Journal
DIGITAL SIGNAL PROCESSING
Volume 123, Issue -, Pages -Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.dsp.2022.103400
Keywords
Breast histopathology image classification; Deep transfer network; Deep manifold feature fusion; Local preserving regularization
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Funding
- National Natural Science Foun-dation of China NSFC [61771080]
- Basic and Advanced Re-search Project in Chongqing [cstc2020jcyj-msxmX0523, cstc2020jcyj-msxmX0641]
- Chongqing Technology Innovation and Applica-tion Development special key project [cstc2020jscx-fyzx0212]
- Chongqing Social Science Planning Project [2018YBYY133]
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In this study, a breast histopathology image classification method based on deep manifold fusion of multilayer features, LPMF2Net, is proposed. By fusing features at different levels and applying local preserving projection and adaptive adjustment of the projection matrix, the model's effectiveness is verified through experimental results.
Histopathology image analysis is the gold standard for breast cancer diagnosis, yet the classification of breast histopathology images is challenging. Convolutional neural networks usually classify images based on deep abstract features only, ignoring the influence of structure information contained in low-level features, which limits the classification ability of deep models. To address the above problem, a breast histopathology image classification method based on the deep manifold fusion of multilayer features is proposed, LPMF2Net. By exploring the complementarity between features at different levels, the multilayer features were cross-cascaded and fused to enhance the cell structure characterization ability. Local preserving projection is applied for the fused features to reduce the interference of redundant information and optimize fusion performance. Moreover, the projection matrix was adaptively adjusted according to the local preserving regularization term to further optimize the model. The proposed LPMF2Net model was tested on the public dataset BreaKHis, and the experimental results (40x: 94.91%, 100x: 96.12%, 200x: 95.51%, 400x: 95.42%) proved its effectiveness. (c) 2022 Elsevier Inc. All rights reserved.
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