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Thread: sobel and letters

  1. #1

    sobel and letters

    I have this problem with sobel filter:
    when the sobel filter finds an edge of a line, it finds the initial up edge and the end edge , then,a line in the sobel filter have two edge?.
    Is possible to eliminate this behaviour and show only the start edge?
    i'm trying to filter some letters in a texture but the words after the sobel filter are enlarged and confused.


  2. #2
    Senior Member
    Join Date
    Oct 2012

    Re: sobel and letters

    The down line is should be negative. so you could ignore every value thts below 0


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