计算机科学 ›› 2026, Vol. 53 ›› Issue (4): 277-283.doi: 10.11896/jsjkx.250600108

• 计算机图形学&多媒体 • 上一篇    下一篇

基于混合量子经典长-短距离特征扩展网络的图像分类

郑毅, 贾星昊, 张骏温, 任爽   

  1. 北京交通大学计算机科学与技术学院 北京 100044
  • 收稿日期:2025-06-17 修回日期:2025-09-13 出版日期:2026-04-15 发布日期:2026-04-08
  • 通讯作者: 任爽(sren@bjtu.edu.cn)
  • 作者简介:(zhengy@bjtu.edu.cn)
  • 基金资助:
    国家自然科学基金(62072025)

Image Classification Based on Hybrid Quantum-Classical Long-Short Range Feature Extension Network

ZHENG Yi, JIA Xinghao, ZHANG Junwen, REN Shuang   

  1. School of Computer Science & Technology Engineering, Beijing Jiaotong University, Beijing 100044, China
  • Received:2025-06-17 Revised:2025-09-13 Published:2026-04-15 Online:2026-04-08
  • About author:ZHENG Yi,born in 2000,postgraduate.His main research interests include quantum computing and machine lear-ning.
    REN Shuang,born in 1981,Ph.D,associate professor,Ph.D supervisor.His main research interests include machine learning,quantum computing and 3D computer vision.
  • Supported by:
    National Natural Science Foundation of China(62072025).

摘要: 经典神经网络的规模、计算时长很难进一步突破,难以兼顾轻量化和高性能,在目前大数据时代下成为了解决海量数据的图像分类问题的瓶颈。而混合量子经典神经网络具有量子计算与经典计算的优势,能够进行高效的并行计算并具有较好的普适性。为此,设计了混合量子经典长-短距离特征扩展网络(Hybrid Quantum-Classical Long-Short Range Feature Extension Neural Network,HQC-LSNet),它是一种包含多个混合模块的多分支结构。通过多种量子旋转门及受控-Z门构成量子解耦全连接注意力机制,利用量子特性从量子增强特征空间中高效地获取长距离特征;与此同时,采用经典卷积模块获取短距离特征,并以组合特征图的方式进行特征扩展。在MNIST的十分类以及CIFAR-10数据集上的三分类这两个图像多分类任务上测试其准确率分别为99.42%和91.42%,相较于对应的经典模型及混合量子经典模型均有提升,而且该模型的参数量与时间复杂度相较于经典模型均有所减小。

关键词: 量子机器学习, 图像分类, 量子神经网络, 量子计算, 混合量子经典神经网络

Abstract: It is difficult to further break through the scale and computing time of classical neural networks,making it difficult to simultaneously achieve lightweight design and high performance.This has become a bottleneck in solving large-scale image classification problems in the era of big data.In contrast,hybrid quantum-classical neural networks combine the advantages of quantum and classical computing,enabling efficient parallel computation and strong generalizability.To address this,this paper proposes the hybrid quantum-classical long-short range feature extension neural network(HQC-LSNet),a multi-branch architecture composed of multiple hybrid modules.It incorporates a quantum decoupled fully connected attention mechanism built with various quantum rotation gates and controlled-Z gates to efficiently extract long-range features from a quantum-enhanced feature space.Simultaneously,a classical convolutional module is employed to capture short-range features,and feature extension is performed by combining the resulting feature maps.The model achieves classification accuracies of 99.42% on the ten-class MNIST dataset and 91.42% on a three-class CIFAR-10 dataset,outperforming corresponding classical and hybrid quantum-classical models.Additionally,HQC-LSNet reduces both the parameter count and time complexity compared to purely classical models.

Key words: Quantum machine learning, Image classification, Quantum neural network, Quantum computing, Hybrid quantum-classical neural network

中图分类号: 

  • TP183
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