做运动轨迹预测或动态系统建模的团队，这篇论文对比了主流模型的实际表现，混合LSTM方案在效率和精度上都有亮点，值得参考。
该论文研究了在信号处理管道中预测动态运动（如NBA球员轨迹）的挑战，传统方法如ARIMA和卡尔曼滤波难以处理非线性动态。机器学习方法如LSTM、GNN和Transformer提供了更高灵活性，但常未能显式捕捉时间依赖与上下文交互。实验表明，混合LSTM结合上下文信息在2秒预测范围内实现了最低最终位移误差1.51米，优于TCNN、GAT和Transformer，且所需数据和训练时间更少。研究强调没有单一架构在所有指标上最优，需根据任务选择模型。
Exploitation of Hidden Context in Dynamic Movement Forecasting: A Neural Network Journey from Recurrent to Graph Neural Networks and General Purpose Transformers
Forecasting within signal processing pipelines is crucial for mitigating delays, particularly in predicting the dynamic movements of objects such as NBA players. This task poses significant challenges due to the inherently interactive and unpredictable nature of sports, where abrupt changes in velocity and direction are prevalent. Traditional approaches, including (S)ARIMA(X), Kalman filters (KF), and Particle filters (PF), often struggle to model the non-linear dynamics present in such scenarios. Machine learning (ML) methods, such as long short-term memory (LSTM) networks, graph neural networks (GNNs), and Transformers, offer greater flexibility and accuracy but frequently fail to explicitly capture the interplay between temporal dependencies and contextual interactions, which are critical in chaotic sports environments. In this paper, we evaluate these models and assess their strengths and weaknesses. Experimental results reveal key performance trade-offs across input history length, generalizability, and the ability to incorporate contextual information. ML-based methods demonstrated substantial improvements over linear models across forecast horizons of up to 2s. Among the tested architectures, our hybrid LSTM augmented with contextual information achieved the lowest final displacement error (FDE) of 1.51m, outperforming temporal convolutional neural network (TCNN), graph attention network (GAT), and Transformers, while also requiring less data and training time compared to GAT and Transformers. Our findings indicate that no single architecture excels across all metrics, emphasizing the need for task-specific considerations in trajectory prediction for fast-paced, dynamic environments such as NBA gameplay.