01/2004:
initial release.

08/2004:
added Matlab function seg.m and corrected one segmentation and annotation
alignment error (image nr. 106).

09/2004
fixed alignment mistake starting at image #3305 ("to go to the Creek and Che-
rokee").

10/2004 I
switched to relative coordinate notation (*_boxes.txt files), updated 
documentation.

10/2004 II
corrected alignment mistakes on pages 2700270 and 2740274 (images #509 and
#1106) and adjusted some segmentation coordinates on those pages.

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Toni M. Rath (trath@cs.umass.edu) 10/2004
