Submitted on: 18 January 1998.
Revised on: 17 April 1998.
Accepted on: 02 May 1998.
___________________INTERNATIONAL JOURNAL OF IMAGING SYSTEMS AND TECHNOLOGY
Submitted on: 01 September 2008.
Revised on: 17 December 2008.
Accepted on: 12 February 2009.
___________________INTERNATIONAL JOURNAL OF IMAGING SYSTEMS AND TECHNOLOGY
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Submitted on: 21 November 2001.
Revised on: 23 February 2002.
Accepted on: 24 March 2002.
___________________INTERNATIONAL JOURNAL OF IMAGING SYSTEMS AND TECHNOLOGY