FIELD: image processing means.
SUBSTANCE: invention relates to image processing. Technical result is achieved by obtaining a PDF document having a first text layer for searching and copying, evaluating the first text layer quality, and if the first layer is incorrect, creation of a second text layer in the PDF document for searching or copying.
EFFECT: technical result is to ensure the lossless conversion of a PDF document to a searchable PDF document.
27 cl, 18 dwg
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