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@@ -0,0 +1,36 @@ +# rescribe.xyz/preproc package + +This package contains various image processing methods which are +useful for preprocessing page images for OCR. It also contains +several commands in the cmd/ directory which can be used to +preprocess images directly. + +# Commands + +There are several commands in the cmd/ directory which are useful +in their own right as well as serving as examples of using the +package. + + - binarize : binarises an image using the sauvola algorithm + - preproc : binarises and wipes an image + - preprocmulti : binarises and wipes an image with multiple + binarisation ksize values + - wipe : wipes sections of an image that are outside an + area detected as content + +# Bugs + +The integral image operations don't produce exactly the same result +as their non-integral image counterparts. The difference is small +enough that it has little effect on the output images, but it ought +to be identical. + +# Contributions + +Any and all comments, bug reports, patches or pull requests would +be very welcomely received. Please email them to <nick@rescribe.xyz>. + +# License + +This package is licensed under the GPLv3. See the LICENSE file for +more details. |