5 July 1995 Shift-variant linear system modeling for multispectral scanners
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Multispectral scanner data are affected both by the spatial impulse response of the sensor and the spectral response of each channel. To achieve a realistic representation for the output data for a given scene spectral input, both of these effects must be incorporated into a forward model. Each channel can have a different spatial response and each has its characteristic spectral response. A forward model is built which includes the shift invariant spatial broadening of the input for the channels and the shift variant spectral response across channels. The model is applied to the calibrated airborne multispectral scanner as well as the airborne terrestrial applications sensor developed at NASA Stennis Space Center.
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Abolfazl M. Amini, Abolfazl M. Amini, George E. Ioup, George E. Ioup, Juliette W. Ioup, Juliette W. Ioup, "Shift-variant linear system modeling for multispectral scanners", Proc. SPIE 2484, Signal Processing, Sensor Fusion, and Target Recognition IV, (5 July 1995); doi: 10.1117/12.213030; https://doi.org/10.1117/12.213030

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