Mobile Computing Lab.
Smart Mobility & Transportation
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Map-Aware Super-Resolution GPS Trajectory Reconstruction via Machine Learning
This research aims to realize a novel system for reconstructing high-resolution GPS trajectory data from truncated or lo...

Understanding Visitor Mobility Patterns in Public Spaces: A Case Study of Wakayama Castle Park
Understanding visitor mobility in public spaces is essential for optimizing transportation services and improving access...

Interpretable Environmental Condition Recognition for Autonomous Driving Using Surrogate Decision Trees
In autonomous driving, sensors play a critical role in perceiving the surrounding environment and ensuring safe driving....

Traffic Safety Assistance System for Electric Scooters
In recent years, electric scooters (E-Scooters) have rapidly gained popularity worldwide as a key mode of micromobility....

Physics-Informed Generative Adversarial Networks for Range-Doppler Map Generation under Inter-Vehicle Occlusion
Deep Learning has recently expanded the potential of radar technology. Integrating neural networks with radar enables au...

LLM-Driven Adaptive Autonomous Robot Navigation via Multimodal Fusion for Dynamic Environments
This research addresses the challenges of autonomous robot navigation in dynamic, high-density environments (e.g., train...

Quantum Approximation Method and Neural-Integrated Mathematical Optimization Algorithm for Elderly Care Taxi Dispatch Problem
In Japan, the aging population is increasing, leading to a growing number of elderly individuals utilizing nursing care ...

Lightweight Merging Point Prediction on Highway On-Ramps Using Regression Techniques
This study introduces a lightweight machine learning framework for forecasting the merging points of vehicles on on-ramp...

Optimizing Nursing Care Taxi Dispatch Leveraging Integer Linear Programming Solvers and Machine Learning
The aging population is creating crucial demand for the transportation services at the facilities for older people. Vehi...

Human Presence Detection Using Bluetooth Channel Sounding
Accidents involving children being left behind in vehicles have become a serious social issue both domestically and inte...

A Vehicle Tracking Method Based on Distance Estimation Using Dashboard Camera
In recent years, mobility data representing the flow of cars and people in an urban environment is expected to be used f...

A Method for Synthesizing Vehicle Mobility in Urban Areas Using Traffic Surveillance Cameras
We present a case study on synthesizing realistic vehicle mobility using link traffic information extracted from surveil...

An Efficient Method for Evaluating Delay Performance Using Worst-Case Estimates Based on Network Calculus
In recent years, modern vehicles have been equipped with a growing number of sensors beyond traditional in-car systems s...