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Semantic segmentation of brain tumours is a fundamental task in medical image analysis that can help clinicians in diagnosing the patient and tracking the progression of any malignant entities. Accurate segmentation of brain lesions is…

Image and Video Processing · Electrical Eng. & Systems 2023-08-29 Aditya Kasliwal , Sankarshanaa Sagaram , Laven Srivastava , Pratinav Seth , Adil Khan

3D medical image processing with deep learning greatly suffers from a lack of data. Thus, studies carried out in this field are limited compared to works related to 2D natural image analysis, where very large datasets exist. As a result,…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Hicham Messaoudi , Ahror Belaid , Mohamed Lamine Allaoui , Ahcene Zetout , Mohand Said Allili , Souhil Tliba , Douraied Ben Salem , Pierre-Henri Conze

Purpose: Long scan time in phase encoding for forming complete K-space matrices is a critical drawback of MRI, making patients uncomfortable and wasting important time for diagnosing emergent diseases. This paper aims to reducing the scan…

Computer Vision and Pattern Recognition · Computer Science 2022-03-14 Yiming Liu , Yanwei Pang , Ruiqi Jin , Zhenchang Wang

We present a deep learning strategy that enables, for the first time, contrast-agnostic semantic segmentation of completely unpreprocessed brain MRI scans, without requiring additional training or fine-tuning for new modalities. Classical…

Image and Video Processing · Electrical Eng. & Systems 2021-04-09 Benjamin Billot , Douglas Greve , Koen Van Leemput , Bruce Fischl , Juan Eugenio Iglesias , Adrian V. Dalca

Simultaneous multislice (SMS) imaging is a one of the acceleration technique of magnetic resonance imaging. SMS requires accurate sensitivity distributions in the slice plane for each receiving coil. This requirement is difficult to satisfy…

Medical Physics · Physics 2024-03-04 Satoshi Ito , Yuki Sato , Naoya Endo , Shohei Ouchi

AI-driven tumor analysis has garnered increasing attention in healthcare. However, its progress is significantly hindered by the lack of annotated tumor cases, which requires radiologists to invest a lot of effort in collecting and…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Linshan Wu , Jiaxin Zhuang , Xuefeng Ni , Hao Chen

Magnetic resonance imaging (MRI) motion artifacts can seriously affect clinical diagnostics, making it challenging to interpret images accurately. Existing methods for eliminating motion artifacts struggle to retain fine structural details…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Zhongyu Mai , Zewei Zhan , Hanyu Guo , Yulang Huang , Weifeng Su

Deep learning techniques, particularly convolutional neural networks (CNNs), have gained traction for synthetic computed tomography (sCT) generation from Magnetic resonance imaging (MRI), Cone-beam computed tomography (CBCT) and PET. In…

Image and Video Processing · Electrical Eng. & Systems 2023-08-29 Satoshi Kondo , Satoshi Kasai , Kousuke Hirasawa

Fetal brain tissue segmentation in magnetic resonance imaging (MRI) is a crucial tool that supports understanding of neurodevelopment, yet it faces challenges due to the heterogeneity of data coming from different scanners and settings, as…

Recently, the Magnetic Resonance Imaging (MRI) images have limited and unsatisfactory resolutions due to various constraints such as physical, technological and economic considerations. Super-resolution techniques can obtain high-resolution…

Computer Vision and Pattern Recognition · Computer Science 2019-02-14 Yinghua Li , Bin Song , Jie Guo , Xiaojiang Du , Mohsen Guizani

Deep learning methods for brain tumor segmentation are typically trained in an ad hoc fashion on all available data. Brain tumors are tremendously heterogeneous in image appearance and labeled training data is limited. We argue that…

Image and Video Processing · Electrical Eng. & Systems 2019-07-31 Raphael Meier , Michael Rebsamen , Urspeter Knecht , Mauricio Reyes , Roland Wiest , Richard McKinley

The most recent fast and accurate image segmentation methods are built upon fully convolutional deep neural networks. In this paper, we propose new deep learning strategies for DenseNets to improve segmenting images with subtle differences…

Computer Vision and Pattern Recognition · Computer Science 2018-12-11 Seyed Raein Hashemi , Sanjay P. Prabhu , Simon K. Warfield , Ali Gholipour

Deep learning techniques have successfully been employed in numerous computer vision tasks including image segmentation. The techniques have also been applied to medical image segmentation, one of the most critical tasks in computer-aided…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Titinunt Kitrungrotsakul , Iwamoto Yutaro , Lanfen Lin , Ruofeng Tong , Jingsong Li , Yen-Wei Chen

In this paper, we propose a multi-stage and high-resolution model for image synthesis that uses fine-grained attributes and masks as input. With a fine-grained attribute, the proposed model can detailedly constrain the features of the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-13 Pengyang Li , Donghui Wang

Multi-modal magnetic resonance imaging (MRI) is essential in clinics for comprehensive diagnosis and surgical planning. Nevertheless, the segmentation of multi-modal MR images tends to be time-consuming and challenging. Convolutional neural…

Image and Video Processing · Electrical Eng. & Systems 2019-08-07 Cheng Li , Hui Sun , Zaiyi Liu , Meiyun Wang , Hairong Zheng , Shanshan Wang

Computer-aided tumor detection has shown great potential in enhancing the interpretation of over 80 million CT scans performed annually in the United States. However, challenges arise due to the rarity of CT scans with tumors, especially…

Image and Video Processing · Electrical Eng. & Systems 2024-09-11 Qi Chen , Yuxiang Lai , Xiaoxi Chen , Qixin Hu , Alan Yuille , Zongwei Zhou

Synthesized medical images have several important applications, e.g., as an intermedium in cross-modality image registration and as supplementary training samples to boost the generalization capability of a classifier. Especially,…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Zizhao Zhang , Lin Yang , Yefeng Zheng

We propose a radical advance in Magnetic Resonance Imaging. MRI remains slow because it requires successive applications of magnetic field gradients to encode for spatial location. Parallel MRI accelerates imaging by permitting…

Medical Physics · Physics 2018-09-19 Michael Hutchinson , Ulrich Raff , Luis Osorio

Magnetic Resonance (MR) images of different modalities can provide complementary information for clinical diagnosis, but whole modalities are often costly to access. Most existing methods only focus on synthesizing missing images between…

Computer Vision and Pattern Recognition · Computer Science 2020-05-05 Bingyu Xin , Yifan Hu , Yefeng Zheng , Hongen Liao

Deep learning-based medical image segmentation models, such as U-Net, rely on high-quality annotated datasets to achieve accurate predictions. However, the increasing use of generative models for synthetic data augmentation introduces…

Image and Video Processing · Electrical Eng. & Systems 2025-02-07 Tianhao Li , Tianyu Zeng , Yujia Zheng , Chulong Zhang , Jingyu Lu , Haotian Huang , Chuangxin Chu , Fang-Fang Yin , Zhenyu Yang