Unified Mathematical Model for Multilayer-Multiframe Compressive Light Field Displays Using LCDs

作者：Zhang, Jiahui; Fan, Zhencheng; Sun, Dawei; Liao, Hongen^*

来源：IEEE Transactions on Visualization and Computer Graphics, 2019, 25(3): 1603-1614.

DOI：10.1109/TVCG.2018.2810279

• Compressive light field display
• multilayer-multiframe LCD display
• optimization methods
• polarization-based display

We propose a unified mathematical model for multilayer-multiframe compressive light field displays that supports both attenuation-based and polarization-based architectures. We show that the light field decomposition of such a display can be cast as a bound constrained nonlinear matrix optimization problem. Efficient light field decomposition algorithms are developed using the limited-memory BFGS (L-BFGS) method for automultiscopic displays with high resolution and high image fidelity. In addition, this framework is the first to support multilayer polarization-based compressive light field displays with time multiplexing. This new architecture significantly reduces artifacts compared with attenuation-based multilayer-multiframe displays; thus, it can allow the requirements regarding the number of layers or the refresh rate to be relaxed. We verify the proposed methods by constructing two 3-layer prototypes using high-speed LCDs, one based on the attenuation architecture and one based on the polarization architecture. Moreover, an efficient CUDA-based program is implemented. Our displays can produce images with higher spatial resolution with thinner form factors compared with traditional automultiscopic displays in both simulations and experiments.

• 出版日期2019-3
• 单位清华大学