Extraction of Motion Activity from Scalable-Coded Video Sequences

  • Luis Herranz
  • Fabricio Tiburzi
  • Jesús Bescós
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4306)

Abstract

This work presents an efficient approach for the calculation of the MPEG-7 descriptor for motion activity from scalable-coded video sequences, which include scalable motion vectors and variable block sizes. We first describe the adaptation of the constant block-size assumption of the MPEG-7 descriptor to this new coding domain. Then we compare the results obtained with those for MPEG-1 videos in the context of a common application of this descriptor: video summarization. The comparable quality of these results and the gain in efficiency support the presented approach.

Keywords

motion activity scalable video video indexing video analysis 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Luis Herranz
    • 1
  • Fabricio Tiburzi
    • 1
  • Jesús Bescós
    • 1
  1. 1.Grupo de Tratamiento de Imágenes, Escuela Politécnica SuperiorMadridSpain

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