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Please use this identifier to cite or link to this item: http://scholars.ntou.edu.tw/handle/123456789/13820
Title: Analysis of Surface Circulation in Yin-Yang Bay Using Digital Camera Imagery
Authors: 鄭志文
謝坤成
何宗儒 
趙彥豪
Keywords: 遙測;數位相機;特徵追蹤法;表面流場;陰陽海;Remote Sensing;Digital Camera;Feature Tracking Method;Surface Circulation;Yin-Yang Bay
Issue Date: 2014
Source: 鄭志文(Zheng-Wen C, 謝坤成(Kun-Cheng H, 何宗儒(Chung-Ru H, & 趙彥豪(Yan-Hao C (2014). Analysis of Surface Circulation in Yin-Yang Bay Using Digital Camera Imagery. 航測及遙測學刊, 18(3), 175-183. https://doi.org/10.6574/JPRS.2014.18
Journal Volume: 18
Journal Issue: 3
Start page/Pages: 175-183
Source: 航測及遙測學刊
Abstract: 
本研究旨在驗證應用數位相機拍攝之影像配合影像特徵追蹤法,推估台灣東北角海域陰陽海之表面流速之可行性。拍攝之影像必須經幾何轉換、影像平滑、邊緣偵測等影像前處理,方能進行後續之特徵位移判定。本文採用主觀目測與客觀最大交相關法(Maximum Cross Correlation)個別針對經由前述處理後之影像進行影像特徵位移之判定,以計算出兩不同方法推估之海面特徵之移動速度。經比較發現,由兩方法所推估之流速與前人實測的流速極為接近,因此證實利用數位相機針對特定區域進行長期流場觀測的可行性。此外,配合客觀最大交相關法的運用,整個流程將可全數自動化進行,可節省進行表面流場觀測時所需之人力與物力的花費。
URI: http://scholars.ntou.edu.tw/handle/123456789/13820
DOI: http://192.83.186.15/cgi-bin/gs32/gsweb.cgi?o=dnclresource&s=id=%22A15017785%22.&searchmode=basic&tcihsspage=tcisearch_opt1_search
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Appears in Collections:海洋環境資訊系

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