<*mathematics*> Given a position operator P(i,j), let A be a nxn
matrix whose element A[i][j] is the number of times that
points with grey level (intensity) g[i] occur, in the position
specified by P, relative to points with grey level g[j]. Let
C be the nxn matrix that is produced by dividing A with the
total number of point pairs that satisfy P. C[i][j] is a
measure of the joint probability that a pair of points
satisfying P will have values g[i], g[j]. C is called a
cooccurrence matrix defined by P. Examples for the operator P
are: "i above j", "i one position to the right and two below
j", etc.

Last updated: 1995-05-11

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**Nearby terms:**
Conway's Law « Conway's Life « cooC « **cooccurrence matrix** » cookbook » cooked mode » cookie

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Copyright Denis Howe 1985