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Deinterlacing by successive approximation

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3 Author(s)
J. Kovacevic ; Lucent Technol., AT&T Bell Labs., Murray Hill, NJ, USA ; R. J. Safranek ; E. M. Yeh

We propose an algorithm for deinterlacing of interlaced video sequences. It successively builds approximations to the deinterlaced sequence by weighting various interpolation methods. A particular example given here uses four interpolation methods, weighted according to the errors each one introduces. Due to weighting, it is an adaptive algorithm. It is also time-recursive, since the motion-compensated part uses the previously interpolated frame. Furthermore, bidirectional motion estimation and compensation allow for better performance in the case of scene changes and covering/uncovering of objects. Experiments are run both on “real-world” and computer generated sequences. Finally, subjective testing is performed to evaluate the quality of the algorithm

Published in:

IEEE Transactions on Image Processing  (Volume:6 ,  Issue: 2 )