A Review on Radar-Based Human Detection Techniques

Area of Science:

• * Radar Systems Engineering
• * Biometric Recognition Technologies
• * Signal Processing for Human Activity Recognition

Background:

• * Radar systems are widely utilized across various sectors including air traffic control, meteorology, and defense.
• * Micro-Doppler radar technology offers unique capabilities for detecting and recognizing human subjects.
• * Existing research in radar-based human recognition is diverse and requires systematic organization.

Purpose of the Study:

• * To provide a comprehensive review of the current state of micro-Doppler radar-based human recognition.
• * To establish a taxonomy and classification of existing literature in this field.
• * To offer guidelines for future research directions in radar-based human recognition.

Main Methods:

• * Systematic literature review and analysis of micro-Doppler radar for human detection and recognition.
• * Classification of studies based on radar types, research focus, and targeted applications.
• * Evaluation of security concerns identified in the existing body of research.

Main Results:

• * A structured taxonomy categorizing micro-Doppler radar human recognition studies.
• * Identification of key research trends, common methodologies, and prevalent use cases.
• * A critical assessment of security implications associated with radar-based human recognition.

Conclusions:

• * Micro-Doppler radar is a promising technology for human detection and recognition.
• * A systematic classification is essential for understanding the field's progress and identifying research gaps.
• * Further research should consider the identified use cases and security concerns to advance the technology responsibly.