[Discussion] Pattern & Noise

[Mousheng Xu <moushengxu@xxxxxxxxxxxxxxxx>]

Dear All Go Programmers,

	When you match a pattern against a go board, you may find either an exact
match or an inexact match. Suppose your pattern is m x n in dimension, but
the m x n range on the board has all the stones which match the pattern
plus some extra stones. These extra stones might or might not be relevant
to the matched pattern, in other words, they might or might not be "noise".
What criteria could you apply to detect if they are noise or not?
	Given such an algorithm works, pattern matching could be much more powerful.
	Any discussion is welcome.
	Thanks a lot.

-- Mousheng Xu