Advances in security technologies: Imaging, anomaly detection, and target and biometric recognition

Security system design and analysis are constantly improving. There are advances in sensors, in system concept, and in signal and image processing that all contribute to these improvements. Several of these advances are discussed, with an emphasis on imaging sensors with a wide range of wavelengths and deployment scenarios. In order for a security system to provide timely, reliable information, the processing must be efficient and robust. Specific, yet generalizable, developments in surveillance systems and in recognition systems are detailed.