2019

High-Resolution Representations for Labeling Pixels and Regions

Sun, Ke, Zhao, Yang, Jiang, Borui et al.

Understand

High-resolution representation learning plays an essential role in many vision problems, e.g., pose estimation and semantic segmentation.

  • The high-resolution network (HRNet)~\cite{SunXLW19}, recently developed for human pose estimation, maintains high-resolution representations through the whole process by connecting high-to-low resolution convolutions in \emph{parallel} and produces strong high-resolution representations by repeatedly conducting fusions across parallel convolutions.
  • In this paper, we conduct a further study on high-resolution representations by introducing a simple yet effective modification and apply it to a wide range of vision tasks.
  • We augment the high-resolution representation by aggregating the (upsampled) representations from all the parallel convolutions rather than only the representation from the high-resolution convolution as done in~\cite{SunXLW19}.

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