Title :
An algorithm for detection of moving optical targets
Author :
Pohlig, Stephen C.
Author_Institution :
Lincoln MIT Lab., Lexington, MA, USA
fDate :
1/1/1989 12:00:00 AM
Abstract :
An algorithm is described for detecting moving optical targets against spatially nonstationary Poisson background and noise. The algorithm has applications in optical detection of objects such as meteors, asteroids, and satellites against a stellar background. A maximum-likelihood approach is used which results in reducing interference from stars. It is shown that by choosing a detection threshold to provide a constant false alarm rate, the resulting algorithm is independent of the signal strength of the target. An analysis of this algorithm is presented, showing the probability of detection for several false-alarm rates
Keywords :
astronomical techniques; astronomy computing; interference suppression; optical information processing; signal detection; asteroids; astronomical technique; constant false alarm rate; detection threshold; maximum-likelihood approach; meteors; moving optical targets; noise; optical detection; probability of detection; satellites; spatially nonstationary Poisson background; stellar background; Background noise; Charge coupled devices; Charge-coupled image sensors; Filtering; Interference; Object detection; Optical detectors; Optical noise; Optical sensors; Sensor arrays;
Journal_Title :
Aerospace and Electronic Systems, IEEE Transactions on
