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Don't set page segmentation mode for hocr, pdf and tsv configs

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Setting the page segmentation mode in those config files gives unexpected
results: the text recognized when no config or only txt is given changes
if both txt and any of hocr, pdf or tsv is chosen.

In a test set of nearly 200 pages from historical books, using
segmentation mode 1 is typically slightly better than the default,
but there are also cases where it is much worse. Therefore the user
should be able to decide which page segmentation mode is best.

Old results for hocr, pdf or tsv now need an explicit `--psm 1` for
reproduction.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
This commit is contained in:
Stefan Weil 2018-10-04 12:05:49 +02:00
parent b15fbf1d0f
commit ecfee53bac
3 changed files with 0 additions and 3 deletions
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tessdata/configs/hocr
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@ -1,3 +1,2 @@
tessedit_create_hocr 1
tessedit_pageseg_mode 1
hocr_font_info 0

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tessdata/configs/pdf
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@ -1,2 +1 @@
tessedit_create_pdf 1
tessedit_pageseg_mode 1

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tessdata/configs/tsv
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@ -1,2 +1 @@
tessedit_create_tsv 1
tessedit_pageseg_mode 1