Design of an Iterative Hybrid Deep Learning and GIS-MCDM Framework for Predictive High-Speed Rail Alignment Under Spatiotemporal and Uncertainty Constraints

International Journal of Civil Engineering
© 2025 by SSRG - IJCE Journal
Volume 12 Issue 10
Year of Publication : 2025
Authors : Yogesh P. Kherde, Uday P. Waghe, Radhika S. Thakre, Rajesh M. Bhagat, Anup K. Chitkeshwar, Vaibhav Dhawale, Vinay K Jha, Sanyogita P Rathod, Sujal R Kahate
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Yogesh P. Kherde, Uday P. Waghe, Radhika S. Thakre, Rajesh M. Bhagat, Anup K. Chitkeshwar, Vaibhav Dhawale, Vinay K Jha, Sanyogita P Rathod, Sujal R Kahate, "Design of an Iterative Hybrid Deep Learning and GIS-MCDM Framework for Predictive High-Speed Rail Alignment Under Spatiotemporal and Uncertainty Constraints," SSRG International Journal of Civil Engineering, vol. 12,  no. 10, pp. 121-138, 2025. Crossref, https://doi.org/10.14445/23488352/IJCE-V12I10P110

Abstract:

The alignment planning of HSR tracks should be intelligent, resilient to future uncertainties, and able to satisfy dynamic changes of the environment, city agglomeration, and the social-economy. The existing methods that mainly use deterministic static GIS-MCDM models and GIS-based spatial models subconsciously fail to draw several spatiotemporal variabilities and uncertainties linked with the expected long-term landscape evolution; that is, they are not predictive, they do not include unnecessary uncertainties, and they have weighted their criteria as fixed values; due to their lack of credibility in planning practices, their use probably may not be highly relevant for real-world planning scenarios. Mindful of the limitations mentioned above, the research proposes a hybrid framework integrating deep learning with GIS-analytical MCDM to optimally align the tracks of HSRs in a predictive mode. Land-use changes and environmental risks are envisaged through the ST-GCN by using historical satellite remote sensing imagery to facilitate the accurate prediction of future status in a multi-temporal manner. Subsequently, under diverse climate and urban growth scenarios, the probability distributions of risk maps will be created by the Conditional Variational Autoencoders (C-VAE), thereby providing measures of uncertainty with 1,000-plus plausible futures. The criteria involved in making decisions will vary with changing predictions by a Hybrid Spatial-Temporal Attention Mechanism that will enable GIS-MCDM layers to be reweighted in real-time based on the predicted evolution of hotspots. Using a reinforcement-learning scheme, Deep Reinforcement Learning (DRL) will further optimize the core alignment by learning the routing strategies that minimize risk exposure and maximize compatibility with future conditions. Its ever-so Multi-Fidelity Bayesian will integrate cadastral data with multiple sources into the complex process. Data Fusion is used for high/low-res data synthesis and provides uncertainty-enabled input maps to steer the DRL and MCDM processes. This proposal will increase alignment robustness by 30%. Sharpened the conflict score without changing the prediction uncertainty inside ±10% accuracy of the true value in the process. This is a step that leads to adaptive, data-informed, and resilient Design of HSR infrastructure for long-term spatiotemporal variability in the process.

Keywords:

Spatiotemporal Prediction, High-Speed Rail, Deep Learning, GIS-MCDM, Alignment Optimization, Process.

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