Low bitrate video compression by content characterization

Name: Low bitrate video compression by content characterization
Brand: LAP Lambert Academic Publishing
SKU: 9783659542015
Price: 61.92 EUR
Availability: InStock

Autor: Marc Decombas

Jazyk:

Väzba: Brožovaná

Vydavateľ: LAP Lambert Academic Publishing

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The objective of this book is to find new methods for semantic video compatible with a traditional e...

Informácie o knihe

Autor

Marc Decombas

Jazyk

Angličtina

Väzba

Kniha - Brožovaná

Vydalo

2014

Stránok

168

EAN

9783659542015

Enbook ID

02765551

Vydavateľ

LAP Lambert Academic Publishing

Hmotnosť

254

Rozmery

152 x 229 x 10

Kompletný popis

The objective of this book is to find new methods for semantic video compatible with a traditional encoder like H.264/AVC. The main objective is to maintain the semantic and not the global quality. A target bitrate of 300 Kb/s has been fixed for defense and security applications. To do that, a complete chain of compression has been proposed. A study and new contributions on a spatio-temporal saliency model have been done to extract the important information in the scene. To reduce the bitrate, a resizing method named seam carving has been combined with the H.264/AVC encoder. Also, a metric combining SIFT points and SSIM has been created to measure the quality of objects without being disturbed by less important areas containing mostly artifacts. A database that can be used for testing the saliency model but also for video compression has been proposed, containing sequences with their manually extracted binary masks. All the different approaches have been thoroughly validated by different tests. An extension of this work on video summary application has also been proposed.

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Low bitrate video compression by content characterization

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