TRACE

Trace line removal method. This method is suitable for medium and thick writing lines.

<trace

       derivation = CDATA        -- Amount/use of derivative.
       grayvariance = CDATA        -- Gray level variance.
       limit = CDATA        -- ???.
       threshold = CDATA        -- ???.
/>

Parent Element(s): <line/>        -- Line removal (e.g. handwriting guide lines).

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