diff options
author | B. Watson <yalhcru@gmail.com> | 2022-03-13 15:09:36 -0400 |
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committer | B. Watson <yalhcru@gmail.com> | 2022-03-13 15:09:36 -0400 |
commit | 624e7a9078ac4d186108595e08e2dee4a6cea12e (patch) | |
tree | 353dc837566e6008823eee39fb6871b9231225df /graphics | |
parent | b0aac33fc15706bbce08c0d841f8da6afb0de475 (diff) |
graphics/unpaper: Wrap README at 72 columns.
Signed-off-by: B. Watson <yalhcru@gmail.com>
Diffstat (limited to 'graphics')
-rw-r--r-- | graphics/unpaper/README | 42 |
1 files changed, 22 insertions, 20 deletions
diff --git a/graphics/unpaper/README b/graphics/unpaper/README index f4f17530d9d62..b1c15f6b1e8f7 100644 --- a/graphics/unpaper/README +++ b/graphics/unpaper/README @@ -1,21 +1,23 @@ -unpaper is a post-processing tool for scanned sheets of paper, especially -for book pages that have been scanned from previously created photocopies. -The main purpose is to make scanned book pages better readable on screen -after conversion to PDF. Additionally, unpaper might be useful to enhance -the quality of scanned pages before performing optical character -recognition (OCR). unpaper tries to clean scanned images by removing dark -edges that appeared through scanning or copying on areas outside the actual -page content (e.g. dark areas between the left-hand-side and the -right-hand-side of a double-sided book-page scan). The program also tries -to detect disaligned centering and rotation of pages and will automatically -straighten each page by rotating it to the correct angle. This process is -called "deskewing". Note that the automatic processing will sometimes fail. -It is always a good idea to manually control the results of unpaper and adjust -the parameter settings according to the requirements of the input. Each -processing step can also be disabled individually for each sheet. Input and -output files can be in either .pbm, .pgm or .ppm format, thus generally in -.pnm format, as also used by the Linux scanning tools scanimage and scanadf. -Conversion to PDF can e.g. be achieved with the Linux tools pgm2tiff, tiffcp -and tiff2pdf. +unpaper is a post-processing tool for scanned sheets of paper, +especially for book pages that have been scanned from previously +created photocopies. The main purpose is to make scanned book pages +better readable on screen after conversion to PDF. Additionally, +unpaper might be useful to enhance the quality of scanned pages before +performing optical character recognition (OCR). unpaper tries to clean +scanned images by removing dark edges that appeared through scanning +or copying on areas outside the actual page content (e.g. dark areas +between the left-hand-side and the right-hand-side of a double-sided +book-page scan). The program also tries to detect disaligned +centering and rotation of pages and will automatically straighten +each page by rotating it to the correct angle. This process is called +"deskewing". Note that the automatic processing will sometimes fail. +It is always a good idea to manually control the results of unpaper +and adjust the parameter settings according to the requirements of +the input. Each processing step can also be disabled individually +for each sheet. Input and output files can be in either .pbm, .pgm or +.ppm format, thus generally in .pnm format, as also used by the Linux +scanning tools scanimage and scanadf. Conversion to PDF can e.g. be +achieved with the Linux tools pgm2tiff, tiffcp and tiff2pdf. -This is a fork of the original unpaper software by D.E. "Flameeyes" Petteno'. +This is a fork of the original unpaper software by D.E. "Flameeyes" +Petteno'. |