bbox.pyx line44, ih equation issue

[wayneguo166]

Hi Sergey,
I go through the codes these days and find a issue during calculate the ih in bbox_overlaps function, your code are:
ih = (
min(boxes[n, 3], query_boxes[k, 3]) -
max(boxes[n, 1], query_boxes[k, 1]) + 1
)
but I think it should be:
ih = (
min(boxes[n, 1], query_boxes[k, 1]) -
max(boxes[n, 3], query_boxes[k, 3]) + 1
)
wish your feedback, thanks.
quick link:

fast-rcnn/lib/utils/bbox.pyx

Line 44 in b612190

ih = (