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Learnable Histogram: Statistical Context Features for Deep Neural Networks

  • Zhe Wang
  • Hongsheng Li
  • Wanli Ouyang
  • Xiaogang Wang
Conference paper
First Online:
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9905)

Abstract

Statistical features, such as histogram, Bag-of-Words (BoW) and Fisher Vector, were commonly used with hand-crafted features in conventional classification methods, but attract less attention since the popularity of deep learning methods. In this paper, we propose a learnable histogram layer, which learns histogram features within deep neural networks in end-to-end training. Such a layer is able to back-propagate (BP) errors, learn optimal bin centers and bin widths, and be jointly optimized with other layers in deep networks during training. Two vision problems, semantic segmentation and object detection, are explored by integrating the learnable histogram layer into deep networks, which show that the proposed layer could be well generalized to different applications. In-depth investigations are conducted to provide insights on the newly introduced layer.

Keywords

Histogram Deep learning Semantic segmentation Object detection 
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Notes

Acknowledgements

This work is supported by SenseTime Group Limited, the General Research Fund sponsored by the Research Grants Council of Hong Kong (Project Nos. CUHK14206114, CUHK14205615, CUHK417011, CUHK419 412, CUHK14203015, and CUHK14207814), the Hong Kong Innovation and Technology Support Programme (No. ITS/221/13FP), National Natural Science Foundation of China (Nos. 61371192, 61301269), and PhD programs foundation of China (No. 20130185120039). Both Hongsheng Li and Xiaogang Wang are corresponding authors.

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Copyright information

© Springer International Publishing AG 2016

Authors and Affiliations

  1. 1.Department of Electronic EngineeringThe Chinese University of Hong KongSha TinHong Kong

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