RGB-2-Hyper-Spectral Image Reconstruction for Food Science Using Encoder/Decoder Neural Architectures

Hyper-spectral imaging captures spatial and spectral information of a subject. This is used for the identification of substances within a scene, and food analysis. Presented is an investigation into the capabilities of encoder/decoder deep learning architectures for hyper-spectral image reconstructi...

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Bibliographic Details
Published in:Proceedings - IEEE Symposium on Computers and Communications pp. 872 - 875
Main Authors: Williamson, Robert, Del Rincon, Jesus Martinez, Koidis, Anastasios, Reano, Carlos
Format: Conference Proceeding
Language:English
Published: IEEE 09.07.2023
Subjects:
deep learning
GPU accelerators
Hyper-spectral image reconstruction
Imaging
Lighting
Performance evaluation
RGB
Servers
Spatial resolution
Systematics
Visualization
ISSN:2642-7389
Online Access:Get full text
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Summary:Hyper-spectral imaging captures spatial and spectral information of a subject. This is used for the identification of substances within a scene, and food analysis. Presented is an investigation into the capabilities of encoder/decoder deep learning architectures for hyper-spectral image reconstruction from RGB images. For this analysis state-of-the-art (SOTA) techniques for hyper-spectral image reconstruction and other architectures from different fields have been used. Our approach examines a food science case study, using a CPU-based server and different accelerators. An in-house multi-sensor setup was used to capture the dataset which contains hyper-spectral images of twenty slices of different Spanish Ham in the range of 400-100∼nm and their analogous RGB images. The results show no degradation in the output when moving outside of the visual range. This study shows that the SOTA methods for reconstructing from RGB do not produce the most accurate reconstruction of the spectral domain within the range of 400-1000∼nm.
ISSN:2642-7389
DOI:10.1109/ISCC58397.2023.10218310