Very high accuracy velocity estimation using orientation tensors, parametric motion, and simultaneous segmentation of the motion field

  • Farneback G
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In a previous paper, the author presented a new velocity
estimation algorithm, using orientation tensors and parametric motion
models to provide both fast and accurate results. One of the tradeoffs
between accuracy and speed was that no attempts were made to obtain
regions of coherent motion when estimating the parametric models. In
this paper we show how this can be improved by doing a simultaneous
segmentation of the motion field. The resulting algorithm is slower than
the previous one, but more accurate. This is shown by evaluation on the
well-known Yosemite sequence, where already the previous algorithm
showed an accuracy which was substantially better than for earlier
published methods. This result has now been improved further

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