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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 吳家麟(Ja-Ling Wu) | |
| dc.contributor.author | Chun-Yu Yang | en |
| dc.contributor.author | 楊竣宇 | zh_TW |
| dc.date.accessioned | 2021-06-16T10:34:44Z | - |
| dc.date.available | 2016-08-22 | |
| dc.date.copyright | 2013-08-22 | |
| dc.date.issued | 2013 | |
| dc.date.submitted | 2013-08-14 | |
| dc.identifier.citation | [1] http://www.mpaa.org/.
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Barni, editors, Digital Watermarking, volume 6526 of Lecture Notes in Computer Science, pages 280–292. Springer Berlin Heidelberg, 2011. [28] Z. Zhang, C. Cao, R. Zhang, and J. Zou. Video copy detection based on speeded up robust features and locality sensitive hashing. In Automation and Logistics (ICAL), 2010 IEEE International Conference on, pages 13–18, 2010. | |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/60885 | - |
| dc.description.abstract | 由於盜版電影的猖獗， 電影業者每年損失上百億美元， 而這些盜
版電影的來源， 則多半是經由手持攝錄影機在劇院內偷拍而來。因 此，過去幾年都在不斷地研究防止盜錄的方法， 而其中之一最有效的 方法就是透過特殊的方法找出盜錄者， 並將其繩之於法。本論文採用 過去的相機校準方法並且提出一套修正的方法， 如此一來， 便可透 過校準的相機， 找出盜錄者的位置。此外，因3D電影畫面重疊的特 性， 電影業者認為3D電影難以盜錄， 但我們將在此論文提出3D電影 的盜錄方法， 並針對此情況，提出有效的定位方法來找出盜錄者。最 後我們建立了一個新的資料庫， 並利用它做了一系列的驗證及實驗來 證明本論文方法的有效性。 | zh_TW |
| dc.description.abstract | Most copyright infringement or piracy in cinemas is committed by recording the theatre screen with handheld camcorders. As a result of piracy, the worldwide motion picture industry lost almost 18.2 billion U.S. dollars annually. Therefore, efforts have been put forth to prevent illicit videotaping using hidden cameras. One of the most effective ways to cease piracy is to directly locate the pirate and hand them to law enforcement officials. Hence,
in this thesis, we solved it by relating this piracy locating problem to the traditional camera calibration problems. Via the traditional camera calibration method and our revised method using constraints especially for cinemas, the pirate location can be estimated. Moreover, by pointing out a potential crisis that even 3D films are recordable, we specifically solve the piracy locating problem for 3D films. Finally, to show the effectiveness of the new methods as well as to compare it with previous ones, we run a series of simulations and experiments based on real positions acquired from our database, which is especially built for this research. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-16T10:34:44Z (GMT). No. of bitstreams: 1 ntu-102-R00922038-1.pdf: 1719904 bytes, checksum: ff8e41812f1df479a9b5dec5b8948990 (MD5) Previous issue date: 2013 | en |
| dc.description.tableofcontents | 致謝ii
中文摘要iii Abstract iv 1 Introduction 1 2 Related Works 5 2.1 Locating Piracy via Movie Soundtrack . . . . . . . . . 5 2.2 Locating Piracy via Movie Scene . . . . 6 2.2.1 Watermarking Scheme . . . . . . . . 6 2.2.2 Non-Watermarking Scheme . . . . . . . . . 6 3 Preliminaries 8 3.1 Camera Model . . . . . . . . . . . . . . . . . . 8 3.1.1 Intrinsic Parameters . . . . . . . . . . . . . . . 9 3.1.2 Extrinsic Parameters . . . . . . . . . . . . . . . 9 3.2 2D Homography . . . . . . . . . . . . . . . . . . . 11 4 Piracy Locating 13 4.1 Camera Calibration with One View . . . . . . . . 13 4.1.1 Orthonormal Constraint from R . . . . . . . . . 14 4.1.2 Parallelogram Constraint from Movie Scene . . . . 15 4.2 Camera Calibration with Two Views . . .. . . 18 4.2.1 Separating Two Views . . . . . . . . . . . . . . 18 4.2.2 Combining Two Views . . . . . . . . . . . . . . 18 4.3 Scenario for Piracy Locating . . . . . . . . . . 21 5 Evaluation and Discussion 23 5.1 Establishment of Dataset . . . . . . . . . . 23 5.1.1 Environment . . . . ... . . . . . . . . . . 23 5.1.2 Equipment . . . . . . . . . . . . . . . . . 24 5.1.3 Content . . . . . . . . . . . . . . . . 25 5.2 Evaluation on Simulated Data . . . . . . . . . . . . 25 5.2.1 Effectiveness . . . . . . . . . . . . . . . . . . . 25 5.2.2 Limitation . . . . . . . . . . . . . . . 27 5.3 Experiment on Real Data . . . . . . . . . . . . . . . . . . . 28 6 Conclusions 40 Bibliography 42 | |
| dc.language.iso | zh-TW | |
| dc.subject | 盜錄偵測 | zh_TW |
| dc.subject | 相機校正 | zh_TW |
| dc.subject | 劇院盜錄 | zh_TW |
| dc.subject | Piracy locating | en |
| dc.subject | Camera calibration | en |
| dc.subject | In-theatre piracy | en |
| dc.title | 劇院盜錄之位置偵測 | zh_TW |
| dc.title | Piracy Locating in Cinemas | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 101-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.coadvisor | 陳祝嵩(Song-Chu Chen) | |
| dc.contributor.oralexamcommittee | 李明穗(Ming-Sui Lee),陳文進(Wen-Chin Chen) | |
| dc.subject.keyword | 劇院盜錄,盜錄偵測,相機校正, | zh_TW |
| dc.subject.keyword | Piracy locating,In-theatre piracy,Camera calibration, | en |
| dc.relation.page | 45 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2013-08-14 | |
| dc.contributor.author-college | 電機資訊學院 | zh_TW |
| dc.contributor.author-dept | 資訊工程學研究所 | zh_TW |
| 顯示於系所單位： | 資訊工程學系 | |
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|---|---|---|---|
| ntu-102-1.pdf 未授權公開取用 | 1.68 MB | Adobe PDF |
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