Set of command line utilities for processing scanned TIFF files
This repository contains several useful command-line utilities for processing scanned TIFF images. They are all written for Windows and utilize thread pools to run optimally on multi-core systems.
To build these tools, make sure you have gcc (aka mingw) in your PATH and run m.cmd to build. There is no formal makefile since these are so simple.
tiffalign [options] input.tif [input2.tif [input3.tif [...]]]
This one is my primary workhorse. It takes a list of TIF files, converts them down to 1-bit black & white, and attempts to rotate them so they are straight. It can also optionally attempt to remove specks from the TIFF file.
The auto rotation algorithm is optimized for music files and looks optimizes for long scanlines of black pixels (corresponding to the staff lines). It tends to work for other uses as well, but occasionally will do something wonky. For music, though, it is very solid.
tiffrotate [options] input.tif [input2.tif [...]] output.tif
This is a superset of tiffalign that can also perform a crop. I originally used this all-in-one program, but these days I use tiffalign to straighten individual files and then run tiffrotate with the -r option to crop the final results and assemble them into an output file.
tiff3hole [options] input.tif [input2.tif [...]] output.tif
This utility reads in one or more TIFF files and treats them as a series of pages to be printed back-to-back on 8.5" x 11" paper. It scales the pages up or down to fit a standard letter size, and then shifts alternating pages to allow room for a 3-hole punch.
tiffbook [options] input.tif [input2.tif [...]] output.tif
This utility is for taking a series of pages and spreading them out onto larger pages 2x as wide in galley order so that they can be printed and assembled with a saddle stitch. I don't use this one much.
Copyright (c) 2015, Aaron Giles All rights reserved.
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