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fix mrcnn_bbox_loss #1220

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fix mrcnn_bbox_loss #1220

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760ad47
fix mrcnn_bbox_loss
keineahnung2345 Jan 11, 2019
063ea53
change the denominator acc. Faster R-CNN paper
keineahnung2345 Feb 12, 2019
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fix mrcnn_bbox_loss
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@keineahnung2345
keineahnung2345 authored Jan 11, 2019
commit 760ad471baf3a342af3f646f99e991bde7251a28
2 changes: 1 addition & 1 deletion mrcnn/model.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1137,7 +1137,7 @@ def mrcnn_bbox_loss_graph(target_bbox, target_class_ids, pred_bbox):
loss = K.switch(tf.size(target_bbox) > 0,
smooth_l1_loss(y_true=target_bbox, y_pred=pred_bbox),
tf.constant(0.0))
loss = K.mean(loss)
loss = K.mean(K.sum(loss, axis=1))
return loss


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