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Update loss.py #93

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5 changes: 3 additions & 2 deletions atss_core/modeling/rpn/atss/loss.py
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Original file line number Diff line number Diff line change
Expand Up @@ -294,10 +294,11 @@ def __call__(self, box_cls, box_regression, centerness, targets, anchors):
reg_targets_flatten = reg_targets_flatten[pos_inds]
anchors_flatten = anchors_flatten[pos_inds]
centerness_flatten = centerness_flatten[pos_inds]
centerness_targets = self.compute_centerness_targets(reg_targets_flatten, anchors_flatten)
sum_centerness_targets_avg_per_gpu = reduce_sum(centerness_targets.sum()).item() / float(num_gpus)


if pos_inds.numel() > 0:
centerness_targets = self.compute_centerness_targets(reg_targets_flatten, anchors_flatten)
sum_centerness_targets_avg_per_gpu = reduce_sum(centerness_targets.sum()).item() / float(num_gpus)
reg_loss = self.GIoULoss(box_regression_flatten, reg_targets_flatten, anchors_flatten,
weight=centerness_targets) / sum_centerness_targets_avg_per_gpu
centerness_loss = self.centerness_loss_func(centerness_flatten, centerness_targets) / num_pos_avg_per_gpu
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