From Event: SPIE Commercial + Scientific Sensing and Imaging, 2018
In this work we have presented a brief insight into the capabilities of multilayer displays as to selectively display information in relation to the observers. We labeled the views of a light-field as blocked and non-blocked, and then a predefined text was assigned accordingly, modifying it to achieve a privacy criterion in the blocked case. Two ways to define the private views were presented. An evaluation of the output for both techniques was carried over in simulation, in both the spatial and frequency domain. Results showed that privacy was achievable and that each technique had an optimal operation point when taking into account the time-multiplexing capabilities of the multilayer display. Also, a trade-off between the quality of the blocked and non-blocked views was found.
David Carmona-Ballester, Juan M. Trujillo-Sevilla, Lara Díaz-García, Daniel Walo, Ángela Hernández-Delgado, Juan J. Fernández-Valdivia, Óscar Casanova-González, Óscar Gómez-Cárdenes, and José M. Rodríguez-Ramos, "Privacy-enabled displays," Proc. SPIE 10666, Three-Dimensional Imaging, Visualization, and Display 2018, 1066609 (Presented at SPIE Commercial + Scientific Sensing and Imaging: April 16, 2018; Published: 16 May 2018); https://doi.org/10.1117/12.2306029.
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Study of self-shadowing effect as a simple means to realize nanostructured thin films and layers with special attentions to birefringent obliquely deposited thin films and photo-luminescent porous silicon