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Recent developments in the video coding technology brought new possibilities of utilising inherently embedded features of the encoded bit-stream in applications such as video adaptation and analysis. Due to the proliferation of surveillance videos there is a strong demand for highly efficient and reliable algorithms for object tracking. This paper presents a new approach to efficient compressed domain analysis utilising motion data from the encoded bit-streams in order to achieve low processingdoi:10.1016/j.image.2009.06.006 fatcat:2vwct3szd5bzjn3g3dxfqs2jsa