Optical computing for object classification through diffusive random media

https://techxplore.com/news/2023-03-optical-classification-diffusive-random-media.html

"diffractive deep neural networks (D2NNs) modulate light diffraction through spatially structured surfaces collectively forming  all-optical computer... directly classify unknown objects through unknown, random diffusers using a single-pixel spectral detector... high speed, parallelism and low power consumption... object classification, quantitative phase imaging, microscopy, universal linear transformations, biomedical imaging, oceanography, security, robotics, and autonomous driving"