语义分割模型训练方法、装置、计算机设备和存储介质

An improved method for constructing class prototype vectors and loss functions in loan monitoring solves the problem of inaccurate semantic segmentation under limited sample data in loan monitoring in remote areas, and achieves high-accuracy segmentation of loan monitoring images with limited samples.

CN115861617BActive Publication Date: 2026-07-17INDUSTRIAL AND COMMERCIAL BANK OF CHINA

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
INDUSTRIAL AND COMMERCIAL BANK OF CHINA
Filing Date
2022-12-12
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In loan monitoring in remote areas, due to the difficulty of background investigation and the scarcity of valid monitoring data, existing semantic segmentation models based on prototype learning are not accurate enough in terms of segmentation results with limited sample data.

Method used

By acquiring sample support images and mask labels from the training task, class prototype vectors are determined, first and second loss functions are constructed, a semantic segmentation model is trained based on the target loss function, and semantic segmentation is performed with a small number of samples using an improved prototype fusion strategy.

Benefits of technology

With only a small amount of sample data, the semantic segmentation accuracy of loan monitoring images was improved, ensuring the accuracy of pre-loan investigation and post-loan monitoring.

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Abstract

本申请涉及一种语义分割模型训练方法、装置、计算机设备、存储介质和计算机程序产品。所述方法包括:基于训练任务中的样本支持图像以及样本支持图像对应的掩码标签,获取各图像类型对应的类原型向量;基于类原型向量对各样本图像进行语义分割,获得样本支持图像对应的掩码预测结果以及样本查询图像对应的掩码预测结果;基于样本支持图像对应的掩码预测结果以及样本查询图像对应的掩码预测结果构建目标损失函数;基于目标损失函数对语义分割模型进行训练,获得训练后的语义分割模型。采用本方法能够在仅有少量样本数据的情况下保证贷款监测图像语义分割的准确性。
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