中文
相关论文

相关论文: Image reconstruction by domain transform manifold …

200 篇论文

In Magnetic Particle Imaging (MPI), it is typically assumed that the studied specimen is stationary during the data acquisition. In practical applications however, the searched-for 3D distribution of the magnetic nanoparticles might show a…

最优化与控制 · 数学 2024-01-26 Marius Nitzsche , Bernadette N Hahn

We study the deep image prior (DIP) framework applied to photoacoustic tomography (PAT) as an unsupervised reconstruction approach to mitigate limited-view artifacts and noise commonly encountered in experimental settings. Efficient…

图像与视频处理 · 电气工程与系统科学 2026-04-22 Hanna Pulkkinen , Jenni Poimala , Leonid Kunyansky , Janek Gröhl , Andreas Hauptmann

Multiple-input multiple-output (MIMO) radar is one of the leading depth sensing modalities. However, the usage of multiple receive channels lead to relative high costs and prevent the penetration of MIMOs in many areas such as the…

信号处理 · 电气工程与系统科学 2021-10-08 Tomer Weiss , Nissim Peretz , Sanketh Vedula , Arie Feuer , Alex Bronstein

Parallel imaging is a widely-used technique to accelerate magnetic resonance imaging (MRI). However, current methods still perform poorly in reconstructing artifact-free MRI images from highly undersampled k-space data. Recently, implicit…

图像与视频处理 · 电气工程与系统科学 2022-10-20 Ruimin Feng , Qing Wu , Yuyao Zhang , Hongjiang Wei

We describe and examine an algorithm for tomographic image reconstruction where prior knowledge about the solution is available in the form of training images. We first construct a nonnegative dictionary based on prototype elements from the…

计算机视觉与模式识别 · 计算机科学 2015-08-18 Sara Soltani , Martin S. Andersen , Per Christian Hansen

Motion during acquisition of a set of projections can lead to significant motion artifacts in computed tomography reconstructions despite fast acquisition of individual views. In cases such as cardiac imaging, motion may be unavoidable and…

图像与视频处理 · 电气工程与系统科学 2022-01-19 Kunal Gupta , Brendan Colvert , Francisco Contijoch

Proper regularization is crucial in inverse problems to achieve high-quality reconstruction, even with an ill-conditioned measurement system. This is particularly true for three-dimensional photoacoustic tomography, which is computationally…

最优化与控制 · 数学 2024-09-26 Chao Wang , Alexandre H. Thiery

Traditional image resizing methods usually work in pixel space and use various saliency measures. The challenge is to adjust the image shape while trying to preserve important content. In this paper we perform image resizing in feature…

计算机视觉与模式识别 · 计算机科学 2021-06-23 Moab Arar , Dov Danon , Daniel Cohen-Or , Ariel Shamir

Magnetic particle imaging (MPI) offers unparalleled contrast and resolution for tracing magnetic nanoparticles. A common imaging procedure calibrates a system matrix (SM) that is used to reconstruct data from subsequent scans. The ill-posed…

图像与视频处理 · 电气工程与系统科学 2023-09-07 Alper Güngör , Baris Askin , Damla Alptekin Soydan , Can Barış Top , Emine Ulku Saritas , Tolga Çukur

Vision encoders are increasingly used in modern applications, from vision-only models to multimodal systems such as vision-language models. Despite their remarkable success, it remains unclear how these architectures represent features…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Eduard Allakhverdov , Dmitrii Tarasov , Elizaveta Goncharova , Andrey Kuznetsov

Radon transform is widely used in physical and life sciences and one of its major applications is the X-ray computed tomography (X-ray CT), which is significant in modern health examination. The Radon inversion or image reconstruction is…

计算机视觉与模式识别 · 计算机科学 2018-08-10 Ji He , Jianhua Ma

Image restoration aims to recover high quality images from inputs degraded by various factors, such as adverse weather, blur, or low light. While recent studies have shown remarkable progress across individual or unified restoration tasks,…

计算机视觉与模式识别 · 计算机科学 2026-03-30 I-Hsiang Chen , Isma Hadji , Enrique Sanchez , Adrian Bulat , Sy-Yen Kuo , Radu Timofte , Georgios Tzimiropoulos , Brais Martinez

This paper presents a novel predictive model, MetaMorph, for metamorphic registration of images with appearance changes (i.e., caused by brain tumors). In contrast to previous learning-based registration methods that have little or no…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Jian Wang , Jiarui Xing , Jason Druzgal , William M. Wells , Miaomiao Zhang

In practical applications within the human body, it is often challenging to fully encompass the target tissue or organ, necessitating the use of limited-view arrays, which can lead to the loss of crucial information. Addressing the…

计算机视觉与模式识别 · 计算机科学 2024-07-08 Youshen xiao , Yuting Shen , Bowei Yao , Xiran Cai , Yuyao Zhang , Fei Gao

Image fusion aims to combine information from multiple source images into a single one with more comprehensive informational content. Deep learning-based image fusion algorithms face significant challenges, including the lack of a…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Haowen Bai , Zixiang Zhao , Jiangshe Zhang , Yichen Wu , Lilun Deng , Yukun Cui , Shuang Xu , Baisong Jiang

AUTOMAP is a promising generalized reconstruction approach, however, it is not scalable and hence the practicality is limited. We present dAUTOMAP, a novel way for decomposing the domain transformation of AUTOMAP, making the model scale…

High-quality imaging in photoacoustic computed tomography (PACT) usually requires a high-channel count system for dense spatial sampling around the object to avoid aliasing-related artefacts. To reduce system complexity, various image…

图像与视频处理 · 电气工程与系统科学 2024-09-24 Bowei Yao , Shilong Cui , Haizhao Dai , Qing Wu , Youshen Xiao , Fei Gao , Jingyi Yu , Yuyao Zhang , Xiran Cai

Automatic image annotation is one of the most challenging problems in machine vision areas. The goal of this task is to predict number of keywords automatically for images captured in real data. Many methods are based on visual features in…

计算机视觉与模式识别 · 计算机科学 2014-12-11 Neda Pourali

Text-guided image manipulation has experienced notable advancement in recent years. In order to mitigate linguistic ambiguity, few-shot learning with visual examples has been applied for instructions that are underrepresented in the…

计算机视觉与模式识别 · 计算机科学 2024-12-04 Bolin Lai , Felix Juefei-Xu , Miao Liu , Xiaoliang Dai , Nikhil Mehta , Chenguang Zhu , Zeyi Huang , James M. Rehg , Sangmin Lee , Ning Zhang , Tong Xiao

This tutorial covers biomedical image reconstruction, from the foundational concepts of system modeling and direct reconstruction to modern sparsity and learning-based approaches. Imaging is a critical tool in biological research and…

图像与视频处理 · 电气工程与系统科学 2021-03-12 Michael T. McCann , Michael Unser