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Method and device for detecting an interfering object in a camera image

  • US 8,582,809 B2
  • Filed: 06/22/2011
  • Issued: 11/12/2013
  • Est. Priority Date: 06/28/2010
  • Status: Expired due to Fees
First Claim
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1. A method for detecting an interfering object in at least one camera image of a camera image sequence, comprising:

  • reading in a first pixel data value at a predetermined position in a first camera image obtained at a first point in time, a second pixel data value at the predetermined position in a second camera image obtained at a second point in time after the first point in time, and a third pixel data value at the predetermined position in a third camera image obtained at a third point in time after the second point in time;

    ascertaining (i) a reference value on the basis of the second pixel data value and (ii) a comparison value on the basis of at least one of the first pixel data value and the third pixel data value; and

    detecting the presence of the interfering object at the predetermined position if the reference value is in a predefined relationship with the comparison value.

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