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A low power data-adaptive motion estimation algorithm

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2 Author(s)
J. Minocha ; Coordinated Sci. Lab., Illinois Univ., Urbana, IL, USA ; N. R. Shanbhag

A new data adaptive fast search motion estimation algorithm is proposed. Motion estimation is one of the major blocks in video coding applications and is highly computationally intensive. Although a number of fast and efficient algorithms have been developed, most of these do not take into account the varying nature of the input data. We present a novel technique in which we dynamically alter the motion estimation algorithm thereby impacting the execution rate and hence the power consumed. An average reduction of 30% in memory accesses and 60% in arithmetic operations, as compared to the full search block matching algorithm, was observed for the test cases. The loss in peak signal-to-error ratio (PSER) was less than 0.3 dB on average

Published in:

Multimedia Signal Processing, 1999 IEEE 3rd Workshop on

Date of Conference: