Simultaneous acquisition of hyper-spectral image using the computed tomography imaging interferometer

Yu Lin; Ningfang Liao; Xinquan Wang; Deqi Cui; Minyong Liang; Yongdao Luo

doi:10.1117/12.750221

15 November 2007 Simultaneous acquisition of hyper-spectral image using the computed tomography imaging interferometer

Yu Lin, Ningfang Liao, Xinquan Wang, Deqi Cui, Minyong Liang, Yongdao Luo

Proceedings Volume 6786, MIPPR 2007: Automatic Target Recognition and Image Analysis; and Multispectral Image Acquisition; 67865F (2007) https://doi.org/10.1117/12.750221
Event: International Symposium on Multispectral Image Processing and Pattern Recognition, 2007, Wuhan, China

Abstract

In this paper, we introduce a new approach of simultaneous acquisition of hyper-spectral image by means of using Computed Tomography Imaging Interferometer. Detecting rapidly varying targets both spatially and spectrally using imaging spectrometer is an international phenomenon in remote sensing in recent years and worthwhile in many domains such as pollution inspection and biochemical arms detection. Computed Tomography Imaging Interferometer (CTII) we put forward previously is a kind of imaging spectrometer with merits of high resolution, high throughout and high signal-to-noise rate. In our current work, some transmogrifications have been brought into the existed model of CTII. More channels are constructed in the new type of CTII-Simultaneous CTII (SiCTII). The rotation system in each channel is made irrotianal. Snapshot can be brought in the acquisition by means of opening and closing channels simultaneously. The Algebraic Reconstruction Technique (ART) and Artificial Neural Network (ANN) are considered in the image reconstruction. Referring to the characteristics of SiCTII, a conclusion can be made that SiCTII is a kind of imaging spectrometer for rapid acquisition and can be applied in the instances, in which the spatial resolution is not highly demanded and rapid data acquisition is demanded.

Citation Download Citation

Yu Lin, Ningfang Liao, Xinquan Wang, Deqi Cui, Minyong Liang, and Yongdao Luo "Simultaneous acquisition of hyper-spectral image using the computed tomography imaging interferometer", Proc. SPIE 6786, MIPPR 2007: Automatic Target Recognition and Image Analysis; and Multispectral Image Acquisition, 67865F (15 November 2007); https://doi.org/10.1117/12.750221

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KEYWORDS

Spectroscopy

Interferometers

Reconstruction algorithms

Target detection

Computed tomography

Image restoration

Data acquisition

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