These documents consisted of journal articles on the subject of throughput accounting and contained many references to prices using a ' ' symbol and to fixed and variable costs. Each subject area, however, appears to raise its own particular problems. Any discolouration, markings or show through of text affects success. Glossy paper, coloured paper and very granular paper do not scan well. Simple tables will usually OCR adequately, but graphs, formulae and equations will frequently result in error saturation to the point of complete loss of meaning.
Capture performs poorly with skewed text.
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