Analysis on hyperspectral target detection ability and target feature in different spatial resolution

Wenfei Luo; Liang Zhong; Bing Zhang; Shoumei Luo

doi:10.1117/12.747827

15 November 2007 Analysis on hyperspectral target detection ability and target feature in different spatial resolution

Wenfei Luo, Liang Zhong, Bing Zhang, Shoumei Luo

Author Affiliations +

Proceedings Volume 6787, MIPPR 2007: Multispectral Image Processing; 67870G (2007) https://doi.org/10.1117/12.747827
Event: International Symposium on Multispectral Image Processing and Pattern Recognition, 2007, Wuhan, China

Abstract

Pattern Recognition has been successfully applied to target detection. The characteristic of target pattern determines the detection ability in pattern recognition. The pattern of spectral signature at hyperspectral resolution provides more distinguished spectral feature for target detection and then improves the detection ability. However, hyperspectral image has limitation on low resolution in spatial. Therefore, this article focus on analyze on the target detection ability at the sub-pixel scale in different spatial resolution, considering two critical factors, i.e. spatial response in sensor and background interferer. Experiment data is simulated by inducing these two factors. Target-to-Clutter-Ratio (TCR²) curve and Receiver Operating Characteristic (ROC) curve with Uniform Target Detector (UTD) analyze on the simulated data. We conclude that spatial response of the sensor and the background interferer induce uncertainty into target detection ability and usually weakens it. It gives rise to a new requirement for hyperspectral target detection that should be considerate for the effect caused by spatial resolution.

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Wenfei Luo, Liang Zhong, Bing Zhang, and Shoumei Luo "Analysis on hyperspectral target detection ability and target feature in different spatial resolution", Proc. SPIE 6787, MIPPR 2007: Multispectral Image Processing, 67870G (15 November 2007); https://doi.org/10.1117/12.747827

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KEYWORDS

Target detection

Spatial resolution

Hyperspectral target detection

Sensors

Modulation transfer functions

Hyperspectral imaging

Point spread functions

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