Fix for MS COCO validation

AlexeyAB

2018-07-10 81d4688b12702ecede13bbc50993eece57469db3

1
2
3
4
5
6
classes= 20
train  = data/train_voc.txt
valid  = data/2007_test.txt
#difficult = data/difficult_2007_test.txt
names = data/voc.names
backup = backup/