Effective method to evaluate the complex degree of the sea-sky infrared backgrounds

Gao, Chenqiang; Tian, Jinwen; Wang, Zhicheng; Wang, Yongtao; Wang, Peng

doi:10.1117/12.748858

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B Improved Complexity Description2

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2010

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“…There is a variety of ways to describe background complexity, and information entropy is applied to the description of complexity by Lei Yang [1] [2]. The information entropy is a concept used to measure the amount of information in information theory, which is a general measure of the average uncertainty, and can be used to describe the complexity of background images.…”

Section: A Background Complexity Descriptionmentioning

confidence: 99%

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Adaptive segmentation algorithm for ship target under complex background

Wang

et al. 2010

2010 3rd International Conference on Advanced Computer Theory and Engineering(ICACTE)

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Segmentation of ship target under complex background has important research significance in long-range ship tracking and identification, and an adaptive segmentation algorithm is proposed according to background images with different complexity. Local complexity of image is first calculated in this algorithm, and then the original image is preprocessed with different de noising methods according to local complexity, finally the image is binarized based on local complexity and the target is segmented. The experiment results indicate that the algorithm is adaptive and can meet the requirements of real-time processing, which lays a foundation for ship target detection under complex background.

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Section: A Background Complexity Descriptionmentioning

confidence: 99%

“…Generally, r x c = 5 x 5 is chosen for the window size. Segmentation threshold selection is important too [9], which can be calculated as:…”

Section: B Improved Complexity Descriptionmentioning

confidence: 99%