Motion compensating field interpolation method using a...

Details Motion compensating field interpolation method using a... Motion compensating field interpolation method using a...

H - Electricity

04

N

350/33

H04N 5/14 (2006.01) H04N 7/26 (2006.01) H04N 7/36 (2006.01) H04N 7/46 (2006.01)

Patent

CA 1271252

ABSTRACT OF THE DISCLOSURE A motion compensating field interpolation method which allows the interpolation of several fields between every two transmitted fields of a digital television sequence. Using the model of translatorily displaced objects, a hierarchi- cally structured displacement estimator is applied to cope with relatively large displacements. It provides a displace- ment vector with integer components for each picture element of the fields to be interpolated. A change detector is used to assure zero displacement vectors in unchanged areas. A two-coefficient spatio-temporal filter interpolates each picture element of the fields to be interpolated.

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