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Figure and Figure Caption Extraction for Mixed Raster and Vector PDFs: Digitization of Astronomical Literature with OCR Features.
Jill P. Naiman
Peter K. G. Williams
Alyssa Goodman
Published in:
TPDL (2022)
Keyphrases
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feature vectors
automatically extracted
text extraction
feature space
image processing
feature extraction
preprocessing
co occurrence
feature set
post processing
probability density function
low level
probability distribution
image features
visual features
semantic information