./darknet partial cfg/yolov3-tiny.cfg yolov3-tiny.weights yolov3-tiny.conv.15 15
./darknet detector train ./cfg/voc-face.data ./cfg/yolov3-tiny-face.cfg ./yolov3-tiny.conv.15
./darknet detector test ./cfg/voc-face.data ./cfg/yolov3-tiny-face.cfg backup/yolov3-tiny-face_final.weights /path/to/image