Statistical evaluation of the periodically sampled method for efficient measurement of the distortions in hyperspectral imager

Jinsuk Hong; Youngsoo Kim; Byungin Choi; Yeonsoo Kim

doi:10.1117/12.2305340

8 May 2018 Statistical evaluation of the periodically sampled method for efficient measurement of the distortions in hyperspectral imager

Jinsuk Hong, Youngsoo Kim, Byungin Choi, Yeonsoo Kim

Author Affiliations +

Proceedings Volume 10644, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XXIV; 106441N (2018) https://doi.org/10.1117/12.2305340
Event: SPIE Defense + Security, 2018, Orlando, FL, United States

Abstract

A series of measurements of keystone and smile is required to assemble and aligning hyperspectral imagers. An efficient measurement method was proposed to calculate the keystone and the smile in a single measurement image by implementing an additional tool called the Field Identifier (FI) [1]. The measurement method is simple enough to make it possible to measure the wave front error (WFE) making minimum change from each measurement setup. To evaluate the accuracy of the measurement method, the positional data of 380 points were collected and 3σ was calculated along spectral and spatial axis. The measurement error calculated as 3σ is to be less than 1/10 of the performance goal to prove the effectiveness of the measurement method.

Citation Download Citation

Jinsuk Hong, Youngsoo Kim, Byungin Choi, and Yeonsoo Kim "Statistical evaluation of the periodically sampled method for efficient measurement of the distortions in hyperspectral imager", Proc. SPIE 10644, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XXIV, 106441N (8 May 2018); https://doi.org/10.1117/12.2305340

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