3 Commits

Author	SHA1	Message	Date
John Cupitt	bc0b8ba5c1	sobel done	2018-02-28 22:51:31 +00:00
John Cupitt	bf70c49fa5	add a fast uchar sobel	2018-02-27 18:19:07 +00:00
John Cupitt	4a59fa652c	make vips_sobel() ... cut out of vips_canny()	2018-02-26 18:33:20 +00:00