法。由所進行的實驗可以證明,提出之輕量化架構不僅減輕硬體設備之負擔還可以顯著提高物件偵測的性能,以便後續與高階電腦視覺任務的配合。
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