utils - Packages and tools for image preprocessing

Age	Commit message (Collapse)	Author
2019-10-08	Remove parts that have been moved elsewhere, and rename to rescribe.xyz/utils	Nick White
	bookpipeline is now at rescribe.xyz/bookpipeline preproc is now at rescribe.xyz/preproc integralimg is now at rescribe.xyz/preproc/integralimg
2019-05-14	Rewrite pgconf to be more accurate by measuring average word confidence ↵	Nick White
	rather than average line confidence
2019-05-14	pgconf: Don't print NaN if a page has no lines, and show the percentage, ↵	Nick White
	rather than float, for easier comparison
2019-05-14	Add pgconf tool that prints the overall confidence for a whole page of hocr	Nick White