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Depth of field is an important factor of imaging systems that highly affects the quality of the acquired spatial information. Extended depth of field (EDoF) imaging is a challenging ill-posed problem and has been extensively addressed in…

Image and Video Processing · Electrical Eng. & Systems 2020-05-27 Ugur Akpinar , Erdem Sahin , Monjurul Meem , Rajesh Menon , Atanas Gotchev

Synthesizing a densely sampled light field from a single image is highly beneficial for many applications. The conventional method reconstructs a depth map and relies on physical-based rendering and a secondary network to improve the…

Computer Vision and Pattern Recognition · Computer Science 2019-04-01 Andre Ivan , Williem , In Kyu Park

This study proposes a neural disparity field (NDF) that establishes an implicit, continuous representation of scene disparity based on a neural field and an iterative approach to address the inverse problem of NDF reconstruction from…

Image and Video Processing · Electrical Eng. & Systems 2025-07-01 Ligen Shi , Chang Liu , Xing Zhao , Jun Qiu

Light field cameras provide intriguing possibilities, such as post-capture refocus or the ability to synthesize images from novel viewpoints. This comes, however, at the price of significant storage requirements. Compression techniques can…

Graphics · Computer Science 2019-10-14 Christian Lessig

Generalizable NeRF can directly synthesize novel views across new scenes, eliminating the need for scene-specific retraining in vanilla NeRF. A critical enabling factor in these approaches is the extraction of a generalizable 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Zhiyuan Min , Yawei Luo , Wei Yang , Yuesong Wang , Yi Yang

Recovering the physical attributes of an object's appearance from its images captured under an unknown illumination is challenging yet essential for photo-realistic rendering. Recent approaches adopt the emerging implicit scene…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Youjia Zhang , Teng Xu , Junqing Yu , Yuteng Ye , Junle Wang , Yanqing Jing , Jingyi Yu , Wei Yang

Neural field methods, initially successful in the inverse rendering domain, have recently been extended to CT reconstruction, marking a paradigm shift from traditional techniques. While these approaches deliver state-of-the-art results in…

Image and Video Processing · Electrical Eng. & Systems 2024-11-12 Daniel Gilo , Tzofi Klinghoffer , Or Litany

Facade parsing stands as a pivotal computer vision task with far-reaching applications in areas like architecture, urban planning, and energy efficiency. Despite the recent success of deep learning-based methods in yielding impressive…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Bowen Wang , Jiaxing Zhang , Ran Zhang , Yunqin Li , Liangzhi Li , Yuta Nakashima

Visual neural decoding from EEG has improved significantly due to diffusion models that can reconstruct high-quality images from decoded latents. While recent works have focused on relatively complex architectures to achieve good…

Neurons and Cognition · Quantitative Biology 2025-11-25 Teng Fei , Srinivas Ravishankar , Zhining Chen , Abhinav Uppal , Ian Jackson , Virginia R. de Sa

We propose a method for depth estimation from light field data, based on a fully convolutional neural network architecture. Our goal is to design a pipeline which achieves highly accurate results for small- and wide-baseline light fields.…

Computer Vision and Pattern Recognition · Computer Science 2019-09-20 Titus Leistner , Hendrik Schilling , Radek Mackowiak , Stefan Gumhold , Carsten Rother

Light field photography has been studied thoroughly in recent years. One of its drawbacks is the need for multi-lens in the imaging. To compensate that, compressed light field photography has been proposed to tackle the trade-offs between…

Computer Vision and Pattern Recognition · Computer Science 2019-02-22 Ofir Nabati , David Mendlovic , Raja Giryes

Visualizing the spatiotemporal evolution of the electric field of light is fundamental to optics, from designing photonic devices to developing next-generation microscopes. However, we lack the experimental tools to directly access the…

Optics · Physics 2026-03-04 Arjun Ashoka , Juhwan Lim , Akshay Rao , Dmitry A. Zimin

This paper aims to facilitate more practical NLOS imaging by reducing the number of samplings and scan areas. To this end, we introduce a phasor-based enhancement network that is capable of predicting clean and full measurements from noisy…

Computer Vision and Pattern Recognition · Computer Science 2024-07-30 In Cho , Hyunbo Shim , Seon Joo Kim

The paper aims at removing the aliasing effects of the whole focal stack generated from a sparse-sampled {4D} light field, while keeping the consistency across all the focal layers. We first explore the structural characteristics embedded…

Image and Video Processing · Electrical Eng. & Systems 2022-04-04 Yaning Li , Xue Wang , Hao Zhu , Guoqing Zhou , Qing Wang

Classical light field rendering for novel view synthesis can accurately reproduce view-dependent effects such as reflection, refraction, and translucency, but requires a dense view sampling of the scene. Methods based on geometric…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Mohammed Suhail , Carlos Esteves , Leonid Sigal , Ameesh Makadia

Ultrasound is widely used in medical diagnostics allowing for accessible and powerful imaging but suffers from resolution limitations due to diffraction and the finite aperture of the imaging system, which restricts diagnostic use. The…

Computer Vision and Pattern Recognition · Computer Science 2024-08-08 Felix Duelmer , Walter Simson , Mohammad Farid Azampour , Magdalena Wysocki , Angelos Karlas , Nassir Navab

We consider the problem of high-dimensional light field reconstruction and develop a learning-based framework for spatial and angular super-resolution. Many current approaches either require disparity clues or restore the spatial and…

Image and Video Processing · Electrical Eng. & Systems 2020-09-18 Nan Meng , Hayden K. -H. So , Xing Sun , Edmund Y. Lam

A new method has been developed for the correction of the distortions and/or enhanced phase differentiation in Electron Backscatter Diffraction (EBSD) data. Using a multi-modal data approach, the method uses segmented images of the phase of…

Data Analysis, Statistics and Probability · Physics 2019-03-11 Marie-Agathe Charpagne , Florian Strub , Tresa M. Pollock

Blur in facial images significantly impedes the efficiency of recognition approaches. However, most existing blind deconvolution methods cannot generate satisfactory results due to their dependence on strong edges, which are sufficient in…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Dayong Tian , Dacheng Tao

Recently it was reported that deeply subwavelength features of free space superoscillatory electromagnetic fields can be observed experimentally and used in optical metrology with nanoscale resolution [Science 364, 771 (2019)]. Here we…

Optics · Physics 2019-10-08 T. Pu , V. Savinov , G. Yuan , N. Papasimakis , N. I. Zheludev
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