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Computer-Generated Holography (CGH) offers the potential for genuine, high-quality three-dimensional visuals. However, fulfilling this potential remains a practical challenge due to computational complexity and visual quality issues. We…

Addition of random phase to the object light is required in computer-generated holograms (CGHs) to widely diffuse the object light and to avoid its concentration on the CGH; however, this addition causes considerable speckle noise in the…

光学 · 物理学 2015-06-24 Tomoyoshi Shimobaba , Tomoyoshi Ito

Holographic near-eye displays are a promising technology to solve long-standing challenges in virtual and augmented reality display systems. Over the last few years, many different computer-generated holography (CGH) algorithms have been…

图形学 · 计算机科学 2024-04-19 Dongyeon Kim , Seung-Woo Nam , Suyeon Choi , Jong-Mo Seo , Gordon Wetzstein , Yoonchan Jeong

Holographic displays hold the promise of providing authentic depth cues, resulting in enhanced immersive visual experiences for near-eye applications. However, current holographic displays are hindered by speckle noise, which limits…

图形学 · 计算机科学 2024-11-01 Florian Schiffers , Grace Kuo , Nathan Matsuda , Douglas Lanman , Oliver Cossairt

Holographic displays are widely regarded as the "ultimate" display technology, promising immersive 3D visuals with natural depth cues, continuous parallax, and perceptual realism. Realizing this potential, however, has remained elusive due…

光学 · 物理学 2026-04-20 Anzhou Wen , Praneeth Chakravarthula

Holographic displays promise several benefits including high quality 3D imagery, accurate accommodation cues, and compact form-factors. However, holography relies on coherent illumination which can create undesirable speckle noise in the…

图形学 · 计算机科学 2023-09-20 Grace Kuo , Florian Schiffers , Douglas Lanman , Oliver Cossairt , Nathan Matsuda

Computer generated holography has long been touted as the future of augmented and virtual reality (AR/VR) displays, but has yet to be realized in practice. Previous high-quality, color holographic displays have made either a 3$\times$…

光学 · 物理学 2023-12-12 Eric Markley , Nathan Matsuda , Florian Schiffers , Oliver Cossairt , Grace Kuo

Holographic displays offer significant potential for augmented and virtual reality applications by reconstructing wavefronts that enable continuous depth cues and natural parallax without vergence-accommodation conflict. However, despite…

Recently, deep learning-based computer-generated holography (CGH) has demonstrated tremendous potential in three-dimensional (3D) displays and yielded impressive display quality. However, most existing deep learning-based CGH techniques can…

图像与视频处理 · 电气工程与系统科学 2024-04-18 Zhenxing Dong , Jidong Jia , Yan Li , Yuye Ling

Holographic near-eye displays offer unprecedented capabilities for virtual and augmented reality systems, including perceptually important focus cues. Although artificial intelligence--driven algorithms for computer-generated holography…

图形学 · 计算机科学 2022-05-06 Suyeon Choi , Manu Gopakumar , Yifan , Peng , Jonghyun Kim , Matthew O'Toole , Gordon Wetzstein

Speckle noise is an inherent disturbance in coherent imaging systems such as digital holography, synthetic aperture radar, optical coherence tomography, or ultrasound systems. These systems usually produce only single observation per view…

图像与视频处理 · 电气工程与系统科学 2022-05-19 Tsung-Ming Tai , Yun-Jie Jhang , Wen-Jyi Hwang , Chau-Jern Cheng

Computer-generated holography (CGH) represents a transformative visualization approach for next-generation immersive virtual and augmented reality (VR/AR) displays, enabling precise wavefront modulation and naturally providing comprehensive…

光学 · 物理学 2025-07-31 Jie Zhou , Shuyang Xie , Yang Wu , Lei Jiang , Yimou Luo , Jun Wang

Computer-generated holography (CGH) presents a transformative solution for near-eye displays in augmented and virtual reality. Recent advances in deep learning have greatly improved CGH in reconstructed quality and computational efficiency.…

光学 · 物理学 2025-12-16 Shuyang Xie , Jie Zhou , Jun Wang , Renjing Xu

In this paper, an occlusion-capable holographic augmented-reality (AR) display is proposed, and its ability to enhance AR imagery through occlusion is demonstrated. Holographic displays can generate ideal three-dimensional (3D) virtual…

光学 · 物理学 2025-05-05 Woongseob Han , Chanseul Lee , Jae-Hyeung Park

Human visual sensitivity to spatial details declines towards the periphery. Novel image synthesis techniques, so-called foveated rendering, exploit this observation and reduce the spatial resolution of synthesized images for the periphery,…

图形学 · 计算机科学 2022-04-12 Taimoor Tariq , Cara Tursun , Piotr Didyk

Holography is a promising approach to implement the three-dimensional (3D) projection beyond the present two-dimensional technology. True 3D holography requires abilities of arbitrary 3D volume projection with high-axial resolution and…

图像与视频处理 · 电气工程与系统科学 2022-04-20 Byounghyo Lee , Dongyeon Kim , Seungjae Lee , Chun Chen , Byoungho Lee

HoloTile is a patented computer generated holography approach with the aim of reducing the speckle noise caused by the overlap of the non-trivial physical extent of the point spread function in Fourier holographic systems from adjacent…

光学 · 物理学 2024-02-16 Jesper Glückstad , Andreas Erik Gejl Madsen

The reasoning segmentation task involves segmenting objects within an image by interpreting implicit user instructions, which may encompass subtleties such as contextual cues and open-world knowledge. Despite significant advancements made…

计算机视觉与模式识别 · 计算机科学 2025-08-14 Weihuang Lin , Yiwei Ma , Xiaoshuai Sun , Shuting He , Jiayi Ji , Liujuan Cao , Rongrong Ji

We demonstrate speckle noise reduction in an in-line holographic imaging system using a Zwitterion-doped liquid crystal dynamic scatterer (LCDS) cell diffuser. Integrated into a minimally modified bright-field microscope, the LCDS actively…

Computer-Generated Holography (CGH) is a set of algorithmic methods for identifying holograms that reconstruct Three-Dimensional (3D) scenes in holographic displays. CGH algorithms decompose 3D scenes into multiplanes at different depth…

图形学 · 计算机科学 2024-10-15 Chuanjun Zheng , Yicheng Zhan , Liang Shi , Ozan Cakmakci , Kaan Akşit
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