• Odd-Arild Kristensen's avatar
    Implemented a new edge detection video filter · 5025bc4e
    Odd-Arild Kristensen authored
    The edge detection filter uses the Sobel operator to detect and highlight
    edges in a frame. In order to successfully detect an edge, the image must
    first be converted to gray scale (because Sobel is a gray scale operator) and
    then have a slight Gaussian blur applied to it. We do this because Sobel is a
    noisy operator and the Gaussian blur reduces this noise.
    Signed-off-by: Jean-Baptiste Kempf's avatarJean-Baptiste Kempf <jb@videolan.org>
    5025bc4e
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