arXiv:2506.00447cs.CV2025-06被引 11

提出新模型提升孟加拉手写字符识别准确率,尤其在数据极少时表现更优。

Performance Analysis of Few-Shot Learning Approaches for Bangla Handwritten Character and Digit Recognition

  • 融合聚类与原型学习,多层级提取特征以捕捉复杂笔画细节。
  • 在多个测试场景下超越现有方法,最高准确率达89.6%。
  • 适合低资源语言文字识别研究者参考,对跨语言迁移有启发。

本研究探讨少样本学习(FSL)方法在有限标注数据条件下识别孟加拉手写字符和数字的性能。针对孟加拉文结构复杂、数据稀缺的问题,提出混合网络SynergiProtoNet,结合先进聚类技术与稳健嵌入框架,在原型学习中实现高低层特征联合提取。在单语内/间数据集评估、跨语言迁移及分组数字测试等多场景下,与BD-CSPN、Prototypical Network、Relation Network、Matching Network、SimpleShot等先进模型对比。实验结果表明,SynergiProtoNet在所有设置中均表现最优,建立新基准。代码已开源:https://github.com/MehediAhamed/SynergiProtoNet。

原文摘要 · Abstract (English)

This study investigates the performance of few-shot learning (FSL) approaches in recognizing Bangla handwritten characters and numerals using limited labeled data. It demonstrates the applicability of these methods to scripts with intricate and complex structures, where dataset scarcity is a common challenge. Given the complexity of Bangla script, we hypothesize that models performing well on these characters can generalize effectively to languages of similar or lower structural complexity. To this end, we introduce SynergiProtoNet, a hybrid network designed to improve the recognition accuracy of handwritten characters and digits. The model integrates advanced clustering techniques with a robust embedding framework to capture fine-grained details and contextual nuances. It leverages multi-level (both high- and low-level) feature extraction within a prototypical learning framework. We rigorously benchmark SynergiProtoNet against several state-of-the-art few-shot learning models: BD-CSPN, Prototypical Network, Relation Network, Matching Network, and SimpleShot, across diverse evaluation settings including Monolingual Intra-Dataset Evaluation, Monolingual Inter-Dataset Evaluation, Cross-Lingual Transfer, and Split Digit Testing. Experimental results show that SynergiProtoNet consistently outperforms existing methods, establishing a new benchmark in few-shot learning for handwritten character and digit recognition. The code is available on GitHub: https://github.com/MehediAhamed/SynergiProtoNet.

少样本学习手写识别孟加拉文原型网络

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