Multipath affinage stacked—hourglass networks for human pose estimation

Abstract

Recently, stacked hourglass network has shown outstanding performance in human pose estimation. However, repeated bottom-up and top-down stride convolution operations in deep convolutional neural networks lead to a significant decrease in the initial image resolution. In order to address this problem, we propose to incorporate affinage module and residual attention module into stacked hourglass network for human pose estimation. This paper introduces a novel network architecture to replace the stacked hourglass network of up-sampling operation for getting high-resolution features. We refer to the architecture as an affinage module which is critical to improve the performance of the stacked hourglass network. Additionally, we also propose a novel residual attention module to increase the supervision of upsample process. The effectiveness of the introduced module is evaluated on standard benchmarks. Various experimental results demonstrated that our method can achieve more accurate and more robust human pose estimation results in images with complex background.

Keywords

human pose estimation / stacked hourglass network / affinage module / residual attention module

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