yusuke1997/dblp-id-title huggingface dataset:
Consideration of Human Vision in Crowd Simulations
Tracking Heavy Vehicles Based on Weigh-In-Motion and Inductive Loop Signature Technologies
Energy-Efficient Resource Allocation in Multi-UAV-Assisted Two-Stage Edge Computing for Beyond 5G Networks
Global Pose Initialization Based on Gridded Gaussian Distribution With Wasserstein Distance
Formal Design of Multi-Function Vehicle Bus Controller
Multiairport Capacity Management: Genetic Algorithm With Receding Horizon
A Scalable Approach to Detecting Safety Requirements Inconsistencies for Railway Systems
Fine-Grained Trajectory-Based Travel Time Estimation for Multi-City Scenarios Based on Deep Meta-Learning
MTLMetro: A Deep Multi-Task Learning Model for Metro Passenger Demands Prediction
Relaxed Energy Preserving Hashing for Image Retrieval
M 3 AN: Multitask Multirange Multisubgraph Attention Network for Condition-Aware Traffic Prediction
A Social Welfare Theory-Inspired Lexicographic Optimal Charging Scheduling Framework for Modular EV Fast Charging Stations
Cross-View Location Alignment Enhanced Spatial-Topological Aware Dual Transformer for Travel Time Estimation
An Interactive Web-Based Public Transport Enquiry System With Real-Time Optimal Route Computation
Multi Criteria Methodology for Aircraft Trajectory Planning Algorithm Selection: A Survey
Ship Emission Reduction via Energy-Saving Formation
Deep CNN, Body Pose, and Body-Object Interaction Features for Drivers' Activity Monitoring
A Connectivity Aware Path Planning for a Fleet of UAVs in an Urban Environment
FedServ: Federated Task Service in Fog-Enabled Internet of Vehicles
A Stochastic Traffic Flow Model-Based Reinforcement Learning Framework For Advanced Traffic Signal Control
Intelligent Gear Decision Method for Automatic Vehicles Based on Data Mining Under Uphill Conditions
Rapid Detection of Blind Roads and Crosswalks by Using a Lightweight Semantic Segmentation Network
Approximation-Based Robust Adaptive Automatic Train Control: An Approach for Actuator Saturation
Valve Fleets: A Novel Control Method for Mixed Traffic Flow Regulation With Applications in Bottleneck Segments
Deep Reinforcement Learning for Autonomous Driving: A Survey
Efficient Fire Segmentation for Internet-of-Things-Assisted Intelligent Transportation Systems
Design and Evaluation of a Robust Optical Beam-Interruption-Based Vehicle Classifier System
Security Challenges in Vehicular Cloud Computing
The Shortest Path Problem on a Time-Dependent Network With Mixed Uncertainty of Randomness and Fuzziness
Performance Modeling a Near-Infrared ToF LiDAR Under Fog: A Data-Driven Approach
Progression Cognition Reinforcement Learning With Prioritized Experience for Multi-Vehicle Pursuit
A Provably Secure Mobile User Authentication Scheme for Big Data Collection in IoT-Enabled Maritime Intelligent Transportation System
A Sequencing Game Approach for Eco-Friendly Platoon Merging in a Connected Environment
Design and Analysis of Longitudinal Controller for the Platoon With Time-Varying Delay
Adaptively Exploring Population Mobility Patterns in Flow Visualization
Traffic Parameters Estimation With Partial Vehicle Trajectories by the Iterative Partial Backpropagation Maximum Likelihood Estimation (IPB-MLE) Framework
An Adaptive Airspace Model for Quadcopters in Urban Air Mobility
Traffic Assignment Using a Density-Based Travel-Time Function for Intelligent Transportation Systems
Parallelized Particle and Gaussian Sum Particle Filters for Large-Scale Freeway Traffic Systems
Probabilistic Approach for Road-Users Detection
Continuous Traffic Flow Modeling of Driver Support Systems in Multiclass Traffic With Intervehicle Communication and Drivers in the Loop
Solving Vehicle Routing Problem Using Grover Adaptive Search Algorithm
An Optimal Battery Charging Algorithm in Electric Vehicle-Assisted Battery Swapping Environments
Estimation of Moving Direction and Size of Vehicle in High-Resolution Automotive Radar System
Neighbor-Aided Localization in Vehicular Networks
Road Network-Aware and Differentially Private Framework for Location and Location Histogram
International Large-Scale Vehicle Corpora for Research on Driver Behavior on the Road
An Intelligent Ride-Sharing Recommendation Method Based on Graph Neural Network and Evolutionary Computation
Application of the LP-ELM Model on Transportation System Lifetime Optimization
Identification, Characterization, and Prediction of Traffic Flow Patterns in Multi-Airport Systems
Resilient Platoon Control of Vehicular Cyber Physical Systems Under DoS Attacks and Multiple Disturbances
A Deep Learning-Based Contactless Driver State Monitoring Radar System for In-Vehicle Physiological Applications
Intelligent Optimizations for UAV, Digital Twin, and ISCC Enabled Intelligent Transportation Systems
Integrating Appearance and Edge Features for Sedan Vehicle Detection in the Blind-Spot Area
Human-Factors-in-Aviation-Loop: Multimodal Deep Learning for Pilot Situation Awareness Analysis Using Gaze Position and Flight Control Data
Safety and Human Factors Considerations in Connected and Automated Vehicles: Research Findings and Future Needs
Anti-Watermarking Stealthy Deception Attacks Against Networked Unmanned Surface Vehicles
Daytime-Mixed Non-Aligned Learning for Real Nighttime Image Enhancement
Recognizing Text-Based Traffic Signs
Spatio-Temporal Knowledge Transfer for Urban Crowd Flow Prediction via Deep Attentive Adaptation Networks
Detection and Tracking of Moving Objects at Intersections Using a Network of Laser Scanners
Knowledge-Driven Lane Change Prediction for Secure and Reliable Internet of Vehicles
Generic Proposal Evaluator: A Lazy Learning Strategy Toward Blind Proposal Quality Assessment
A Quantum Cryptographic Protocol for Secure Vehicular Communication
Quasi-Linear Optimal Path Controller Applied to Post Impact Vehicle Dynamics
Estimated Time of Arrival Using Historical Vessel Tracking Data
Blockchain in Digital Twins-Based Vehicle Management in VANETs
A Completing Missing Pedestrian Trajectories Method Driven by Prior-Posterior Knowledge and Interactive Information
Two Yard Crane Scheduling With Dynamic Processing Time and Interference
Robust Arbitrary-Time Path-Tracking Control Using Reduced Order Kinematic Model for Unmanned Ground Vehicles
Mobility Model for Contact-Aware Data Offloading Through Train-to-Train Communications in Rail Networks
Efficient Real-Time Control Design for Automatic Train Regulation of Metro Loop Lines
Few-Shot Testing of Autonomous Vehicles With Scenario Similarity Learning
Decomposition and Quantification of SOTIF Requirements for Perception Systems of Autonomous Vehicles
Delay-Aware Robust Control for Safe Autonomous Driving and Racing
Intra-Vehicle Networks: A Review
CapsLoc3D: Point Cloud Retrieval for Large-Scale Place Recognition Based on 3D Capsule Networks
Analysis of Time-to-Lane-Change-Initiation Using Realistic Driving Data
Vehicular Intrusion Detection System for Controller Area Network: A Comprehensive Survey and Evaluation
Exploring Travel Pattern Variability of Public Transport Users Through Smart Card Data: Role of Gender and Age
Edge Collaborative Caching Based on Incentive-Driven D3QN Combined With User Preferences in UAV-Assisted Vehicular Networks
Simplified Battery Pack Modeling Considering Inconsistency and Evolution of Current Distribution
Comparative Analysis of Driver Overtaking Behavior Near Low-Speed Automated Vehicles and Human-Driven Vehicles
Leveraging Anchor-Based LiDAR 3D Object Detection via Point Assisted Sample Selection
An Appearance-Motion Network for Vision-Based Crash Detection: Improving the Accuracy in Congested Traffic
UAV Enabled Content Distribution for Internet of Connected Vehicles in 5G Heterogeneous Networks
Trajectory Data Acquisition via Private Car Positioning Based on Tightly-coupled GPS/OBD Integration in Urban Environments
Occupants' Motion Comfort and Driver's Feel: An Explorative Study About Their Relation in Remote Driving
Emergency vehicle maneuvers and control laws for automated highway systems
Braking-Penalized Receding Horizon Control of Heavy-Haul Trains
Recognition of Car Makes and Models From a Single Traffic-Camera Image
SDR-GAIN: A High Real-Time Occluded Pedestrian Pose Completion Method for Autonomous Driving
Adaptive Decentralized Emergent Behavior Based Autonomous Platooning
Vehicle-Borne Multi-Sensor Temporal-Spatial Pose Globalization via Cross-Domain Data Association
Secure Data Sharing With Flexible Cross-Domain Authorization in Autonomous Vehicle Systems
A Systematic Literature Review of Simulated Cyber Attacks on Vehicles and Urban Traffic Control
A Novel Contract Theory-Based Incentive Mechanism for Cooperative Task-Offloading in Electrical Vehicular Networks
Dynamic Control of Airport Departures: Algorithm Development and Field Evaluation
Integrated Conflict Management for UAM With Strategic Demand Capacity Balancing and Learning-Based Tactical Deconfliction
A Statistical Approach Toward Channel Modeling With Application to Large-Scale Censored Data
Automatic Crack Detection on Two-Dimensional Pavement Images: An Algorithm Based on Minimal Path Selection
A Robust Environment-Aware Driver Profiling Framework Using Ensemble Supervised Learning
Developing Landmark-Based Pedestrian-Navigation Systems
Deep Learning in Lane Marking Detection: A Survey
Information Fusion for Secure Autonomous Drone Operations
Gaussian Process Regression for Transportation System Estimation and Prediction Problems: The Deformation and a Hat Kernel
LDNet: End-to-End Lane Marking Detection Approach Using a Dynamic Vision Sensor
A Secure Self-Certified Broadcast Authentication Protocol for Intelligent Transportation Systems in UAV-Assisted Mobile Edge Computing Environments
Feedback-Coordinated Ramp Control of Consecutive On-Ramps Using Distributed Modeling and Godunov-Based Satisfiable Allocation
Rethinking Urban Mobility Prediction: A Multivariate Time Series Forecasting Approach
SINet: A Scale-Insensitive Convolutional Neural Network for Fast Vehicle Detection
Multi-Authority CP-ABE Scheme With Cryptographic Reverse Firewalls for Internet of Vehicles
Scanning the Issue and Beyond: The Endless ITS Frontier in CSP Spaces
Extraction of Moving Objects From Their Background Based on Multiple Adaptive Thresholds and Boundary Evaluation
Integrated Scheduling Optimization for Automated Container Terminal: A Reinforcement Learning-Based Approach
Observer-Based Secure Predefined-Time Control of Vehicular Platoon Systems Under Attacks in Sensors and Actuators
Driver Steering Assistance for Lane-Departure Avoidance Based on Hybrid Automata and Composite Lyapunov Function
Overriding Autonomous Driving Systems Using Adaptive Adversarial Billboards
Responsibility-Based Socially Compatible Driving Behavior Modeling Verified by Hierarchical Multi-Agent Inverse Reinforcement Learning
A Survey of Battery Swapping Stations for Electric Vehicles: Operation Modes and Decision Scenarios
Contextual Recurrent Predictive Model for Long-Term Intent Prediction of Vulnerable Road Users
Construction of Regional Intelligent Transportation System in Smart City Road Network via 5G Network
Probabilistic Threshold k-ANN Query Method Based on Uncertain Voronoi Diagram in Internet of Vehicles
Robust Stochastic Control for High-Speed Trains With Nonlinearity, Parametric Uncertainty, and Multiple Time-Varying Delays
A Survey on Cyber-Security of Connected and Autonomous Vehicles (CAVs)
Aggregated Zero-Knowledge Proof and Blockchain-Empowered Authentication for Autonomous Truck Platooning
A Hybrid Trust Management Strategy for Reliable Cyber-Physical System in Intelligent Transportation
Privacy-Preserving Collaborative Estimation for Networked Vehicles With Application to Collaborative Road Profile Estimation
Secure and Efficient Authenticated Key Management Scheme for UAV-Assisted Infrastructure-Less IoVs
A Multi-Stage, Multi-Feature Machine Learning Approach to Detect Driver Sleepiness in Naturalistic Road Driving Conditions
Toward a Methodology for Assessing Electric Vehicle Exterior Sounds
Exploring Event-Driven Dynamic Context for Accident Scene Segmentation
Precise Localization of an Autonomous Car Based on Probabilistic Noise Models of Road Surface Marker Features Using Multiple Cameras
Automatic Detection of Asphalt Pavement Crack Width Based on Machine Vision
Hierarchical Velocity Optimization for Connected Automated Vehicles With Cellular Vehicle-to-Everything Communication at Continuous Signalized Intersections
T-Shaped CAN Feature Integration With Lightweight Deep Learning Model for In-Vehicle Network Intrusion Detection
A Tightly Coupled Bi-Level Coordination Framework for CAVs at Road Intersections
Vehicle control algorithms for cooperative driving with automated vehicles and intervehicle communications
Leveraging Textual Description and Structured Data for Estimating Crash Risks of Traffic Violation: A Multimodal Learning Approach
Optimal-Coupling-Observer AV Motion Control Securing Comfort in the Presence of Cyber Attacks
Vehicles Meet Infrastructure: Toward Capacity-Cost Tradeoffs for Vehicular Access Networks
Scalable Learning Framework for Traversable Region Detection Fusing With Appearance and Geometrical Information
Scheduling Online EV Charging Demand Response via V2V Auctions and Local Generation
Distributed Stochastic Model Predictive Control for Heterogeneous Vehicle Platooning Under Uncertainty
An Optimized Prediction Horizon Energy Management Method for Hybrid Energy Storage Systems of Electric Vehicles
FTPG: A Fine-Grained Traffic Prediction Method With Graph Attention Network Using Big Trace Data
Guard-Net: Lightweight Stereo Matching Network via Global and Uncertainty-Aware Refinement for Autonomous Driving
Collaborative Parking Vacancy Prediction for Cities With Partial Sensors Missing
Embedded Real-Time Vehicle and Pedestrian Detection Using a Compressed Tiny YOLO v3 Architecture
Adversarial Confidence Estimation Networks for Robust Stereo Matching
Development of Collision Avoidance System in Slippery Road Conditions
A Vision-Driven Model Based on Cognitive Heuristics for Simulating Subgroup Behaviors During Evacuation
$\varepsilon$-Constraint and Fuzzy Logic-Based Optimization of Hazardous Material Transportation via Lane Reservation
Tracking as a Whole: Multi-Target Tracking by Modeling Group Behavior With Sequential Detection
Driver Fatigue Detection Using Measures of Heart Rate Variability and Electrodermal Activity
Safe Optimal Vessel Planning on Natural Inland Waterways
Exact Formulation and Comparison Between the User Optimum and System Optimum Solution for Routing Privately Owned Automated Vehicles
Special issue on vision applications and technology for intelligent vehicles: part I-infrastructure
Overlay Cognitive ABCom-NOMA-Based ITS: An In-Depth Secrecy Analysis
A Survey of Vision-Based Traffic Monitoring of Road Intersections
An Initial Assessment of the Potential Weather Barriers of Urban Air Mobility
Joint Optimizing High-Speed Cruise Control and Multi-Hop Communication in Platoons: A Reinforcement Learning Approach
What is the Appropriate Temporal Distance Range for Driving Style Analysis?
Constrained Spatial Adaptive Iterative Learning Control for Trajectory Tracking of High Speed Train
Robust Network-Wide Bus Scheduling With Transfer Synchronizations
Boosting Vehicle-to-Cloud Communication by Machine Learning-Enabled Context Prediction
Full-Duplex Multiple Access Mechanism for Connected Vehicles Operating at Different Autonomous Levels in NR eV2X VANETs
A Novel Gate Resource Allocation Method Using Improved PSO-Based QEA
The Development of Vehicle Position Estimation Algorithms Based on the Use of AMR Sensors
Multi-AAV Cooperative Path Planning Using Nonlinear Model Predictive Control With Localization Constraints
An algorithm to estimate mean traffic speed using uncalibrated cameras
Secure and Temporary Access Delegation With Equality Test for Cloud-Assisted IoV
Hybrid Cascade Structure for License Plate Detection in Large Visual Surveillance Scenes
Diffusion Edge Guidance Network and Class Specific NMS for Vulnerable Target Detection in Surveillance Video of Urban Roadway
Vehicle Energy/Emissions Estimation Based on Vehicle Trajectory Reconstruction Using Sparse Mobile Sensor Data
Estimate the Pitch and Heading Mounting Angles of the IMU for Land Vehicular GNSS/INS Integrated System
Extended Observer for Urban Traffic Control Based on Limited Measurements From Connected Vehicles
Reliable Pretrip Multipath Planning and Dynamic Adaptation for a Centralized Road Navigation System
Comments on "Optimal Fault-Tolerant Path-Tracking Control for 4WS4WD Electric Vehicles"
Data-Enabled Tire-Road Friction Estimation Based on Explainable Dynamics Mechanism Under Straight Stationary Driving Maneuvers
CAFNet: Efficient Cost Aggregation via Conv-Atten Fusion for Real-Time Stereo Matching Toward Autonomous Driving
Sparse Road Network Model for Autonomous Navigation Using Clothoids
A Platoon-Based Hierarchical Merging Control for On-Ramp Vehicles Under Connected Environment
A robust word boundary detection algorithm for variable noise-level environment in cars
High-Precision Motion Detection and Tracking Based on Point Cloud Registration and Radius Search
Rollover-Preventive Force Synthesis at Active Suspensions in a Vehicle Performing a Severe Maneuver With Wheels Lifted Off
Spatiotemporal Analysis of Traffic Congestion Caused by Rubbernecking at Freeway Accidents
A Diffusion-Based Reactive Approach to Road Network Cooperative Persistent Surveillance
High-Precision Depth Estimation Using Uncalibrated LiDAR and Stereo Fusion
Multiple Subbands Coherent Accumulation Target Detection Algorithm for DDMA-MIMO Radar
Integrated Optimization on Double-Side Cantilever Yard Crane Scheduling and Green Vehicle Path Planning at U-Shaped Yard
Guest Editorial Introduction to the Special Issue on Advanced Signal Processing and AI Technologies for Transportation Big Data and Their Applications in COVID-19 Scenario and Beyond
Tensor-Train-Based Incremental High Order Dominant Z-Eigen Decomposition for Multi-Modal Intelligent Transportation Prediction
Co-MOT: Exploring the Collaborative Relations in Traffic Flow for 3D Multi-Object Tracking
Fast Spatiotemporal Learning Framework for Traffic Flow Forecasting
Stable Matching for Crowdsourcing Last-Mile Delivery
Scanning Laser Radar-Based Target Position Designation for Parking Aid System
HOOFR SLAM System: An Embedded Vision SLAM Algorithm and Its Hardware-Software Mapping-Based Intelligent Vehicles Applications
A Deep RL-Based Algorithm for Coordinated Charging of Electric Vehicles
Multi-Graph Convolutional-Recurrent Neural Network (MGC-RNN) for Short-Term Forecasting of Transit Passenger Flow
Synthetic Image Generation Model for Intelligent Vehicle Camera Function Testing in Rain and Fog
Cooperative Positioning for Vehicular Networks: Facts and Future
MPC-CSAS: Multi-Party Computation for Real-Time Privacy-Preserving Speed Advisory Systems
Impacts of COVID-19 on Ship Behaviours in Port Area: An AIS Data-Based Pattern Recognition Approach
Image-Based Learning to Measure Traffic Density Using a Deep Convolutional Neural Network
Option-Based Multi-Agent Reinforcement Learning for Painting With Multiple Large-Sized Robots
Minimizing Emission for Timely Heavy-Duty Truck Transportation
Macroscopic View: Crowd Evacuation Dynamics at T-Shaped Street Junctions Using a Modified Aw-Rascle Traffic Flow Model
Space-Air-Sea-Ground Integrated Monitoring Network-Based Maritime Transportation Emergency Forecasting
A Bibliographic Analysis of the IEEE Transactions on Intelligent Transportation Systems Literature
OQFL: An Optimized Quantum-Based Federated Learning Framework for Defending Against Adversarial Attacks in Intelligent Transportation Systems
A Deep Learning Method for Pavement Crack Identification Based on Limited Field Images
Deep Reinforcement Learning-Based Task Offloading for Vehicular Edge Computing With Flexible RSU-RSU Cooperation
A Multi-Objective Model for Traffic Signal Coordination Control With Queue Profile Estimation
Magnetic Field Generated by the Loops Used in Traffic Control Systems
Traffic Scene Classification on a Representation Budget
Fundamental Limits of Missing Traffic Data Estimation in Urban Networks
Trajectory Planning Based on Spatio-Temporal Map With Collision Avoidance Guaranteed by Safety Strip
PRTF: Polar Space Represented Multi-View 3D Object Detection With Temporal Fusion Enhancement
On the Accuracy of Inter-Vehicular Range Measurements Using GNSS Observables in a Cooperative Framework
Hierarchical-Learning-Based Task Assignment for Heterogeneous Multi-AUV-UG Collaborative System to Collect Data From Underwater Sensors
An Autonomous Path Planning Method for Unmanned Aerial Vehicle Based on a Tangent Intersection and Target Guidance Strategy
Change Point Models for Real-Time Cyber Attack Detection in Connected Vehicle Environment
Multiobjective Vehicle Routing Optimization With Time Windows: A Hybrid Approach Using Deep Reinforcement Learning and NSGA-II
Robust Decision Making for Autonomous Vehicles at Highway On-Ramps: A Constrained Adversarial Reinforcement Learning Approach
Semantic-Aligned Attention With Refining Feature Embedding for Few-Shot Image Classification
An Eco-Driving Strategy for Partially Connected Automated Vehicles at a Signalized Intersection
Adaptive and Non-Adaptive Strategies for Optimal Energy Management and Sizing of a Dual Storage System in a Hybrid Electric Bus
Efficient Long-Term Dependencies Learning for Passenger Flow Prediction With Selective Feedback Mechanism
iParker - A New Smart Car-Parking System Based on Dynamic Resource Allocation and Pricing
Optimal Control for Speed Harmonization of Automated Vehicles
Robust Vehicle Sideslip Angle Estimation Through a Disturbance Rejection Filter That Integrates a Magnetometer With GPS
Mobile Phone Use Driver Distraction Detection Based on MSaE of Multi-Modality Physiological Signals
A Trust Model for Edge-Driven Vehicular Ad Hoc Networks Using Fuzzy Logic
A Stochastic Emergency Vehicle Redeployment Model for an Effective Response to Traffic Incidents
The Multimodal Driver Monitoring Database: A Naturalistic Corpus to Study Driver Attention
A Reinforcement Learning Approach for Enacting Cautious Behaviours in Autonomous Driving System: Safe Speed Choice in the Interaction With Distracted Pedestrians
A Gaze-Based Driver Distraction Warning System and Its Effect on Visual Behavior
Modeling and Analysis of the Lane-Changing Execution in Longitudinal Direction
Event-Triggered-Based Distributed Formation Cooperative Tracking Control of Under-Actuated Unmanned Surface Vehicles With Input and State Quantization
SRS-YOLO: Improved YOLOv8-Based Smart Road Stud Detection
A Novel Smooth Variable Structure Filter for Target Tracking Under Model Uncertainty
Fuzzy Logic Strategy for Priority Control of Electric Vehicle Charging
Overall Traffic Mode Prediction by VOMM Approach and AR Mining Algorithm With Large-Scale Data
V2X and Deep Reinforcement Learning-Aided Mobility-Aware Lane Changing for Emergency Vehicle Preemption in Connected Autonomous Transport Systems
Predicting the Public Adoption of Connected and Autonomous Vehicles
A Novel Dual Speed-Curve Optimization Based Approach for Energy-Saving Operation of High-Speed Trains
Electric Vehicle Next Charge Location Prediction
Using a Head-up Display-Based Steady-State Visually Evoked Potential Brain-Computer Interface to Control a Simulated Vehicle
FusionLane: Multi-Sensor Fusion for Lane Marking Semantic Segmentation Using Deep Neural Networks
Simultaneous Allocation and Scheduling of Quay Cranes, Yard Cranes, and Trucks in Dynamical Integrated Container Terminal Operations
Application of Graph Learning With Multivariate Relational Representation Matrix in Vehicular Social Networks
Nonlinear Moving Horizon Estimation for Large-Scale Urban Road Networks
A Machine Learning Approach for Energy-Efficient Intelligent Transportation Scheduling Problem in a Real-World Dynamic Circumstances
Railway Traffic Object Detection Using Differential Feature Fusion Convolution Neural Network
Personalized Situation Adaptive Human-Vehicles-Interaction (HVI) Prediction in COVID-19 Context
Intervehicle-Communication-Assisted Localization
2F-TP: Learning Flexible Spatiotemporal Dependency for Flexible Traffic Prediction