| http://www.w3.org/ns/prov#value | - milar colors. (In YUV, colors with dY>48, dU>7, or dV>6.)Examine all four-squares of nodes:If all four are fully connected, remove the diagonals. (it is a block of the same color.)If they are only connected via diagonals, use feature detection to tell which diagonal to keep:Compare the length of the curves (valence-2 nodes) that each diagonal is a part of.
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