Author

Kaiqi Zhao

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#artificial intelligence Preprint May 2025

MMS-VPR: A Fine-Grained Multimodal Street-Level Visual Place Recognition Dataset and Evaluation Benchmark for Dense Pedestrian Environments

A unified benchmarking platform consolidating 22 baselines spanning shallow ML, CNN, Transformer, graph neural network (GNN), and multimodal architectures under a standardized, reproducible pipeline for pedestrian-level place recognition in dense urban environments is released.

Yi-Wei Ou, Xiao-Bin Ren, Rong Sun et al. · 5 citations

Preprint Aug 2026

Geometry-aware neural causal discovery for large-scale spatiotemporal systems

GeoDCD is introduced, a geometry-aware neural framework that uses spatial coordinates to initialize a learnable hierarchy and converts a trained nonlinear predictor into time-varying directed graphs through input-output Jacobian sensitivity analysis.

Hao-Yang Yan, Kai-Qi Zhao, Weiping Wang et al. · 0 citations