Multiframe distortion-tolerant correlation filtering for video sequences

R. Kerekes; B. Narayanaswamy; M. Beattie; B. V. K. Vijaya Kumar; M. Savvides

doi:10.1117/12.665553

17 April 2006 Multiframe distortion tolerant correlation filtering for video sequences

R. Kerekes, B. Narayanaswamy, M. Beattie, B. V. K. Vijaya Kumar, M. Savvides

Proceedings Volume 6245, Optical Pattern Recognition XVII; 624509 (2006) https://doi.org/10.1117/12.665553
Event: Defense and Security Symposium, 2006, Orlando (Kissimmee), Florida, United States

Abstract

Distortion-tolerant correlation filter methods have been applied to many video-based automatic target recognition (ATR) applications, but in a single-frame architecture. In this paper we introduce an efficient framework for combining information from multiple correlation outputs in a probabilistic way. Our framework is capable of handling scenes with an unknown number of targets at unknown positions. The main algorithm in our framework uses a probabilistic mapping of the correlation outputs and takes advantage of a position-independent target motion model in order to efficiently compute posterior target location probabilities. An important feature of the framework is the ability to incorporate any existing correlation filter design, thus facilitating the construction of a distortion-tolerant multi-frame ATR. In our simulations, we incorporate the minimum average correlation energy Mellin radial harmonic (MACE-MRH) correlation filter design, which allows the user to specify the desired scale response of the filter. We test our algorithm on real and synthesized infrared (IR) video sequences that exhibit various degrees of target scale distortion. Our simulation results show that the multi-frame algorithm significantly improves the recognition performance of a MACE-MRH filter while requiring only a marginal increase in computation. We also show that, for an equivalent amount of added computation, using larger filter banks instead of multi-frame information is unable to provide a comparable performance increase.

Citation Download Citation

R. Kerekes, B. Narayanaswamy, M. Beattie, B. V. K. Vijaya Kumar, and M. Savvides "Multiframe distortion tolerant correlation filtering for video sequences", Proc. SPIE 6245, Optical Pattern Recognition XVII, 624509 (17 April 2006); https://doi.org/10.1117/12.665553

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