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Dec 1, 2019 · In this paper, we mainly analyze and compare several commonly used measurement matrice. The two-step iterative shrinkage/thresholding (TwIST) ...
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Abstract—Coded aperture snapshot spectral imaging (CASSI) is based on the binary modulation of the spatial-spectral scene, which allows for hyperspectral ...
An algorithm based on an optimal selection of non-zero entries positions is developed to implement this strategy. Simulations show that the proposed ...
A spectral imager measures the intensity of light as a function of wavelength λ at each spatial location (x,y) in an image. Thus, it acquires a three- ...
The coded aperture snapshot spectral imager (CASSI) acquires three-dimensional spectral images with two-dimensional coded projection measurements.
Nov 1, 2023 · A hybrid CSI system combining CASSI and SPSI has been proposed, enhancing sampling efficiency and reconstruction quality. •. The coded ...
Jul 25, 2023 · Despite being extensively used in clinics, these techniques measure only spatial information of the retina. In contrast, spectral imaging ...
Multiframe Coded Aperture Spectral Imagers are based off the CASSI system, but modulate the coded aperture between every snapshot to increase the rank of ...
Method: This paper presents a random algorithm for a colored coded apertures design by homogenizing defined parameters of the colored coded aperture snapshot ...
