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Video Saliency Detection Using Deep Convolutional Neural Networks

  • Xiaofei Zhou
  • Zhi LiuEmail author
  • Chen Gong
  • Gongyang Li
  • Mengke Huang
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11257)

Abstract

Numerous deep learning based efforts have been done for image saliency detection, and thus, it is a natural idea that we can construct video saliency model on basis of these image saliency models in an effective way. Besides, as for the limited number of training videos, existing video saliency model is trained with large-scale synthetic video data. In this paper, we construct video saliency model based on existing image saliency model and perform training on the limited video data. Concretely, our video saliency model consists of three steps including feature extraction, feature aggregation and spatial refinement. Firstly, the concatenation of current frame and its optical flow image is fed into the feature extraction network, yielding feature maps. Then, a tensor, which consists of the generated feature maps and the original information including the current frame and the optical flow image, is passed to the aggregation network, in which the original information can provide complementary information for aggregation. Finally, in order to obtain a high-quality saliency map with well-defined boundaries, the output of aggregation network and the current frame are used to perform spatial refinement, yielding the final saliency map for the current frame. The extensive qualitative and quantitative experiments on two challenging video datasets show that the proposed model consistently outperforms the state-of-the-art saliency models for detecting salient objects in videos.

Keywords

Video saliency Convolutional neural networks Feature aggregation 

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Xiaofei Zhou
    • 1
    • 2
    • 3
  • Zhi Liu
    • 2
    • 3
    Email author
  • Chen Gong
    • 4
  • Gongyang Li
    • 2
    • 3
  • Mengke Huang
    • 2
    • 3
  1. 1.Institute of Information and ControlHangzhou Dianzi UniversityHangzhouChina
  2. 2.Shanghai Institute for Advanced Communication and Data ScienceShanghai UniversityShanghaiChina
  3. 3.School of Communication and Information EngineeringShanghai UniversityShanghaiChina
  4. 4.Key Laboratory of Intelligent Perception and Systems for High-Dimensional Information of Ministry of Education, School of Computer Science and EngineeringNanjing University of Science and TechnologyNanjingChina

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