Spatiotemporal Traffic Flow Probabilistic Prediction Model Based on Graph-Coupled Residual Flow Matching

SHEN Wenwen; BAO Fuguang; JU Chunhua

doi:10.11959/j.issn.1000-0801.DXKX260236

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Spatiotemporal Traffic Flow Probabilistic Prediction Model Based on Graph-Coupled Residual Flow Matching

更新时间：2026-07-21

- Spatiotemporal Traffic Flow Probabilistic Prediction Model Based on Graph-Coupled Residual Flow Matching
- Telecommunications Science (2026)
- 作者机构：
  
  1.浙江工商大学管理工程与电子商务学院，浙江杭州 3100018
  2.浙江工商大学现代商贸研究中心，浙江杭州 310018
- 作者简介：
- 基金信息：
  
  The National Natural Science Foundation of China(71571162);The National Natural Science Foundation of Zhejiang Province(LQ20G010002)
- DOI：10.11959/j.issn.1000-0801.DXKX260236
  CLC： TP181
- Received：17 April 2026，
  
  Revised：2026-06-19，
  
  Accepted：03 July 2026，
- 稿件说明：
移动端阅览
SHEN Wenwen, BAO Fuguang, JU Chunhua. Spatiotemporal Traffic Flow Probabilistic Prediction Model Based on Graph-Coupled Residual Flow Matching[J/OL]. Telecommunications Science, 2026.
DOI：

SHEN Wenwen, BAO Fuguang, JU Chunhua. Spatiotemporal Traffic Flow Probabilistic Prediction Model Based on Graph-Coupled Residual Flow Matching[J/OL]. Telecommunications Science, 2026. DOI： 10.11959/j.issn.1000-0801.DXKX260236.

摘要

为兼顾交通流点预测精度与概率校准表现，提出图耦合残差流匹配（ST-RFM）框架，将连续流匹配引入图结构时序建模。首先，设计多尺度时序条件模块，解耦提取趋势、周期与波动特征；其次，构建图耦合反应-扩散向量场，在生成动力学内部显式分离节点演化与空间校正，增强对路网动态演化的捕捉能力；最后，采用残差流匹配目标，通过锚定最近观测学习变化量，保留连续性先验。在 PEMS03、04 和 08 数据集上的实验结果表明，该算法在维持高精度点预测的同时显著提升了概率校准性能，其中 PEMS08 的 CRPS 和 MIS95 指标分别降低 3.8% 与 43.9%，该研究为生成式时空交通预测中的不确定性量化提供了有效的技术方案。

Abstract

To strike a balance between point prediction accuracy and probabilistic calibration performance in traffic flow forecasting

a Graph-Coupled Residual Flow Matching (ST-RFM) framework was proposed

which integrated continuous flow matching into graph-structured spatiotemporal modeling. First

a lightweight multi-scale temporal condition module was designed to decouple and extract trend

periodicity

and volatility features. Second

a graph-coupled reaction-diffusion vector field was constructed to explicitly separate node-level evolution and spatial correction within the generative dynamics

thereby enhancing the capability to capture the dynamic evolution of road networks. Finally

a residual flow matching objective was adopted to learn future variations by anchoring to recent observations

which effectively preserved the continuity prior of traffic evolution. Experimental results on PEMS03

and 08 datasets demonstrated that the proposed algorithm significantly improved probabilistic calibration performance while maintaining high point prediction accuracy. Specifically

the CRPS and MIS95 metrics on PEMS08 were reduced by 3.8% and 43.9%

respectively. This research provides an effective technical solution for uncertainty quantification in generative spatiotemporal traffic forecasting.

关键词

Keywords

references

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