Video Analysis and Repackaging for Distance Education

Name: Video Analysis and Repackaging for Distance Education
Brand: Springer-Verlag New York Inc.
SKU: 9781461438366
Price: 36386 HUF
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Szerző: Ranjith Ram, Subhasis Chaudhuri

Nyelv:

Kötés: Kemény kötésű

Kiadó: Springer-Verlag New York Inc.

Elérhetőség: Beszállítói készleten

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This book presents various video processing methodologies that are useful for distance education. Th...

Információk a könyvről

Szerző

Ranjith Ram, Subhasis Chaudhuri

Nyelv

Angol

Kötés

Könyv - Kemény kötésű

Kiadva

2012

oldal

178

EAN

9781461438366

ISBN

1461438365

Enbook ID

01427865

Kiadó

Springer-Verlag New York Inc.

Súly

459

Méretek

155 x 235 x 15

Teljes leírás

This book presents various video processing methodologies that are useful for distance education. The motivation is to devise new multimedia technologies that are suitable for better representation of instructional videos by exploiting the temporal redundancies present in the original video. This solves many of the issues related to the memory and bandwidth limitation of lecture videos. The various methods described in the book focus on a key-frame based approach which is used to time shrink, repackage and retarget instructional videos. All the methods need a preprocessing step of shot detection and recognition, which is separately given as a chapter. We find those frames which are well-written and distinct as key-frames. A super-resolution based image enhancement scheme is suggested for refining the key-frames for better legibility. These key-frames, along with the audio and a meta-data for the mutual linkage among various media components form a repackaged lecture video, which on a programmed playback, render an estimate of the original video but at a substantially compressed form. The book also presents a legibility retentive retargeting of this instructional media on mobile devices with limited display size. All these technologies contribute to the enhancement of the outreach of distance education programs. §Distance education is now a big business with an annual turnover of over 10-12 billion dollars. We expect this to increase rapidly. Use of the proposed technology will help deliver educational videos to those who are less endowed in terms of network bandwidth availability and to those everywhere who are even on a move by delivering it effectively to mobile handsets (including PDAs). Thus, technology developers, practitioners, and content providers will find the material very useful.

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Video Analysis and Repackaging for Distance Education

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