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Diffstat (limited to 'graphics/unpaper/README')
| -rw-r--r-- | graphics/unpaper/README | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/graphics/unpaper/README b/graphics/unpaper/README index 3a19caed4d419..dd41cb8f9368b 100644 --- a/graphics/unpaper/README +++ b/graphics/unpaper/README @@ -6,14 +6,16 @@ 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 +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 +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" Pettenò. |