IMRadar: Bidirectional Velocity Mamba for Contactless Human Behavior Sensing
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Summary
This summary is machine-generated.This study introduces IMRadar, an intelligent behavior sensing system using a novel bidirectional velocity Mamba (BVMamba) model. It achieves over 98% accuracy in contactless human behavior perception from channel state information (CSI).
Area Of Science
- Computer Science
- Artificial Intelligence
- Signal Processing
Background
- Intelligent human behavior sensing using channel state information (CSI) is crucial for contactless health monitoring.
- Existing methods struggle with global context perception, high computational costs, and unidirectional feature extraction.
Purpose Of The Study
- To develop a novel bidirectional velocity Mamba (BVMamba) model for enhanced human behavior sensing.
- To construct an intelligent behavior sensing system, IMRadar, for robust contactless perception.
Main Methods
- Utilizing velocity information from CSI data for motion state characterization.
- Employing the BVMamba model, comprising forward (FVMamba), reverse (RVMamba), and fusion (FUBlock) components, for deep feature extraction.
- Analyzing global deep behavioral features from both forward and reverse directions to capture complex dynamic characteristics.
Main Results
- The IMRadar system demonstrated excellent recognition performance across multiple datasets (ARIL, Widar, IM-HAR).
- Achieved accuracy rates exceeding 98% on all tested datasets, highlighting its effectiveness.
- The BVMamba model successfully captured dynamic characteristics of complex human behaviors.
Conclusions
- IMRadar provides an efficient and robust solution for non-contact behavior perception technology.
- The proposed BVMamba model overcomes limitations of existing feature extraction networks.
- This approach significantly advances the field of intelligent sensing for health monitoring and beyond.

