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Method for obtaining line synchronization information items from a video signal, and apparatus for carrying out the method

  • US 6,271,888 B1
  • Filed: 08/19/1998
  • Issued: 08/07/2001
  • Est. Priority Date: 08/27/1997
  • Status: Expired due to Fees
First Claim
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1. Method for obtaining line synchronization information items from a video signal, comprising the following method steps:

  • a) determining the position of a line synchronization pulse by convolving the video signal for the respective video line with a pattern function, and carrying out analysis of the result function of the convolution operation;

    b) filtering the positions of line synchronization pulses in the temporal direction, wherein an estimation for the determination of a correction position of a line synchronization information item is carried out.

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