Test Data Set

The test data set consists in 439 pages that were taken from ISRI's Sample 2 Document Database. The set of pages have the following characteristics:

• Mostly black-on-white pages, although there are some pages containing white-on-black text zones.

• Some of the pages contain tables

The pages were processed by eight OCR devices (see Table 4.1). The median OCR accuracy was computed for each page from the results of these eight devices and that was the accuracy value used to label the pages as ``Good'' or ``Bad''.