Method of motion estimation for image sequences, in particular f

Details Method of motion estimation for image sequences, in particular f Method of motion estimation for image sequences, in particular f

1998-02-19

2000-06-06

Couso, Jose L.

Image analysis

Image compression or coding

Interframe coding

382232, G06K 936

Patent

active

060729058

ABSTRACT:
A method is described for estimating the motion for image sequences carrying out a decimation of the function used for the extraction of the characteristic parameters of an image block. The method is iterated by decreasing the function decimation and carrying out the block-matching on a set of the best matchings of the preceding steps. The method does not require the recalculation of the parameters on the reference image for each block to be matched; moreover, in the extraction of the characteristic parameters of a block, the use of the Integral Projections is not mandatory but one of the possible variants only (FIG. 1).

REFERENCES:
patent: 5710603 (1998-01-01), Lee
patent: 5805228 (1998-09-01), Proctor et al.
Senda et al., "Theoretical Background and Improvement of a Simplified Half-Pel Motion Estimation", Image Processing, 1996, Proceedings, International Conference, vol. 3, pp. 263-266.
"A Fast Feature-Based Block Matching Algorithm Using Integral Projections" by Joon-Seek Kim et al, IEEE Journal On Selected Areas in Communications, vol. 10, No. 5, Jun. 1992, pp. 968-971.
"Efficient Block Motion Estimation Using Integral Projections" K. Sauer, et al, IEEE Transactions on Circuits and Systems for Video Technology, vol. 6, No. 5, Oct. 1996, pp. 513-518.

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