Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Sequentially Aggregated Convolutional Networks   Modern deep networks generally implement a certain form of shortcut
connections to alleviate optimization difficulties. However, we observe that
such network topology alters the nature of deep networks. In many ways, these
networks behave similarly to aggregated wide networks. We thus exploit the
aggregation nature of shortcut connections at a finer architectural level and
place them within wide convolutional layers. We end up with a sequentially
aggregated convolutional (SeqConv) layer that combines the benefits of both
wide and deep representations by aggregating features of various depths in
sequence. The proposed SeqConv serves as a drop-in replacement of regular wide
convolutional layers and thus could be handily integrated into any backbone
network. We apply SeqConv to widely adopted backbones including ResNet and
ResNeXt, and conduct experiments for image classification on public benchmark
datasets. Our ResNet based network with a model size of ResNet-50 easily
surpasses the performance of the 2.35$\times$ larger ResNet-152, while our
ResNeXt based model sets a new state-of-the-art accuracy on ImageNet
classification for networks with similar model complexity. The code and
pre-trained models of our work are publicly available at
https://github.com/GroupOfAlchemists/SeqConv.

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The categories of this paper are: ao-sci
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The categories of this paper are: bayes-an
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The categories of this paper are: math-ph
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The categories of this paper are: chao-dyn
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The categories of this paper are: adap-org
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The categories of this paper are: hep-th
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The categories of this paper are: solv-int
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The categories of this paper are: hep-ex
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The categories of this paper are: cond-mat
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The categories of this paper are: supr-con
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The categories of this paper are: quant-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: gr-qc
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The categories of this paper are: chem-ph
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The categories of this paper are: q-bio
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The categories of this paper are: acc-phys