基于深度网络的快速少样本学习算法

doi:10.16451/j.cnki.issn1003-6059.202110007

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Abstract The cognitive process of the few-shot learning method simulating human learning from a small number of samples is one of the hotspots in the machine learning field. To solve the problems of large task volume and serious overfitting in the iterative process of the current few-shot learning methods, a fast few-shot learning algorithm based on deep network is proposed. Firstly, the kernel density estimation and image filtering methods are utilized to add multiple types of random noise to the training set to generate support sets and query sets. Then, the prototype network is applied to extract the image features of the support set and query set. According to the Bregman divergence, the center point of the support sample of each type of support set is employed as the class prototype. Then, the L2 norm is utilized to measure the distance between the support set and the query image. Multiple heterogeneous base classifiers are generated using cross-entropy feedback loss. Finally, the voting mechanism is introduced to fuse the nonlinear classification results of the base classifiers. Experiments show that the proposed algorithm speeds up the convergence of few-shot learning with higher classification accuracy and strong robustness.

Key words： Deep Network Few-Shot Learning Bregman Divergence Metric Learning

Received: 26 July 2021

ZTFLH:

TP 391.4

Fund:National Natural Science Foundation of China(No.61876158), Fundamental Research Funds for the Central Universities(No.2682021ZTPY030)

Corresponding Authors: FENG Lin, Ph.D., professor. His research interests include machine learning and data mining.

About author:: DAI Leichao, master student. His research interests include computer vision and pattern recognition.
SHANG Xinglin, master student. Her research interests include machine learning.
SU Han, Ph.D., professor. Her research interests include pattern recognition and image processing.
GONG Xun, Ph.D., professor. His research interests include computer vision, pa-ttern recognition and medical image proce-ssing.

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	DAI Leichao
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	GONG Xun

Cite this article:

DAI Leichao,FENG Lin,SHANG Xinglin等. Fast Few-Shot Learning Algorithm Based on Deep Network[J]. , 2021, 34(10): 941-956.

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http://manu46.magtech.com.cn/Jweb_prai/EN/10.16451/j.cnki.issn1003-6059.202110007 OR http://manu46.magtech.com.cn/Jweb_prai/EN/Y2021/V34/I10/941

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