English
Related papers

Related papers: Reconstruct high-resolution multi-focal plane imag…

200 papers

MRI is an inherently slow process, which leads to long scan time for high-resolution imaging. The speed of acquisition can be increased by ignoring parts of the data (undersampling). Consequently, this leads to the degradation of image…

Image and Video Processing · Electrical Eng. & Systems 2022-02-22 Soumick Chatterjee , Mario Breitkopf , Chompunuch Sarasaen , Hadya Yassin , Georg Rose , Andreas Nürnberger , Oliver Speck

Burst image processing is becoming increasingly popular in recent years. However, it is a challenging task since individual burst images undergo multiple degradations and often have mutual misalignments resulting in ghosting and zipper…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Nancy Mehta , Akshay Dudhane , Subrahmanyam Murala , Syed Waqas Zamir , Salman Khan , Fahad Shahbaz Khan

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

With the goal of recovering high-quality image content from its degraded version, image restoration enjoys numerous applications, such as in surveillance, computational photography, medical imaging, and remote sensing. Recently,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-09 Syed Waqas Zamir , Aditya Arora , Salman Khan , Munawar Hayat , Fahad Shahbaz Khan , Ming-Hsuan Yang , Ling Shao

Magnetic Resonance Imaging (MRI) acquisition remains a time-intensive and patient-straining process, as prolonged scan dura- tions increase the likelihood of motion artifacts, which degrade image quality and frequently require repeated…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Prajyot Pyati , Sapna Sachan , Amulya Kumar Mahto , Pranjal Phukan

Convolutional neural networks have recently demonstrated high-quality reconstruction for single image super-resolution. However, existing methods often require a large number of network parameters and entail heavy computational loads at…

Computer Vision and Pattern Recognition · Computer Science 2018-08-13 Wei-Sheng Lai , Jia-Bin Huang , Narendra Ahuja , Ming-Hsuan Yang

In this paper we study the performance of image reconstruction methods from incomplete samples of the 2D discrete Fourier transform. Inspired by requirements in parallel MRI, we focus on a special sampling pattern with a small number of…

Numerical Analysis · Mathematics 2025-10-22 Gerlind Plonka , Anahita Riahi

When light is scattered or reflected accidentally in the lens, flare artifacts may appear in the captured photos, affecting the photos' visual quality. The main challenge in flare removal is to eliminate various flare artifacts while…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Yiguo Jiang , Xuhang Chen , Chi-Man Pun , Shuqiang Wang , Wei Feng

For nonlinear multispectral computed tomography (CT), accurate and fast image reconstruction is challenging when the scanning geometries under different X-ray energy spectra are inconsistent or mismatched. Motivated by this, we propose an…

Numerical Analysis · Mathematics 2025-07-28 Yu Gao , Chong Chen

Multi-focus image fusion aims to generate an all-in-focus image from a sequence of partially focused input images. Existing fusion algorithms generally assume that, for every spatial location in the scene, there is at least one input image…

Computer Vision and Pattern Recognition · Computer Science 2025-12-29 Xinzhe Xie , Buyu Guo , Bolin Li , Shuangyan He , Yanzhen Gu , Qingyan Jiang , Peiliang Li

Direct reconstruction of positron emission tomography (PET) data using deep neural networks is a growing field of research. Initial results are promising, but often the networks are complex, memory utilization inefficient, produce…

Image and Video Processing · Electrical Eng. & Systems 2020-06-16 William Whiteley , Vladimir Panin , Chuanyu Zhou , Jorge Cabello , Deepak Bharkhada , Jens Gregor

Volumetric biological imaging often involves compromising high temporal resolution at the expense of high spatial resolution when popular scanning methods are used to capture 3D information. We introduce an integrated experimental and image…

Volumetric imaging by fluorescence microscopy is often limited by anisotropic spatial resolution from inferior axial resolution compared to the lateral resolution. To address this problem, here we present a deep-learning-enabled…

Computer Vision and Pattern Recognition · Computer Science 2022-07-06 Hyoungjun Park , Myeongsu Na , Bumju Kim , Soohyun Park , Ki Hean Kim , Sunghoe Chang , Jong Chul Ye

The aim of image restoration is to recover high-quality images from distorted ones. However, current methods usually focus on a single task (\emph{e.g.}, denoising, deblurring or super-resolution) which cannot address the needs of…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Cheng Zhang , Yu Zhu , Qingsen Yan , Jinqiu Sun , Yanning Zhang

We present a fast and accurate method for dense depth reconstruction from sparsely sampled light fields obtained using a synchronized camera array. In our method, the source images are over-segmented into non-overlapping compact superpixels…

Image and Video Processing · Electrical Eng. & Systems 2018-12-18 Aleksandra Chuchvara , Attila Barsi , Atanas Gotchev

Purpose: An end-to-end deep convolutional neural network (CNN) based on deep residual network (ResNet) was proposed to efficiently reconstruct reliable T2 mapping from single-shot OverLapping-Echo Detachment (OLED) planar imaging. Methods:…

Computer Vision and Pattern Recognition · Computer Science 2017-08-18 Congbo Cai , Yiqing Zeng , Chao Wang , Shuhui Cai , Jun Zhang , Zhong Chen , Xinghao Ding , Jianhui Zhong

In medical imaging analysis, deep learning has shown promising results. We frequently rely on volumetric data to segment medical images, necessitating the use of 3D architectures, which are commended for their capacity to capture interslice…

Image and Video Processing · Electrical Eng. & Systems 2023-05-18 Ikboljon Sobirov , Numan Saeed , Mohammad Yaqub

Generating consistent multi-view images from a single image remains challenging. Lack of spatial consistency often degrades 3D mesh quality in surface reconstruction. To address this, we propose LoomNet, a novel multi-view diffusion…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Giulio Federico , Fabio Carrara , Claudio Gennaro , Giuseppe Amato , Marco Di Benedetto

Recent works on 3D reconstruction from posed images have demonstrated that direct inference of scene-level 3D geometry without test-time optimization is feasible using deep neural networks, showing remarkable promise and high efficiency.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Noah Stier , Anurag Ranjan , Alex Colburn , Yajie Yan , Liang Yang , Fangchang Ma , Baptiste Angles

Due to the fast inference and good performance, discriminative learning methods have been widely studied in image denoising. However, these methods mostly learn a specific model for each noise level, and require multiple models for…

Computer Vision and Pattern Recognition · Computer Science 2018-08-01 Kai Zhang , Wangmeng Zuo , Lei Zhang