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(1) European Search Report with Annex. |
R. Gonzalez, R. E. Woods: “Digital Image Processing”, Addison Wesley, 1992, pp 195-201 and 416-421, 458-461. |
R. Sedgewick: “Alogrithms”, 2nd Edition, Addision Wesley, 1988, pp. 359-371. |
AIM Specifications for Datamatrix: 1997, pp. cover and p. 22. |
AIM Specifications for Datamatrix: 1996, cover page and pp. 19-21. |