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| Two-Stage Image Classification Method Based on Three-Way Decisions |
| CHEN Chaofan1,2, ZHANG Hongyun1,2, CAI Kecan1,2, MIAO Duoqian1,2 |
1. College of Electronics and Information Engineering, Tongji University, Shanghai 201804
2. The Key Laboratory of Embedded System and Service Computing, Ministry of Education, Tongji University, Shanghai 201804 |
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Abstract A single model cannot handle the uncertainty in prediction results effectively, and therefore, the shadowed sets theory is introduced into image classification from the perspective of three-way decisions and a two-stage image classification method is designed. Firstly, samples are classified by convolutional neural networks to obtain the membership matrix. Then, a sample partitioning algorithm based on shadowed sets is employed to process the membership matrix and consequently the uncertain part of the classification results, the uncertain domain, for delayed decision making is obtained. Finally, feature fusion technique is utilized and SVM is regarded as a classifier for secondary classification to reduce the uncertainty of the classification results and improve the classification accuracy. Experiments on CIFAR-10 and Caltech 101 datasets validate the effectiveness of the proposed method.
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Received: 07 May 2021
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| Fund:National Natural Science Foundation of China(No.62076182,61976158,61976160) |
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Corresponding Authors:
ZHANG Hongyun, Ph.D., associate professor. Her research interests include principal curve algorithm, granular computing and fuzzy sets.
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| About author:: CHEN Chaofan, master student. His research interests include image classification, deep learning and granular computing.CAI Kecan, Ph.D. candidate. Her research interests include image classification and granular computing.MIAO Duoqian, Ph.D., professor. His research interests include artificial intelligence, machine learning, big data analysis and granular computing. |
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2021, Vol. 34 
