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相关论文: Region-based Contrastive Pretraining for Medical I…

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Magnetic resonance imaging (MRI) can present multi-contrast images of the same anatomical structures, enabling multi-contrast super-resolution (SR) techniques. Compared with SR reconstruction using a single-contrast, multi-contrast SR…

图像与视频处理 · 电气工程与系统科学 2022-03-29 Guangyuan Li , Jun Lv , Yapeng Tian , Qi Dou , Chengyan Wang , Chenliang Xu , Jing Qin

Recent learning-based approaches have made astonishing advances in calibrated medical imaging like computerized tomography (CT), yet they struggle to generalize in uncalibrated modalities -- notably magnetic resonance (MR) imaging, where…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Peirong Liu , Oula Puonti , Xiaoling Hu , Daniel C. Alexander , Juan E. Iglesias

Contrastive pretraining can substantially increase model generalisation and downstream performance. However, the quality of the learned representations is highly dependent on the data augmentation strategy applied to generate positive…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Mélanie Roschewitz , Fabio De Sousa Ribeiro , Tian Xia , Galvin Khara , Ben Glocker

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

Medical image interpretation using deep learning has shown promise but often requires extensive expert-annotated datasets. To reduce this annotation burden, we develop an Image-Graph Contrastive Learning framework that pairs chest X-rays…

图像与视频处理 · 电气工程与系统科学 2024-05-17 Sameer Khanna , Daniel Michael , Marinka Zitnik , Pranav Rajpurkar

Magnetic resonance imaging (MRI) reconstruction is a fundamental task aimed at recovering high-quality images from undersampled or low-quality MRI data. This process enhances diagnostic accuracy and optimizes clinical applications. In…

图像与视频处理 · 电气工程与系统科学 2025-03-11 Xiaoyan Kui , Zijie Fan , Zexin Ji , Qinsong Li , Chengtao Liu , Weixin Si , Beiji Zou

Medical image representations can be learned through medical vision-language contrastive learning (mVLCL) where medical imaging reports are used as weak supervision through image-text alignment. These learned image representations can be…

计算机视觉与模式识别 · 计算机科学 2025-02-10 Mingjian Li , Mingyuan Meng , Michael Fulham , David Dagan Feng , Lei Bi , Jinman Kim

The automatic identification of Magnetic Resonance Imaging (MRI) sequences can streamline clinical workflows by reducing the time radiologists spend manually sorting and identifying sequences, thereby enabling faster diagnosis and treatment…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Yuli Wang , Kritika Iyer , Sep Farhand , Yoshihisa Shinagawa

Background: Automated classification of medical images through neural networks can reach high accuracy rates but lack interpretability. Objectives: To compare the diagnostic accuracy obtained by using content based image retrieval (CBIR) to…

计算机视觉与模式识别 · 计算机科学 2018-10-24 Philipp Tschandl , Giuseppe Argenziano , Majid Razmara , Jordan Yap

The current models of image representation based on Convolutional Neural Networks (CNN) have shown tremendous performance in image retrieval. Such models are inspired by the information flow along the visual pathway in the human visual…

计算机视觉与模式识别 · 计算机科学 2017-03-06 Zakaria Laskar , Juho Kannala

Purpose: In many clinical MRI scenarios, existing imaging information can be used to significantly shorten acquisition time or to improve Signal to Noise Ratio (SNR). In this paper the authors present a framework for fast MRI by exploiting…

医学物理 · 物理学 2017-08-28 Lior Weizman , Yonina C. Eldar , Dafna Ben-Basaht

Many real-world settings require registration of a pair of medical images that differ in spatial resolution, which may arise from differences in image acquisition parameters like pixel spacing, slice thickness, and field-of-view. However,…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Mina C. Moghadam , Alan Q. Wang , Omer Taub , Martin R. Prince , Mert R. Sabuncu

Self-supervised learning provides an opportunity to explore unlabeled chest X-rays and their associated free-text reports accumulated in clinical routine without manual supervision. This paper proposes a Joint Image Text Representation…

机器学习 · 计算机科学 2021-09-07 Zhanghexuan Ji , Mohammad Abuzar Shaikh , Dana Moukheiber , Sargur Srihari , Yifan Peng , Mingchen Gao

Substantial advances in multi-modal Artificial Intelligence (AI) facilitate the combination of diverse medical modalities to achieve holistic health assessments. We present COMPRER , a novel multi-modal, multi-objective pretraining…

计算机视觉与模式识别 · 计算机科学 2024-03-18 Guy Lutsker , Hagai Rossman , Nastya Godiva , Eran Segal

Medical Image Retrieval is a challenging field in Visual information retrieval, due to the multi-dimensional and multi-modal context of the underlying content. Traditional models often fail to take the intrinsic characteristics of data into…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Sowmya Kamath S , Karthik K

Composed Image Retrieval (CIR) retrieves target images using a multi-modal query that combines a reference image with text describing desired modifications. The primary challenge is effectively fusing this visual and textual information.…

计算机视觉与模式识别 · 计算机科学 2025-04-16 Chaoyang Wang , Zeyu Zhang , Long Teng , Zijun Li , Shichao Kan

Magnetic resonance imaging (MRI) is a crucial medical imaging modality. However, long acquisition times remain a significant challenge, leading to increased costs, and reduced patient comfort. Recent studies have shown the potential of…

计算机视觉与模式识别 · 计算机科学 2025-07-30 Amirmohammad Shamaei , Alexander Stebner , Salome , Bosshart , Johanna Ospel , Gouri Ginde , Mariana Bento , Roberto Souza

Most image retrieval research prioritizes improving predictive performance, often overlooking situations where the reliability of predictions is equally important. The gap between model performance and reliability requirements highlights…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Kaiwen Cai , Chris Xiaoxuan Lu , Xingyu Zhao , Xiaowei Huang

State-of-the-art methods for object detection use region proposal networks (RPN) to hypothesize object location. These networks simultaneously predicts object bounding boxes and \emph{objectness} scores at each location in the image. Unlike…

计算机视觉与模式识别 · 计算机科学 2018-12-27 Awais Mansoor , Antonio R. Porras , Marius George Linguraru

The volume estimation of brain regions from MRI data is a key problem in many clinical applications, where the acquisition of data at high spatial resolution is desirable. While parallel MRI and constrained image reconstruction algorithms…

图像与视频处理 · 电气工程与系统科学 2021-05-20 Aniket Pramanik , Xiaodong Wu , Mathews Jacob