Elements of information theory
Elements of information theory
Nonrigid motion estimation from a sequence of degraded images
Mathematical and Computer Modelling: An International Journal
New adaptive pixel decimation for block motion vector estimation
IEEE Transactions on Circuits and Systems for Video Technology
A hierarchical N-Queen decimation lattice and hardware architecture for motion estimation
IEEE Transactions on Circuits and Systems for Video Technology
Global elimination algorithm and architecture design for fast block matching motion estimation
IEEE Transactions on Circuits and Systems for Video Technology
IEEE Transactions on Circuits and Systems for Video Technology
New fast algorithms for the estimation of block motion vectors
IEEE Transactions on Circuits and Systems for Video Technology
Adaptive motion-compensated filtering of noisy image sequences
IEEE Transactions on Circuits and Systems for Video Technology
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The paper deals with the issue of (possibly nonrigid) motion identification from a sequence of degraded images. In particular the central problem is the one of proper pixel selection: the information content of each pixel is the basis of the pixel selection procedure. After the general setting of the problem we give some identifiability conditions. Then the pixel selection procedure is presented. Finally, the procedure is validated against simulated images of moving objects. It appears, that is enough to process few percent of the total pixel number without any significant decrease of the estimation accuracy.