...matrix
although a rather arbitrary restriction when Forsyth proposed it, later work [ 9 ] has shown that in general it is valid
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
...illumination
the Macbeth chart is a standard reference chart which is specifically designed to be representative of all surface colours
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Adrian F Clark
Thu Jul 10 22:05:37 BST 1997