2017

Is Second-order Information Helpful for Large-scale Visual Recognition?

Li, Peihua, Xie, Jiangtao, Wang, Qilong et al.

Understand

By stacking layers of convolution and nonlinearity, convolutional networks (ConvNets) effectively learn from low-level to high-level features and discriminative representations.

  • Since the end goal of large-scale recognition is to delineate complex boundaries of thousands of classes, adequate exploration of feature distributions is important for realizing full potentials of ConvNets.
  • However, state-of-the-art works concentrate only on deeper or wider architecture design, while rarely exploring feature statistics higher than first-order.
  • We take a step towards addressing this problem.

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