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【Panoptic Segmentation】Seamless Scene Segmentation : backboneは共有すべし

Posted at

Seamless Scene Segmentation

![image.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/482094/a42f0dda-d839-dabe-64f6-cd0d66693a4d.png)

論文のテーマはPanoptic Segmentationの構造に関しての提案である。

新規性

2つのネットワークの提案

![image.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/482094/1f9f5a73-f4b4-9492-6b93-e8e3d67d47e2.png) Body(backbone)をshareするかしないかの2通り

結果

![image.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/482094/dcb578ca-ae1e-51a2-a71a-43e916656fdd.png) Bodyをshareしたほうが精度が高かった。 計算速度も早くなるし、メモリの消費量も小さくなるから一石3鳥

結論

当たり前のようだがbackboneをshareしたほうが精度が高くなった。

参考文献

Seamless Scene Segmentation https://arxiv.org/pdf/1905.01220.pdf
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