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A new algorithm based on track-before-detect (TBD) technology is proposed for the detection of dim moving point targets of unknown position and velocity in a sequence of digital images collected from a staring sensor. The algorithm, using the transformation of the pixel statistics on a composite image produced by integrating a few differential images, then performs the detection process followed by the TBD target enhancement procedure. This algorithm is applied to a variety of image sequences with moving clutter backgrounds that are usually supposed to be non-Gaussian processes. Compared with other algorithms, the new algorithm is not only computationally simple, but also has high performance. Theoretical and experimental results are also given.
Communications, Circuits and Systems and West Sino Expositions, IEEE 2002 International Conference on (Volume:2 )
Date of Conference: 29 June-1 July 2002