▣ Title : Technology for Automatic Target Recognition and Pending Issues for Real-Time Application

▣ Speaker : Sang Hong Park(Pukyong National University)

▣ Date & Time : Friday, April 25(2:00 ~ 3:30pm)

▣ Place : LG Research Building, Room #101

▣ Host : Prof. Byung Sub Kim (T. 2382)

▣ Abstract :

Radar is an object-detection system that uses the radio wave to collect the information of an unknown object such as the range, direction, and speed. Since first patented in 1904 by Christian Hulsmeyer, it has evolved into a progressively more sophisticated sensor and as a result, the modern radar system is equipped with automatic target recognition (ATR) capabilities in addition to its primitive functions. The recognition capability of the radar is being effectively utilized for various military and civil areas and contributes to successful accomplishment of each mission.

Three types of radar signatures are used for ATR of targets; high resolution range profile (HRRP), inverse synthetic aperture radar (ISAR) image and micro-Doppler (MD) frequency. HRRP is a one-dimensional projection of the target scatterer, ISAR image is the two-dimensional (2D) distribution of the scatterer, and MD is the time-varying frequency caused by the micro-motion of a target. Each method provides high recognition results depending on the direction of the target movement. However, still there are major issues that should be solved for the real-time application of the ATR technology.

This presentation introduces basic principles of three types of the radar signature mentioned above and the basic components of the ATR procedure. Then, pending issues for real-time application of ATAR is presented and recent solutions are discussed.