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arXiv:1608.06993cs.CV

Densely Connected Convolutional Networks

Gao Huang, Zhuang Liu, Laurens van der Maaten, Kilian Q. Weinberger

Abstract

Recent work has shown that convolutional networks can be substantially deeper, more accurate, and efficient to train if they contain shorter connections between layers close to the input and those close to the output. In this paper, we embrace this observation and introduce the Dense Convolutional Network (DenseNet), which connects each layer to every other layer in a feed-forward fashion. Whereas traditional convolutional networks with L layers have L connections - one between each layer and its subsequent layer - our network has L(L+1)/2 direct connections. For each layer, the feature-maps of all preceding layers are used as inputs, and its own feature-maps are used as inputs into all subsequent layers. DenseNets have several compelling advantages: they alleviate the vanishing-gradient problem, strengthen feature propagation, encourage feature reuse, and substantially reduce the number of parameters. We evaluate our proposed architecture on four highly competitive object recognition benchmark tasks (CIFAR-10, CIFAR-100, SVHN, and ImageNet). DenseNets obtain significant improvements over the state-of-the-art on most of them, whilst requiring less computation to achieve high performance. Code and pre-trained models are available at https://github.com/liuzhuang13/DenseNet .

arXiv comments
CVPR 2017
Journal reference
DOI
Subjects
cs.CVComputer Vision and Pattern Recognition cs.LGMachine Learning

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Linked by 7 identifiable commenters in 7 comments across 7 threads, from Nov 2016 to Sep 2025. Found in 3 HN submissions from Feb 2017 to Jul 2017. Open submission discussions.

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Discussed in comments7 threads

    • You're correct, I also added some info in a sibling comment that might interest you. But you might also be interested in reading the DenseNet paper[0]. While it's convs, the ideas still apply. There's actually a lot of research in this topic though they'll be in more "theory"…

      godelskiView on HNParent context

    • Yeah, you can't change the model much with low LRs. That's the point! Same reason you don't get continual-learning if you just keep using low LRs: https://arxiv.org/abs/2403.08763 You need to really shake up the model if you want to learn some genuinely better (ie. different)…

      gwernView on HNParent context

    • Here is the first (?) application of deep learning to improve the pornography experience, an Android app called Melondream published in early 2017: http://driftwheeler.com Surprisingly, almost 5 years after being published, this app still serves thousands of user sessions per…

      tmp65535View on HNParent context

    • Densely Connected Convolutional Networks (https://arxiv.org/abs/1608.06993) use the idea you're talking about quite effectively.

      nomad225View on HNParent context

    • https://arxiv.org/abs/1512.03385 Deep Residual Learning for Image Recognition Citation 4000+. Milestone of image recognition. https://arxiv.org/abs/1502.01852 Delving Deep into Rectifiers: Surpassing Human-Level Performance on ImageNet Classification. Also known as PreLU…

      tanilamaView on HNParent context

  1. CVPR 2017 Best Paper Awards 1 comment
    • * Densely Connected Convolutional Networks [0] by Gao Huang, Zhuang Liu, Laurens van der Maaten, & Kilian Q. Weinberger. * Learning from Simulated and Unsupervised Images through Adversarial Training [1] by Ashish Shrivastava, Tomas Pfister, Oncel Tuzel, Joshua Susskind, Wenda…

      iraphaelView on HNParent context

    • For deep convnets the vanishing gradient problems can mostly be solved by using residual architectures. See: https://arxiv.org/abs/1603.05027 This is kind of related to solving the vanishing gradient issue in RNNs by using additive recurrent architectures like LSTMs and GRUs.…

      ogriselView on HNParent context

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