Review
Computer Science, Hardware & Architecture
Sheng Shen, Shujun Xing, Xinzhu Sang, Binbin Yan, Yingying Chen
Summary: Light field display (LFD) is a promising technology for reconstructing the light rays' distribution of real 3D scenes with all depth cues. Computer-generated content is widely used in LFD systems, providing rich 3D content. This paper introduces the applications of light field technologies in display systems, discusses virtual stereo content rendering techniques, and reviews coding and correction algorithms in virtual stereo content rendering techniques. New rendering algorithms are needed to solve the real-time light-field rendering problem for large-scale virtual scenes.
Article
Chemistry, Multidisciplinary
Dongwoo Kang, Jin-Ho Choi, Hyoseok Hwang
Summary: Recent advances in autostereoscopic three-dimensional (3D) display systems have led to innovations in consumer electronics and vehicle systems (e.g., head-up displays). However, medical images with stereoscopic depth provided by 3D displays have yet to be developed sufficiently for widespread adoption in diagnostics. This paper proposes a novel glasses-free 3D autostereoscopic display system based on an eye tracking algorithm and explores its viability as a 3D navigator for cardiac computed tomography (CT) images. The proposed system was trialed by expert readers, who identified key artery structures faster than with a conventional two-dimensional display without reporting any discomfort or 3D fatigue. With the proposed autostereoscopic 3D display systems, the 3D medical image navigator system has the potential to facilitate faster diagnoses with improved accuracy.
APPLIED SCIENCES-BASEL
(2022)
Article
Optics
Sheng Shen, Shujun Xing, Xinzhu Sang, Binbin Yan, Xinhui Xie, Bangshao Fu, Chongli Zhong, Shuang Zhang
Summary: With the development of 3D light-field display technology, it is now possible to perceive 3D scenes with accurate location and depth information without wearing external devices. However, traditional portrait stylization methods are limited to generating 2D images and cannot produce high-quality stylized portrait content for 3D light-field displays. Thus, there is a need for new and innovative portrait stylization techniques to meet the requirements of 3D light-field displays.
Article
Optics
Fu-Hao Chen, Byung-Ryool Hyun, Zhaojun Liu
Summary: Using thin-encapsulated self-emissive displays like OLEDs can widen the FOV and improve the user experience in LFD mobile applications. By aligning sub-pixels into a single column and using a moire-free parallax barrier, the spatial resolution and motion parallax of LFD can be enhanced significantly. The crosstalk effects caused by wide slits on the 3D image quality are also analyzed in the study.
Article
Optics
Rong-Ying Yuan, Xiao-Li Ma, Fan Chu, Guang-Xu Wang, Min-Yang He, Chao Liu, Qiong-Hua Wang
Summary: This paper proposes an optofluidic lenticular lens array (OLLA) for a switchable 2D/3D display. By filling different mediums, it can achieve 2D and 3D displays respectively, and experiments confirm high-resolution display on smartphones.
Article
Computer Science, Artificial Intelligence
Nan Meng, Kai Li, Jianzhuang Liu, Edmund Y. Lam
Summary: This paper introduces a learning-based approach to synthesize views from an arbitrary camera position using a sparse set of images. By jointly modeling the epipolar property and occlusion, the method overcomes inconsistency in the reconstruction process. The proposed method utilizes aperture disparity and warping confidence maps to address pixel shift and occlusion issues.
IEEE TRANSACTIONS ON IMAGE PROCESSING
(2021)
Article
Biotechnology & Applied Microbiology
Li-Qun Cao, Yuan-Qing Wang, Yuan Gao, Bi-Ye Zhou, Xue-ling Li, Ke-Qiang Shen, Bin Xu, Ming-Gao Li
Summary: This study presents a novel glasses-free distance random-dot stereotest system (GFDRDSS) using an eye-tracking method. The GFDRDSS provides distinct and stable glasses-free stereoscopic perception even while the subject is moving their head, and shows good concordance with the Distance Randot (R) Stereotest.
FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY
(2022)
Article
Optics
Xin Yang, HongBo Zhang, Qiang Song, GuoBin Ma, ZiMo Liu, FuYang Xu, Qiong-Hua Wang
Summary: A fast-computational light field image encoding method is proposed in this research to improve computation speed, and parallel computation method is implemented in both full-parallax holographic 3D display and full-color rainbow holographic 3D display.
Article
Optics
Jianyu Hua, Yang Li, Peiran Ge, Donghui Yi, Linsen Chen, Wen Qiao
Summary: A time-multiplexed vector light field display is proposed in this paper to increase the information provided by the screen by exploiting time redundancy. Experimental results show that the system can construct a 3D display with 18 views and a horizontal field of view of 51 degrees. The potential applications of this technology include human-computer interaction, commercial exhibition, and medical hygiene.
OPTICS AND LASERS IN ENGINEERING
(2023)
Article
Optics
Yushun Feng, Yimin Lou, Juanmei Hu, Fengmin Wu
Summary: Proposed a fast light field image rendering method that allows for controllable lighting effects. By defining light cones and normal maps, RGBD images can be expanded into RGBDN data, providing more degrees of freedom for rendering LF images. The use of conjugate cameras and perspective coherence accelerates the rendering process, making it 30 times faster than traditional methods. The method has successfully reconstructed vivid 3D images with different reflection effects and can be applied to various fields.
Article
Optics
Jun Wen, Xiaoyu Jiang, Xingpeng Yan, Zhan Yan, Junfu Wang, Song Chen
Summary: By using simple cameras, lenses, motion platform, and a host PC, we can capture the light field of a real scene and render it for 3D display without pixel interpolation or virtual view synthesis, thereby extending our ability to capture the 3D information of real scenes.
Proceedings Paper
Computer Science, Hardware & Architecture
Chen Gao, Yifan (Evan) Peng, Haifeng Li, Xu Liu
Summary: A novel light field display pipeline has been developed in this work, using two gaze maps to reconstruct display patterns with foveated vision effect. With the acceleration of GPU and emerging eye-tracking technique, the gaze cone can be updated instantaneously. Experimental results demonstrate that the proposed display pipeline can support near-correct retinal-blur with foveated vision and high framerate at low-computation.
OPTICAL ARCHITECTURES FOR DISPLAYS AND SENSING IN AUGMENTED, VIRTUAL, AND MIXED REALITY (AR, VR, MR) II
(2021)
Article
Computer Science, Artificial Intelligence
Gaochang Wu, Yebin Liu, Lu Fang, Tianyou Chai
Summary: This paper introduces a new deep learning pipeline to address the challenges of large disparity and non-Lambertian effects in light field reconstruction. An anti-aliasing reconstruction framework is introduced and embedded into a deep neural network with an integrated architecture and trainable parameters for end-to-end optimization training.
IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE
(2022)
Article
Engineering, Electrical & Electronic
Fuyang Xu, Xin Yang, Zimo Liu, Yu Wenjie, Qiang Song, Guobin Ma, Ye Wenni
Summary: A high-resolution phase-only holographic 3D display using light field images rendered in the frequency domain is proposed in this study. The display quality is improved through parallel calculation and using the previous elemental phase-only holograms as initial phases, showing potential for full-parallax and high quality 3D displays in holographic advertising and other fields.
IEEE PHOTONICS JOURNAL
(2021)
Article
Engineering, Electrical & Electronic
Martin Alain, Aljosa Smolic
Summary: This paper studies the spectral properties of re-parameterized light field and introduces more flexible sampling guidelines. The simulations and results show that there are exciting avenues for practical applications of light fields.
SIGNAL PROCESSING-IMAGE COMMUNICATION
(2022)