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Advanced video processing techniques...

Yuan, Zheng.

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Advanced video processing techniques in video transmission systems.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Advanced video processing techniques in video transmission systems./
Author:	Yuan, Zheng.
Description:	108 p.
Notes:	Source: Dissertation Abstracts International, Volume: 75-07(E), Section: B.
Contained By:	Dissertation Abstracts International75-07B(E).
Subject:	Engineering, Electronics and Electrical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3586655
ISBN:	9781303822957

Advanced video processing techniques in video transmission systems.
Yuan, Zheng.

Advanced video processing techniques in video transmission systems. - 108 p.

Source: Dissertation Abstracts International, Volume: 75-07(E), Section: B.

Thesis (Ph.D.)--University of Florida, 2013.

In this dissertation, we address four processing techniques in a video transmission system. First, we propose a homogenous video retargeting approach to dynamically adapt the video from a large resolution to a small one, keeping the interesting contents without introducing artifacts. We then design a video summarization system to summarize a long video into a shorter version, allowing viewers to access content more efficiently. The experiments of the proposed retargeting and summarization approaches show performance gain over existing solutions. For the events of video packet loss during transmission, we propose a perceptual quality model that mimics the human response scores after watching the impaired videos. Based on discovering the visual psychological factors that directly relate to the human scores, the perceptual quality model achieves better correlation with the true human response. Finally, we address the perceptual quality based rate-distortion optimization problem in the encoder design. We propose a piecewise approximation method to find out a rate distortion (perceptual) model, based on which the best rate-distortion trade-off is achieved.

ISBN: 9781303822957Subjects--Topical Terms:

626636
Engineering, Electronics and Electrical.

Advanced video processing techniques in video transmission systems.
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020 $a 9781303822957
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100 1 $a Yuan, Zheng. $3 1285278
245 1 0 $a Advanced video processing techniques in video transmission systems.
300 $a 108 p.
500 $a Source: Dissertation Abstracts International, Volume: 75-07(E), Section: B.
500 $a Adviser: Dapeng Wu.
502 $a Thesis (Ph.D.)--University of Florida, 2013.
520 $a In this dissertation, we address four processing techniques in a video transmission system. First, we propose a homogenous video retargeting approach to dynamically adapt the video from a large resolution to a small one, keeping the interesting contents without introducing artifacts. We then design a video summarization system to summarize a long video into a shorter version, allowing viewers to access content more efficiently. The experiments of the proposed retargeting and summarization approaches show performance gain over existing solutions. For the events of video packet loss during transmission, we propose a perceptual quality model that mimics the human response scores after watching the impaired videos. Based on discovering the visual psychological factors that directly relate to the human scores, the perceptual quality model achieves better correlation with the true human response. Finally, we address the perceptual quality based rate-distortion optimization problem in the encoder design. We propose a piecewise approximation method to find out a rate distortion (perceptual) model, based on which the best rate-distortion trade-off is achieved.
590 $a School code: 0070.
650 4 $a Engineering, Electronics and Electrical. $3 626636
650 4 $a Computer Science. $3 626642
650 4 $a Mass Communications. $3 1017395
690 $a 0544
690 $a 0984
690 $a 0708
710 2 $a University of Florida. $3 718949
773 0 $t Dissertation Abstracts International $g 75-07B(E).
790 $a 0070
791 $a Ph.D.
792 $a 2013
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3586655