You can also experiment with hocr and tsv output modes to see if they help.
On 14 Oct 2016 2:53 a.m., "fuzzy7k" <kvan...@gmail.com> wrote: > Going back to psm 3, I did find that textord_tabfind_find_tables 0 helped, > in that it draws only one box around the "block" of text, instead of the > three that I was first getting. This is obviously the same as psm 6, but > psm 6 should not run column detection, which is something that I want > unless I can get tesseract to draw "blocks" vertically around the > individual columns. > > On Thursday, October 13, 2016 at 8:30:05 PM UTC-4, fuzzy7k wrote: >> >> 6 gives the exact same results as 3 (i.e. no column separation). 11 & 12 >> are essentially the same in that they pull text from left to right, but >> with three times as many newlines. >> >> On Thursday, October 13, 2016 at 8:21:09 AM UTC-4, shree wrote: >>> >>> Try psm 6, also 11, 12 >>> >>> https://github.com/tesseract-ocr/tesseract/issues/434 >>> >>> On 13 Oct 2016 1:13 p.m., "fuzzy7k" <kva...@gmail.com> wrote: >>> >>>> I tried psm 0-3 >>>> >>>> On Thursday, October 13, 2016 at 1:46:45 AM UTC-4, shree wrote: >>>>> >>>>> Which page segmentation mode (psm) did you try? >>>>> >>>>> On 12 Oct 2016 11:21 p.m., "fuzzy7k" <kva...@gmail.com> wrote: >>>>> >>>>>> I have scanned some index pages that I would like to ocr for rapid >>>>>> searching. I am using tesseract from the command line. The problem is >>>>>> that >>>>>> tesseract ignores the whitespace between columns and merges everything >>>>>> together, essentially fragmenting the contents. Using some debug output I >>>>>> see that no "columns" are detected. Probably more important is that three >>>>>> "blocks" are detected, one around the first and last line, and one >>>>>> encompassing everything in between. Is there a way to train block >>>>>> detection, or some parameters that I can tweak to optimize this? >>>>>> >>>>>> I have attached the image merely as an abstract representation of the >>>>>> text layout to show the types of columns I am dealing with. Ideally, it >>>>>> would also be nice to know if tab stops can be trained and used to >>>>>> oneline >>>>>> each individual topic, which I could do postprocess if I could get >>>>>> tabstops >>>>>> printed. >>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "tesseract-ocr" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to tesseract-oc...@googlegroups.com. >>>>>> To post to this group, send email to tesser...@googlegroups.com. >>>>>> Visit this group at https://groups.google.com/group/tesseract-ocr. >>>>>> To view this discussion on the web visit >>>>>> https://groups.google.com/d/msgid/tesseract-ocr/5b4800f9-cea >>>>>> d-4959-9260-52e98ee596b7%40googlegroups.com >>>>>> <https://groups.google.com/d/msgid/tesseract-ocr/5b4800f9-cead-4959-9260-52e98ee596b7%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>> . >>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>> >>>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "tesseract-ocr" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to tesseract-oc...@googlegroups.com. >>>> To post to this group, send email to tesser...@googlegroups.com. >>>> Visit this group at https://groups.google.com/group/tesseract-ocr. >>>> To view this discussion on the web visit https://groups.google.com/d/ms >>>> gid/tesseract-ocr/6a866b2d-e18b-4ef2-89ab-5e4627cd3d06%40goo >>>> glegroups.com >>>> <https://groups.google.com/d/msgid/tesseract-ocr/6a866b2d-e18b-4ef2-89ab-5e4627cd3d06%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> -- > You received this message because you are subscribed to the Google Groups > "tesseract-ocr" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to tesseract-ocr+unsubscr...@googlegroups.com. > To post to this group, send email to tesseract-ocr@googlegroups.com. > Visit this group at https://groups.google.com/group/tesseract-ocr. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/tesseract-ocr/e0ab1c62-de29-4042-b622-a3a06827b057% > 40googlegroups.com > <https://groups.google.com/d/msgid/tesseract-ocr/e0ab1c62-de29-4042-b622-a3a06827b057%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. 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