ZIDAR said that it can often take longer to edit a poor-copy OCR than to
key it from scratch. NAL has also experimented with partial editing of
text, whereby project workers go into and clean up the format, removing
stray characters but not running a spell-check. NAL corrects typos in
the title and authors' names, which provides a foothold for searching and
browsing. Even extremely poor-quality OCR (e.g., 60-percent accuracy)
can still be searched, because numerous words are correct, while the
important words are probably repeated often enough that they are likely
to be found correct somewhere. Librarians, however, cannot tolerate this
situation, though end users seem more willing to use this text for
searching, provided that NAL indicates that it is unedited. ZIDAR
concluded that rekeying of text may be the best route to take, in spite
of numerous problems with quality control and cost.
******
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
DISCUSSION * Modifying an image before performing OCR * NAL's costs per
page *AM's costs per page and experience with Federal Prison Industries *
Elements comprising NATDP's costs per page * OCR and structured markup *
Distinction between the structure of a document and its representation
when put on the screen or printed *
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
HOOTON prefaced the lengthy discussion that followed with several
comments about modifying an image before one reaches the point of
performing OCR. For example, in regard to an application containing a
significant amount of redundant data, such as form-type data, numerous
companies today are working on various kinds of form renewal, prior to
going through a recognition process, by using dropout colors. Thus,
acquiring access to form design or using electronic means are worth
considering. HOOTON also noted that conversion usually makes or breaks
one's imaging system. It is extremely important, extremely costly in
terms of either capital investment or service, and determines the quality
of the remainder of one's system, because it determines the character of
the raw material used by the system.
Public-domain text, read in full here on John Shaqi.
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