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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.Chung-Hsien, Yu
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search.filters.author.游重賢
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search.filters.subject.Hough transform
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search.filters.subject.Edge detection
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search.filters.subject.Elliptical ROI
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search.filters.subject.Lane detection
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search.filters.subject.橢圓形感興趣區域
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採用改良式橢圓形感興趣區域與Sobel邊緣偵測之低躁動車道線偵測
(
2013
)
游重賢
;
Chung-Hsien, Yu
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本論文使用垂直方向的Sobel邊緣偵測和雜訊濾波器來改善車道線追蹤時所產生的躁動問題。因為改善了躁動問題,準確率也獲得了改善。此外透過縮減影像空間處理的區域和合理的縮減橢圓形感興趣區域的大小,進而有效地提升了車道線偵測系統的處理速度。 透過實驗分析比較結果,在晴天、夜晚與雨天的情況底下皆能獲得有效的改善。實驗使用640 × 480大小的影片測試,每秒約可處理55~60張畫面,提升了約71%左右,整體的準確率方面也由原先的96.19%,提升至97.07%。
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