Bilinear deep learning for image classification

  • Authors:

  • Sheng-hua Zhong;Yan Liu;Yang Liu

  • Affiliations:

  • The Hong Kong Polytechnic University, Hong Kong, Hong Kong;The Hong Kong Polytechnic University, Hong Kong, Hong Kong;The Hong Kong Polytechnic University, Hong Kong, Hong Kong

  • Venue:
  • MM '11 Proceedings of the 19th ACM international conference on Multimedia
  • Year:
  • 2011

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Abstract

Image classification is a well-known classical problem in multimedia content analysis. This paper proposes a novel deep learning model called bilinear deep belief network (BDBN) for image classification. Unlike previous image classification models, BDBN aims to provide human-like judgment by referencing the architecture of the human visual system and the procedure of intelligent perception. Therefore, the multi-layer structure of the cortex and the propagation of information in the visual areas of the brain are realized faithfully. Unlike most existing deep models, BDBN utilizes a bilinear discriminant strategy to simulate the "initial guess" in human object recognition, and at the same time to avoid falling into a bad local optimum. To preserve the natural tensor structure of the image data, a novel deep architecture with greedy layer-wise reconstruction and global fine-tuning is proposed. To adapt real-world image classification tasks, we develop BDBN under a semi-supervised learning framework, which makes the deep model work well when labeled images are insufficient. Comparative experiments on three standard datasets show that the proposed algorithm outperforms both representative classification models and existing deep learning techniques. More interestingly, our demonstrations show that the proposed BDBN works consistently with the visual perception of humans.