1. A method of estimating property values of a group of at least one image element in an image associated with a time instance in a video sequence, said method comprising the steps of: identifying image elements belonging to a border region at a frame edge of a first image associated with a first different time instance in said video sequence; providing a first group in said first image, said first group comprising at least one image element identified as belonging to said border region of said first image and at least one image element identified as not belonging to said border region of said first image; identifying a second group of at least one image element in a second image associated with a second different time instance in said video sequence; and determining said property value of said group based on property values of said image elements of said first group identified as not belonging to said border region in said first image and property values of said second group.