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A novel method, utilizing convolutional neural networks (CNNs), is proposed to reconstruct hyperspectral cubes from computed tomography imaging spectrometer (CTIS) images. Current reconstruction algorithms are usually subject to long reconstruction times and mediocre precision in cases of a large number of spectral channels. The constructed CNNs deliver higher precision and shorter reconstruction time than a sparse expectation maximization algorithm. In addition, the network can handle two different types of real-world images at the same time—specifically ColorChecker and carrot spectral images are considered. This work paves the way toward real-time reconstruction of hyperspectral cubes from CTIS images.
|Publication status||Published - Sept 2022|
- Computed tomography imaging spectrometer (CTIS) images
- Convolutional neural networks
- Hyperspectral cubes reconstruction
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- 1 Finished
Food & Bio Cluster DK: Snapshot Hyperspectral imaging for food science across multiple scales
Frandsen, M. T., Eriksen, R. L., Huang, W. & Jørgensen, B.
01/05/2022 → 28/02/2023