Anomaly detection of surface object associated with underground nuclear explosion based on spectral matching

Peizhong Wang; Hui Bian; Weidong Yan; Xinlu Ma; Gang Zheng

doi:10.1117/12.2030966

26 October 2013 Anomaly detection of surface object associated with underground nuclear explosion based on spectral matching

Peizhong Wang, Hui Bian, Weidong Yan, Xinlu Ma, Gang Zheng

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Proceedings Volume 8917, MIPPR 2013: Multispectral Image Acquisition, Processing, and Analysis; 89170O (2013) https://doi.org/10.1117/12.2030966
Event: Eighth International Symposium on Multispectral Image Processing and Pattern Recognition, 2013, Wuhan, China

Abstract

The anomaly of surface object associated with underground nuclear explosion (UNE) was regarded as detected target using remote sensing image, because of its unknown geometrical and spectral feature, it is difficult to detect anomaly using general methods of change detection based on gray and texture feature using remote sensing data. A multi-feature joint matching method of anomaly detection was developed based on spectral matching. Firstly, taking pixel spectral curve of image acquired before the UNE as reference spectral vector, and the one acquired after the UNE as matched spectral vector, then the similarities of spectral shape, feature and value were calculated through spectral matching algorithm. Secondly, each similarity above was normalized and weighted by appropriate coefficient; the multi-feature joint matching result was produced by accumulating the weighted similarity. Finally, appropriate segment method was chosen to distinguish target from background, and the pixels with high unmatched degree (namely anomaly) were detected. We took some UNE events for example, the anomaly of the UNE was detected effectively, and the problem of undetected anomaly just using single spectral matching algorithm is well resolved, the result also suggests the method be in good generality.

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Peizhong Wang, Hui Bian, Weidong Yan, Xinlu Ma, and Gang Zheng "Anomaly detection of surface object associated with underground nuclear explosion based on spectral matching", Proc. SPIE 8917, MIPPR 2013: Multispectral Image Acquisition, Processing, and Analysis, 89170O (26 October 2013); https://doi.org/10.1117/12.2030966

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KEYWORDS

Target detection

Image processing

Absorption

Detection and tracking algorithms

Image segmentation

Remote sensing

Image registration

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