Scientific Research Publishing

Geo-Refined Point Transformer: Coordinate-Aware Excitation and Positional Upsampling for 3D Scene Segmentation ()

The proposed Coordinate-Aware Feature Excitation (CAFE) module and Position-Aware Upsampling (Pos-Up) module both adhere to ...
IEEE

Actuarial Risk Assessment and Pricing Optimization Algorithm Based on Graph Neural Network

Abstract: In this study, we proposed a new method combining graph sampling aggregation network (GraphSAGE), Contrastive Learning (CL) and Bayesian Optimization. First, GraphSAGE was used to model the ...
IEEE

GNSS Spoofing Mitigation for Resilient Train Positioning using Sparse Factor Graph Optimization

Abstract: In intelligent railway systems, spoofing attacks pose significant cybersecurity threats to train positioning based on Global Navigation Satellite System (GNSS). To enhance the resilience of ...