find lines: switch from simple threshold to subtracting whole background
commit7c37703f3433f2e1b9725f40a0108e70634d7db1
authorDouglas Bagnall <douglas@paradise.net.nz>
Sat, 29 May 2010 15:25:19 +0000 (30 03:25 +1200)
committerDouglas Bagnall <douglas@paradise.net.nz>
Sat, 29 May 2010 15:25:19 +0000 (30 03:25 +1200)
treef317190fa5aef46eac216b44362dd08fcbce40e5
parent4b2985ed17dd2bd7ebacb82ee39e88d105ad1eca
find lines: switch from simple threshold to subtracting whole background
edges.c
edges.h