Methods of and apparatus for correcting errors in video signals

Details Methods of and apparatus for correcting errors in video signals Methods of and apparatus for correcting errors in video signals

H - Electricity

04

N

350/62

H04N 9/12 (2006.01) H04N 5/21 (2006.01) H04N 7/32 (2006.01)

Patent

CA 1223957

ABSTRACT OF THE INVENTION METHODS OF AND APPARATUS FOR CORRECTING ERRORS IN VIDEO SIGNALS Methods of and apparatus for correcting errors in the digital transmission of video signals, wherein at the receiving end a comparison is carried out between the received video signal values (si) and estimated video signal values (?i) calculated from adjacent video signal values. In the event that a given threshold value is exceeded by the difference between the video signal value and the associated estimated video signal value, the corresponding estimated video signal value is used thereafter in place of the received video signal value. (Figure 2).

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