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Focal Liver Lesion Classification Based on Tensor Sparse Representations of Multi-phase CT Images

  • Jian Wang
  • Xian-Hua Han
  • Jiande Sun
  • Lanfen Lin
  • Hongjie Hu
  • Yingying Xu
  • Qingqing Chen
  • Yen-Wei ChenEmail author
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11165)

Abstract

The bag-of-visual-words (BoVW) method has been proved to be an effective method for classification tasks in both natural imaging and medical imaging. In this paper, we propose a multilinear extension of the traditional BoVW method for classification of focal liver lesions using multi-phase CT images. In our approach, we form new volumes from the corresponding slices of multi-phase CT images and extract cubes from the volumes as local structures. Regard the high dimensional local structures as tensors, we propose a K-CP (CANDECOMP/PARAFAC) algorithm to learn a tensor dictionary in an iterative way. With the learned tensor dictionary, we can calculate sparse representations of each group of multi-phase CT images. The proposed tensor was evaluated in classification of focal liver lesions and achieved better results than conventional BoVW method.

Keywords

Multi-phase CT Tensor analysis Sparse coding Image classification Focal liver lesion 

Notes

Acknowledgments

This research was supported in part by the Grant-in Aid for Scientific Research from the Japanese Ministry for Education, Science, Culture and Sports (MEXT) under the Grant No. 18H03267, and No. 18H04747, in part by the Key Science and Technology Innovation Support Program of Hangzhou under the Grant No.20172011A038, and in part by the National Key Basic Research Program of China under the Grant No. 2015CB352400.

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Jian Wang
    • 1
    • 2
  • Xian-Hua Han
    • 3
  • Jiande Sun
    • 1
  • Lanfen Lin
    • 4
  • Hongjie Hu
    • 5
  • Yingying Xu
    • 4
  • Qingqing Chen
    • 5
  • Yen-Wei Chen
    • 2
    • 4
    Email author
  1. 1.School of Information Science and EngineeringShandong Normal UniversityJinanChina
  2. 2.College of Information Science and EngineeringRitsumeikan UniversityKyotoJapan
  3. 3.Faculty of ScienceYamaguchi UniversityYamaguchiJapan
  4. 4.College of Computer Science and TechnologyZhejiang UniversityHangzhouChina
  5. 5.Department of RadiologySir Run Run Shaw HospitalHangzhouChina

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