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In clinical practice, multi-modal magnetic resonance imaging (MRI) with different contrasts is usually acquired in a single study to assess different properties of the same region of interest in the human body. The whole acquisition process…

图像与视频处理 · 电气工程与系统科学 2022-04-05 Kai Xuan , Lei Xiang , Xiaoqian Huang , Lichi Zhang , Shu Liao , Dinggang Shen , Qian Wang

Learning-based image super-resolution aims to reconstruct high-frequency (HF) details from the prior model trained by a set of high- and low-resolution image patches. In this paper, HF to be estimated is considered as a combination of two…

计算机视觉与模式识别 · 计算机科学 2016-11-18 Jian Zhang , Chen Zhao , Ruiqin Xiong , Siwei Ma , Debin Zhao

Magnetic resonance imaging (MRI) plays a vital role in clinical diagnostics, yet it remains hindered by long acquisition times and motion artifacts. Multi-contrast MRI reconstruction has emerged as a promising direction by leveraging…

计算机视觉与模式识别 · 计算机科学 2026-01-15 Xinming Fang , Chaoyan Huang , Juncheng Li , Jun Wang , Jun Shi , Guixu Zhang

Metal artefact reduction (MAR) techniques aim at removing metal-induced noise from clinical images. In Computed Tomography (CT), supervised deep learning approaches have been shown effective but limited in generalisability, as they mostly…

计算机视觉与模式识别 · 计算机科学 2020-04-21 Marta B. M. Ranzini , Irme Groothuis , Kerstin Kläser , M. Jorge Cardoso , Johann Henckel , Sébastien Ourselin , Alister Hart , Marc Modat

We propose a novel approach for 3D mesh reconstruction from multi-view images. Our method takes inspiration from large reconstruction models like LRM that use a transformer-based triplane generator and a Neural Radiance Field (NeRF) model…

To achieve promising results on removing noise from real-world images, most of existing denoising networks are formulated with complex network structure, making them impractical for deployment. Some attempts focused on reducing the number…

计算机视觉与模式识别 · 计算机科学 2022-05-25 Yifeng Zhou , Xing Xu , Shuaicheng Liu , Guoqing Wang , Huimin Lu , Heng Tao Shen

The anti-interference capability of wireless links is a physical layer problem for edge computing. Although convolutional codes have inherent error correction potential due to the redundancy introduced in the data, the performance of the…

信息论 · 计算机科学 2022-11-15 Haoyu Li , Xuan Wang , Tong Liu , Dingyi Fang , Baoying Liu

Beamformers often trade off white noise gain against the ability to suppress interferers. With distributed microphone arrays, this trade-off becomes crucial as different arrays capture vastly different magnitude and phase differences for…

声音 · 计算机科学 2025-07-09 Manan Mittal , Ryan M. Corey , Andrew C. Singer

Hybrid X-ray and magnetic resonance (MR) imaging promises large potential in interventional medical imaging applications due to the broad variety of contrast of MRI combined with fast imaging of X-ray-based modalities. To fully utilize the…

图像与视频处理 · 电气工程与系统科学 2019-11-20 Bernhard Stimpel , Christopher Syben , Tobias Würfl , Katharina Breininger , Philipp Hoelter , Arnd Dörfler , Andreas Maier

This paper presents MM-LSCM, a self-supervised multi-modal neural radio radiance field framework for localized statistical channel modeling (LSCM) for next-generation network optimization. Traditional LSCM methods rely solely on RSRP data,…

信号处理 · 电气工程与系统科学 2025-08-11 Yiheng Wang , Shutao Zhang , Ye Xue , Tsung-Hui Chang

The high-intensity, repetitive noise associated with functional magnetic resonance imaging hinders on-line monitoring of subjects' speech and/or recording speech signals suitable for off-line analysis. The proposed algorithm enhances the…

声音 · 计算机科学 2012-07-26 Satrajit S. Ghosh

In this paper, we propose an end-to-end mixed-resolution image compression framework with convolutional neural networks. Firstly, given one input image, feature description neural network (FDNN) is used to generate a new representation of…

计算机视觉与模式识别 · 计算机科学 2018-08-03 Lijun Zhao , Huihui Bai , Feng Li , Anhong Wang , Yao Zhao

Coordinate networks like Multiplicative Filter Networks (MFNs) and BACON offer some control over the frequency spectrum used to represent continuous signals such as images or 3D volumes. Yet, they are not readily applicable to problems for…

计算机视觉与模式识别 · 计算机科学 2022-10-28 Shayan Shekarforoush , David B. Lindell , David J. Fleet , Marcus A. Brubaker

Magnetic resonance imaging (MRI) is a widely used neuroimaging technique that can provide images of different contrasts (i.e., modalities). Fusing this multi-modal data has proven particularly effective for boosting model performance in…

计算机视觉与模式识别 · 计算机科学 2020-02-13 Tao Zhou , Huazhu Fu , Geng Chen , Jianbing Shen , Ling Shao

This study investigates the reconstruction of hyperspectral signatures from RGB data to enhance surgical imaging, utilizing the publicly available HeiPorSPECTRAL dataset from porcine surgery and an in-house neurosurgery dataset. Various…

图像与视频处理 · 电气工程与系统科学 2024-10-18 Tobias Czempiel , Alfie Roddan , Maria Leiloglou , Zepeng Hu , Kevin O'Neill , Giulio Anichini , Danail Stoyanov , Daniel Elson

Despite the significant progress in image denoising, it is still challenging to restore fine-scale details while removing noise, especially in extremely low-light environments. Leveraging near-infrared (NIR) images to assist visible RGB…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Rongjian Xu , Zhilu Zhang , Renlong Wu , Wangmeng Zuo

We introduce a novel Multi-modal Guided Real-World Face Restoration (MGFR) technique designed to improve the quality of facial image restoration from low-quality inputs. Leveraging a blend of attribute text prompts, high-quality reference…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Keda Tao , Jinjin Gu , Yulun Zhang , Xiucheng Wang , Nan Cheng

Time-frequency representation (TFR) is often used for non-stationary signal analysis. The most intuitive and interpretable TFR is the spectrogram. Recently, a concept of non-negative matrix factorization (NMF) has been successfully applied…

信号处理 · 电气工程与系统科学 2024-03-20 Mateusz Gabor , Rafal Zdunek , Radoslaw Zimroz , Agnieszka Wylomanska

Hyperspectral reconstruction (HSR) from RGB images is a highly promising direction for accurate color reproduction and material color measurement. While most existing approaches rely on a single RGB image - thereby limiting reconstruction…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Daniil Reutsky , Daniil Vladimirov , Yasin Mamedov , Georgy Perevozchikov , Nancy Mehta , Egor Ershov , Radu Timofte

Image demoireing is a multi-faceted image restoration task involving both texture and color restoration. In this paper, we propose a novel multiscale bandpass convolutional neural network (MBCNN) to address this problem. As an end-to-end…

计算机视觉与模式识别 · 计算机科学 2020-04-02 Bolun Zheng , Shanxin Yuan , Gregory Slabaugh , Ales Leonardis