2 papers
physics.optics2021
Core shell NaErF4 at NaYF4 upconversion nanoparticles qualify a NIR speckle wavemeter by a visible CCD
Tianliang Wang, Yi Li, Long Yan +10
Speckle patterns have been widely confirmed that can be utilized to reconstruct the wavelength information. In order to achieve higher resolution, a varies of optical diffusing wav…
cs.CV2021
Improvement of image classification by multiple optical scattering
Xinyu Gao, Yi Li, Yanqing Qiu +7
Multiple optical scattering occurs when light propagates in a non-uniform medium. During the multiple scattering, images were distorted and the spatial information they carried bec…