Fast transmission of computer-generated hologram with compressed sensing and quantum-inspired neural network
Sign Up to like & getrecommendations! Published in 2023 at "Optical Engineering"
DOI: 10.1117/1.oe.62.5.053101
Abstract: Abstract. A two-stage compression framework for computer-generated hologram (CGH) with compressed sensing (CS) and quantum-inspired neural network (QINN) is proposed. A deep learning-based CS model is applied to sample the CGH at sub-Nyquist rates to… read more here.
Keywords: inspired neural; compressed sensing; quantum inspired; generated hologram ... See more keywords
Computer-generated hologram manipulation and fast production with a focus on security application.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.439004
Abstract: Motivated by the successful printing of a computer-generated hologram using the computer-to-film (CtF) graphic process, we present a further refined technique with increased resolution, applicable in security. The CtF process offers low cost and fast… read more here.
Keywords: computer; computer generated; generated hologram; security ... See more keywords
Method of calculating speckle-reduced hologram data using a convergence light wave for a computer-generated hologram.
Sign Up to like & getrecommendations! Published in 2023 at "Applied optics"
DOI: 10.1364/ao.478449
Abstract: In a computer-generated hologram, random phases are required for representing object surfaces; however, speckle noise occurs in the random phases. We propose a speckle reduction method for three-dimensional virtual images in electro-holography. The method does… read more here.
Keywords: generated hologram; computer generated; random phases; method ... See more keywords
Utilizing standard high-resolution graphic computer-to-film process for computer-generated hologram printing.
Sign Up to like & getrecommendations! Published in 2019 at "Applied optics"
DOI: 10.1364/ao.58.00g143
Abstract: The computer-generated hologram (CGH) has wide use in many fields but often comes at a high cost due to complex proprietary equipment. For this research, we developed a new robust computational method, and applied and… read more here.
Keywords: high resolution; computer film; method; generated hologram ... See more keywords
Phase dual-resolution networks for a computer-generated hologram.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.448996
Abstract: The computer-generated hologram (CGH) is a method for calculating arbitrary optical field interference patterns. Iterative algorithms for CGHs require a built-in trade-off between computation speed and accuracy of the hologram, which restricts the performance of… read more here.
Keywords: computer generated; generated hologram; dual resolution; resolution ... See more keywords
Optimized computer-generated hologram for enhancing depth cue based on complex amplitude modulation.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.476443
Abstract: In this Letter, we introduce a computer-generated hologram (CGH) optimization method to enhance the depth cue based on complex amplitude modulation (CAM). An iterative algorithm is designed to generate the optimized random phase (ORAP) according… read more here.
Keywords: based complex; cue; depth cue; cue based ... See more keywords