A fast automatic target detection method for detecting ships in infrared scenes

Kemal Arda Özertem

doi:10.1117/12.2222510

12 May 2016 A fast automatic target detection method for detecting ships in infrared scenes

Kemal Arda Özertem

Proceedings Volume 9844, Automatic Target Recognition XXVI; 984404 (2016) https://doi.org/10.1117/12.2222510
Event: SPIE Defense + Security, 2016, Baltimore, MD, United States

Abstract

Automatic target detection in infrared scenes is a vital task for many application areas like defense, security and border surveillance. For anti-ship missiles, having a fast and robust ship detection algorithm is crucial for overall system performance. In this paper, a straight-forward yet effective ship detection method for infrared scenes is introduced. First, morphological grayscale reconstruction is applied to the input image, followed by an automatic thresholding onto the suppressed image. For the segmentation step, connected component analysis is employed to obtain target candidate regions. At this point, it can be realized that the detection is defenseless to outliers like small objects with relatively high intensity values or the clouds. To deal with this drawback, a post-processing stage is introduced. For the post-processing stage, two different methods are used. First, noisy detection results are rejected with respect to target size. Second, the waterline is detected by using Hough transform and the detection results that are located above the waterline with a small margin are rejected. After post-processing stage, there are still undesired holes remaining, which cause to detect one object as multi objects or not to detect an object as a whole. To improve the detection performance, another automatic thresholding is implemented only to target candidate regions. Finally, two detection results are fused and post-processing stage is repeated to obtain final detection result. The performance of overall methodology is tested with real world infrared test data.

Citation Download Citation

Kemal Arda Özertem "A fast automatic target detection method for detecting ships in infrared scenes", Proc. SPIE 9844, Automatic Target Recognition XXVI, 984404 (12 May 2016); https://doi.org/10.1117/12.2222510

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KEYWORDS

Target detection

Missiles

Detection and tracking algorithms

Automatic target recognition

Infrared radiation

Infrared detectors

Hough transforms

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