A free-space PELM achieves 96.56% on MNIST, 95.67% on spoken digit spectrograms, 100% on mushroom classification, and 0.0699 NRMSE on abalone regression using the same optical setup, claimed as the first multimodal free-space PELM.
Hughes, Momchil Minkov, Yu Shi, and Shanhui Fan
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physics.optics 1years
2026 1verdicts
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Multimodal Optical Feature Extraction with a Free-Space Photonic Extreme Learning Machine
A free-space PELM achieves 96.56% on MNIST, 95.67% on spoken digit spectrograms, 100% on mushroom classification, and 0.0699 NRMSE on abalone regression using the same optical setup, claimed as the first multimodal free-space PELM.