Letter box is disabled in the darknet.py by defualt

AlexeyAB

2018-06-04 1e512b23089b23e91fa5ed6a617641d9286d1417

 build/darknet/x64/cfg/yolov3.cfg

@@ -610,7 +610,7 @@
classes=80
num=9
jitter=.3
ignore_thresh = .5
ignore_thresh = .7
truth_thresh = 1
random=1

@@ -696,7 +696,7 @@
classes=80
num=9
jitter=.3
ignore_thresh = .5
ignore_thresh = .7
truth_thresh = 1
random=1

@@ -783,7 +783,7 @@
classes=80
num=9
jitter=.3
ignore_thresh = .5
ignore_thresh = .7
truth_thresh = 1
random=1