中文
相关论文

相关论文: Echo Planar Time-Resolved Imaging (EPTI) with Subs…

200 篇论文

Purpose: To introduce a novel deep learning based approach for fast and high-quality dynamic multi-coil MR reconstruction by learning a complementary time-frequency domain network that exploits spatio-temporal correlations simultaneously…

图像与视频处理 · 电气工程与系统科学 2021-06-21 Chen Qin , Jinming Duan , Kerstin Hammernik , Jo Schlemper , Thomas Küstner , René Botnar , Claudia Prieto , Anthony N. Price , Joseph V. Hajnal , Daniel Rueckert

Electrical properties (EPs) of tissues, conductivity and permittivity, are modulated by the ionic and water content, which change in presence of pathologies. Information on tissues EPs can be used e.g. as an endogenous biomarker in…

Sparse-view Computed Tomography (CT) is an emerging protocol designed to reduce X-ray dose radiation in medical imaging. Traditional Filtered Back Projection algorithm reconstructions suffer from severe artifacts due to sparse data. In…

数值分析 · 数学 2024-12-03 Elena Loli Piccolomini , Davide Evangelista , Elena Morotti

Depth estimation is a fundamental problem in light field processing. Epipolar-plane image (EPI)-based methods often encounter challenges such as low accuracy in slope computation due to discretization errors and limited angular resolution.…

计算机视觉与模式识别 · 计算机科学 2023-09-08 Ping Zhou , Langqing Shi , Xiaoyang Liu , Jing Jin , Yuting Zhang , Junhui Hou

Purpose: To develop an accelerated Cartesian MRF implementation using a multi-shot EPI sequence for rapid simultaneous quantification of T1 and T2 parameters. Methods: The proposed Cartesian MRF method involved the acquisition of highly…

Pretrained vision-language models (VLMs) like CLIP show strong zero-shot performance but struggle with generalization under distribution shifts. Test-Time Adaptation (TTA) addresses this by adapting VLMs to unlabeled test data in new…

计算机视觉与模式识别 · 计算机科学 2025-08-11 Hamidreza Dastmalchi , Aijun An , Ali cheraghian

Cloud cover in multispectral imagery (MSI) significantly hinders early-season crop mapping by corrupting spectral information. Existing Vision Transformer(ViT)-based time-series reconstruction methods, like SMTS-ViT, often employ coarse…

计算机视觉与模式识别 · 计算机科学 2025-12-11 Yiqun Wang , Lujun Li , Meiru Yue , Radu State

Objective: To present the first 3D CGO-based absolute EIT reconstructions from experimental tank data. Approach: CGO-based methods for absolute EIT imaging are compared to traditional TV regularized non-linear least squares reconstruction…

Focused transmits are the most commonly used transmit strategy for echocardiograms, but suffer from relatively low frame rates, and in 3D, even lower volume rates. Fast imaging based on unfocused transmits has disadvantages such as motion…

信号处理 · 电气工程与系统科学 2026-05-14 Wessel L. van Nierop , Oisín Nolan , Tristan S. W. Stevens , Ruud J. G. van Sloun

Electrical impedance tomography (EIT) is a non-invasive imaging technique, capable of reconstructing images of the electrical conductivity of tissues and materials. It is popular in diverse application areas, from medical imaging to…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Shuaikai Shi , Ruiyuan Kang , Panos Liatsis

By circumventing the resolution limitations of optics, coherent diffractive imaging (CDI) and ptychography are making their way into scientific fields ranging from X-ray imaging to astronomy. Yet, the need for time consuming iterative phase…

计算物理 · 物理学 2023-10-13 Oliver Hoidn , Aashwin Ananda Mishra , Apurva Mehta

Motor imagery (MI) based EEG represents a frontier in enabling direct neural control of external devices and advancing neural rehabilitation. This study introduces a novel time embedding technique, termed traveling-wave based time…

神经元与认知 · 定量生物学 2024-08-26 Zhengqing Miao , Meirong Zhao

Removing noise from images is a challenging and fundamental problem in the field of computer vision. Images captured by modern cameras are inevitably degraded by noise which limits the accuracy of any quantitative measurements on those…

计算机视觉与模式识别 · 计算机科学 2023-07-13 Nikhil Verma , Deepkamal Kaur , Lydia Chau

Electroencephalography (EEG) analysis is an important domain in the realm of Brain-Computer Interface (BCI) research. To ensure BCI devices are capable of providing practical applications in the real world, brain signal processing…

信号处理 · 电气工程与系统科学 2024-08-08 Teng Liang , Andrews Damoah

Ptychography is a popular microscopic imaging modality for many scientific discoveries and sets the record for highest image resolution. Unfortunately, the high image resolution for ptychographic reconstruction requires significant amount…

图像与视频处理 · 电气工程与系统科学 2022-12-19 Xiao Wang , Aristeidis Tsaris , Debangshu Mukherjee , Mohamed Wahib , Peng Chen , Mark Oxley , Olga Ovchinnikova , Jacob Hinkle

Accurate geometric surface reconstruction, providing essential environmental information for navigation and manipulation tasks, is critical for enabling robotic self-exploration and interaction. Recently, 3D Gaussian Splatting (3DGS) has…

计算机视觉与模式识别 · 计算机科学 2025-07-17 Tengfei Wang , Xin Wang , Yongmao Hou , Zhaoning Zhang , Yiwei Xu , Zongqian Zhan

One of the solutions of depth imaging of moving scene is to project a static pattern on the object and use just a single image for reconstruction. However, if the motion of the object is too fast with respect to the exposure time of the…

计算机视觉与模式识别 · 计算机科学 2017-10-03 Yuki Shiba , Satoshi Ono , Ryo Furukawa , Shinsaku Hiura , Hiroshi Kawasaki

Dynamic positron emission tomography (dPET) image reconstruction is extremely challenging due to the limited counts received in individual frame. In this paper, we propose a spatial-temporal convolutional primal dual network (STPDnet) for…

图像与视频处理 · 电气工程与系统科学 2023-03-09 Rui Hu , Jianan Cui , Chengjin Yu , Yunmei Chen , Huafeng Liu

MRI systems are traditionally engineered to produce close to idealized performance, enabling a simplified pulse sequence design philosophy. An example of this is control of eddy currents produced by gradient fields; usually these are…

With the rapid development of stereoscopic display technologies, especially glasses-free 3D screens, and virtual reality devices, stereoscopic conversion has become an important task to address the lack of high-quality stereoscopic image…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Shanding Diao , Yang Zhao , Yuan Chen , Zhao Zhang , Wei Jia , Ronggang Wang