It takes into account the Difficult for calculating mAP for PascalVOC

AlexeyAB

2018-02-16 65bff2683bdffe7ec82eacd8144c70c09d19c88d

 build/darknet/x64/yolo-voc.cfg

@@ -256,3 +256,4 @@
absolute=1
thresh = .6
random=1