Abstract
A novel algorithm for the detection of long-range weak targets in a sea and air scenario is proposed. A preprocessing model of weak targets in sea and sky clutter background is established based on fractal theory, which is accordant to the concept that singular local fractal dimension (LFD) will be determined at edges. The model is evaluated by comparing row-mean subtraction filter based on fractal dimension preprocessing with conventional operators such as, high pass filter and row-mean subtraction filter. Results show a similar performance in a low-noise environment and superiority of the fractal operators in a high noise and long range dim targets, the algorithms are effectively for suppression sea and sky clutter and are easy to be implemented by parallel processing hardware.
| Original language | English |
|---|---|
| Article number | 63570B |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 6357 I |
| DOIs | |
| Publication status | Published - 2006 |
| Event | Sixth International Symposium on Instrumentation and Control Technology: Signal Analysis, Measurement Theory, Photo-Electronic Technology, and Artificial Intelligence - Beijing, China Duration: 13 Oct 2006 → 15 Oct 2006 |
Keywords
- Local fractal dimension
- Row-mean subtraction filter
- Sea and cloud clutter
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