| dc.contributor.advisor | 何瑁鎧 | zh_TW |
| dc.contributor.advisor | Hor, Maw-Kae | en_US |
| dc.contributor.author (Authors) | 王智潁 | zh_TW |
| dc.contributor.author (Authors) | Wang, Chih-Ying | en_US |
| dc.creator (作者) | 王智潁 | zh_TW |
| dc.creator (作者) | Wang, Chih-Ying | en_US |
| dc.date (日期) | 2004 | en_US |
| dc.date.accessioned | 17-Sep-2009 14:06:44 (UTC+8) | - |
| dc.date.available | 17-Sep-2009 14:06:44 (UTC+8) | - |
| dc.date.issued (上傳時間) | 17-Sep-2009 14:06:44 (UTC+8) | - |
| dc.identifier (Other Identifiers) | G0917530161 | en_US |
| dc.identifier.uri (URI) | https://nccur.lib.nccu.edu.tw/handle/140.119/32711 | - |
| dc.description (描述) | 國立政治大學 | zh_TW |
| dc.description (描述) | 資訊科學學系 | zh_TW |
| dc.description (描述) | 91753016 | zh_TW |
| dc.description (描述) | 93 | zh_TW |
| dc.description.abstract (摘要) | 「動跡剪輯」是將多個不同內容的影片片段，根據影片中特定物體移動的關係，剪接成新的影片，使得產生的新影片能維持動作連貫及流暢的特性。本論文提出一套方法能夠自動找尋不同影片間相似的剪輯點，作為「動跡剪輯」的參考。此方法之重點在於建立影片的時空資訊，作為找尋剪輯點的依據。建立影片時空資訊的過程中，我們先將影片依偵測出的鏡頭轉換點分割成不同的影片片段，再將影片片段中前景物件的位置、大小與動作等資訊分離而成影片物件平面，並結合影片片段中的背景動作資訊與影片物件平面資訊，成為該影片片段之時空資訊，從而進行剪輯點之找尋與比對，擇其最佳點進行剪輯。運用影片時空資訊於找尋影片間之剪輯點時，是以影片物件平面作為搜尋單位，此方式有助於提升結果的正確性，同時也提供了搜尋時的靈活度。 | zh_TW |
| dc.description.abstract (摘要) | With the rapid increasing of the multimedia applications in modern commercial and movie business, it becomes more desirable to have efficient video editing tools. However, conventional video editing requires too many manual interventions that reduce productivities as well as opportunities in better performance.In this thesis, we propose a MOtion-based Video Editing (MOVE) mechanism that can automatically select the most similar or suitable transition points from a given set of raw videos. A given video can be divided into a set of video clips using a shot detection algorithm. For each video clip, we provide an algorithm that can separate the global motions as well as the local motions using the principles of video object plane and accumulated difference. We introduce the concept of spatio-temporal information, a condensed information that associated with a video clip. We can use this information in finding a good video editing point. Since the spatio-temporal information is a concise representation of a video clip, searching in this domain will reduce the complexity of the problem and achieve better performance. We implemented our mechanism with successful experiments. | en_US |
| dc.description.tableofcontents | 第一章 緒論1.1 簡介1.2 問題描述1.3 研究動機1.4 本論文的貢獻1.5 章節架構第二章 相關研究第三章 影片時空資訊的取得3.1 影片物件平面3.2 時空資訊3.3 動作偵測3.3.1 動作模型3.3.2 梯度下降法3.3.3 全域動作偵測3.3.4 區域動作偵測3.4 影片物件平面建立3.4.1 前景與背景分離3.4.2 像素分群3.4.3 物件平面追蹤3.5 時空資訊與動跡剪輯第四章 動跡剪輯系統架構4.1 鏡頭轉換偵測4.2 時空資訊建立4.3 初步影片比較4.4 影片配對評分4.5 複雜度分析第五章 實驗5.1 實驗一：找尋影片間的動跡剪輯點5.2 實驗二：全域動作偵測與鏡頭轉換偵測第六章 總結6.1 結論6.2 未來展望參考文獻 | zh_TW |
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| dc.language.iso | en_US | - |
| dc.source.uri (資料來源) | http://thesis.lib.nccu.edu.tw/record/#G0917530161 | en_US |
| dc.subject (關鍵詞) | 視訊處理 | zh_TW |
| dc.subject (關鍵詞) | 影片剪輯 | zh_TW |
| dc.subject (關鍵詞) | 全域動作計算 | zh_TW |
| dc.subject (關鍵詞) | video process | en_US |
| dc.subject (關鍵詞) | video editing | en_US |
| dc.subject (關鍵詞) | global motion estimation | en_US |
| dc.title (題名) | 影片動跡剪輯 | zh_TW |
| dc.type (資料類型) | thesis | en |
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