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`neg_iou_thresh_lo` value in `ProposalTargetCreator`
Hi,
I want to know that the value 0.0 of neg_iou_thresh_lo
is intended or not.
In the Fast R-CNN paper, it seems that the assignment for negative samples is decided when between the sample and GT IoU is ranged in [0.1, 0.5). (in section Mini-batch sampling).
https://arxiv.org/pdf/1504.08083.pdf
https://github.com/chainer/chainercv/blob/master/chainercv/links/model/faster_rcnn/utils/proposal_target_creator.py#L36