Unverified50% confidenceFactExact time
pdfplumber's default table detection strategy relies on lines on the page (vector line segments) to infer cell boundaries and is stable for tables with complete borders; the three-line tables common in academic papers lack column separators, and default parameters often fail to detect them.
1
Sources
50%
Confidence
Long-term
Relevance
10/17/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe PDF editor's automatic table recognition in ONLYOFFICE Docs 10.0 relies on the text positions and line vectors implicit in the PDF, and is often ineffective for scanned documents or pure-image PDFs.66% similarUnverifiedThe underlying format of PDF files does not store logical reading order; it only records the absolute coordinate position of each character on the page.64% similarUnverifiedThe text layer of digitally generated PDFs is generally clean and extractable, while real scanned documents (handwritten annotations, low-quality tilted and stained scans, checkbox and signature areas, cross-page broken tables) are the primary failure scenarios for OCR.63% similar
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