Dim and small target detection based on complex filter bank

qin jian; chen qian; qian weixian

Volume 23 Issue 10

Nov. 2011

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qin jian, chen qian, qian weixian. Dim and small target detection based on complex filter bank[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

qin jian, chen qian, qian weixian. Dim and small target detection based on complex filter bank[J]. High Power Laser and Particle Beams, 2011, 23.

qin jian, chen qian, qian weixian. Dim and small target detection based on complex filter bank[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

qin jian, chen qian, qian weixian. Dim and small target detection based on complex filter bank[J]. High Power Laser and Particle Beams, 2011, 23.

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Dim and small target detection based on complex filter bank

1.
Ministerial Key Laboratory of Target Detection Technology,Nanjing University of Science and Technology,Nanjing 210094,China

Publish Date: 2011-10-15

Abstract

Abstract

In order to suppress complex background, an improved detection algorithm based on complex filter bank is presented for dim-small target under infrared background clutter. First, the spectrum characteristics of both the complex background image and the target image are analyzed, and the idea of sub-band processing is presented. Then after the comparison filters, the complex filter bank is adopted to decompose the infrared image with dim-small target into sections of different frequency bands. Next, the Robinson filter algorithm is used to process the decomposed sub-band images for extracting target. And finally these images are integrated with the method of weighting. The targets in the final processed image are enhanced notably and the backgrounds are suppressed effectively. The experiment
- image processing,
- infrared technique,
- target detection,
- complex filter bank,
- complex filter

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