8000 about rpn_loss_box is zero · Issue #46 · jwyang/fpn.pytorch · GitHub
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about rpn_loss_box is zero #46
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about rpn_loss_box is zero#46
@ww451575464

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@ww451575464
ww451575464
opened on Sep 7, 2019

i found rpn_loss_box has always been zero, and that because bbox_outside_weights is 0.
maybe i should change
positive_weights = 1.0 / num_examples
negative_weights = 1.0 / num_examples
to
positive_weights = 1.0 / num_examples.item()
negative_weights = 1.0 / num_examples.item()
in anchor_target_layer_fpn.py line 136

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