Research

A sequential vector selection algorithm for controllable bandwidth motion description encoding


Reference:

Tredwell, S. and Evans, A. N., 2001. A sequential vector selection algorithm for controllable bandwidth motion description encoding. In: 2001 International Symposium on Intelligent Multimedia, Video and Speech Processing, 2001-05-02 - 2001-05-04, Hong Kong.

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Abstract

The paper presents a method for controlling the bandwidth given to the motion description in motion-compensated video coding by restricting the number of motion vectors used. A new algorithm, called the metric method, for selecting the vectors is presented. This approach produces predicted images that are a close approximation of the optimal that can be achieved for a fixed number of vectors with relatively little additional computational cost. Results show that, in a video codec, the metric method produces lower overall errors than the standard approach of sending one vector per block, and is better than the histogram method previously used to select the vectors

Details

Item Type Conference or Workshop Items (Paper)
CreatorsTredwell, S.and Evans, A. N.
DepartmentsFaculty of Engineering & Design > Electronic & Electrical Engineering
RefereedYes
StatusPublished
ID Code14925

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