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Dynamic magnetic resonance imaging (MRI) plays an indispensable role in cardiac diagnosis. To enable fast imaging, the k-space data can be undersampled but the image reconstruction poses a great challenge of high-dimensional processing.…

Image and Video Processing · Electrical Eng. & Systems 2024-10-03 Zi Wang , Min Xiao , Yirong Zhou , Chengyan Wang , Naiming Wu , Yi Li , Yiwen Gong , Shufu Chang , Yinyin Chen , Liuhong Zhu , Jianjun Zhou , Congbo Cai , He Wang , Di Guo , Guang Yang , Xiaobo Qu

In this work, we propose to resolve the issue existing in current deep learning based organ segmentation systems that they often produce results that do not capture the overall shape of the target organ and often lack smoothness. Since…

Computer Vision and Pattern Recognition · Computer Science 2019-12-10 Yuan Xue , Hui Tang , Zhi Qiao , Guanzhong Gong , Yong Yin , Zhen Qian , Chao Huang , Wei Fan , Xiaolei Huang

Ischemic stroke lesion segmentation from Computed Tomography Perfusion (CTP) images is important for accurate diagnosis of stroke in acute care units. However, it is challenged by low image contrast and resolution of the perfusion parameter…

Image and Video Processing · Electrical Eng. & Systems 2021-01-01 Guotai Wang , Tao Song , Qiang Dong , Mei Cui , Ning Huang , Shaoting Zhang

Segmentation for tracking surgical instruments plays an important role in robot-assisted surgery. Segmentation of surgical instruments contributes to capturing accurate spatial information for tracking. In this paper, a novel network,…

Computer Vision and Pattern Recognition · Computer Science 2019-09-20 Zhen-Liang Ni , Gui-Bin Bian , Xiao-Liang Xie , Zeng-Guang Hou , Xiao-Hu Zhou , Yan-Jie Zhou

Functional MRI (fMRI) is commonly used for interpreting neural activities across the brain. Numerous accelerated fMRI techniques aim to provide improved spatiotemporal resolutions. Among these, simultaneous multi-slice (SMS) imaging has…

Image and Video Processing · Electrical Eng. & Systems 2021-05-11 Omer Burak Demirel , Burhaneddin Yaman , Logan Dowdle , Steen Moeller , Luca Vizioli , Essa Yacoub , John Strupp , Cheryl A. Olman , Kâmil Uğurbil , Mehmet Akçakaya

The diagnosis, prognosis, and treatment of patients with musculoskeletal (MSK) disorders require radiology imaging (using computed tomography, magnetic resonance imaging(MRI), and ultrasound) and their precise analysis by expert…

Image and Video Processing · Electrical Eng. & Systems 2020-03-03 Ismail Irmakci , Syed Muhammad Anwar , Drew A. Torigian , Ulas Bagci

Skin lesions segmentation is an important step in the process of automated diagnosis of the skin melanoma. However, the accuracy of segmenting melanomas skin lesions is quite a challenging task due to less data for training, irregular…

Image and Video Processing · Electrical Eng. & Systems 2020-12-29 Sabari Nathan , Priya Kansal

Semantic segmentation of medical images with deep learning models is rapidly developed. In this study, we benchmarked state-of-the-art deep learning segmentation algorithms on our clinical stereotactic radiosurgery dataset, demonstrating…

Image and Video Processing · Electrical Eng. & Systems 2020-07-24 Siang-Ruei Wu , Hao-Yun Chang , Florence T Su , Heng-Chun Liao , Wanju Tseng , Chun-Chih Liao , Feipei Lai , Feng-Ming Hsu , Furen Xiao

Segmentations are crucial in medical imaging to obtain morphological, volumetric, and radiomics biomarkers. Manual segmentation is accurate but not feasible in the radiologist's clinical workflow, while automatic segmentation generally…

Purpose: Lesion segmentation in medical imaging is key to evaluating treatment response. We have recently shown that reinforcement learning can be applied to radiological images for lesion localization. Furthermore, we demonstrated that…

Computer Vision and Pattern Recognition · Computer Science 2021-03-22 Joseph Stember , Hrithwik Shalu

Segmenting stroke lesions from T1-weighted MR images is of great value for large-scale stroke rehabilitation neuroimaging analyses. Nevertheless, there are great challenges with this task, such as large range of stroke lesion scales and the…

Image and Video Processing · Electrical Eng. & Systems 2021-02-17 Hao Yang , Weijian Huang , Kehan Qi , Cheng Li , Xinfeng Liu , Meiyun Wang , Hairong Zheng , Shanshan Wang

Deep neural networks (DNN) have shown promises in the lesion segmentation of multiple sclerosis (MS) from multicontrast MRI including T1, T2, proton density (PD) and FLAIR sequences. However, one challenge in deploying such networks into…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Yushan Feng , Huitong Pan , Craig Meyer , Xue Feng

Most of the current state-of-the-art methods for tumor segmentation are based on machine learning models trained on manually segmented images. This type of training data is particularly costly, as manual delineation of tumors is not only…

Computer Vision and Pattern Recognition · Computer Science 2019-08-21 Pawel Mlynarski , Hervé Delingette , Antonio Criminisi , Nicholas Ayache

Segmentation of white matter lesions and deep grey matter structures is an important task in the quantification of magnetic resonance imaging in multiple sclerosis. In this paper we explore segmentation solutions based on convolutional…

Hemispheric strokes impair motor control in contralateral body parts, necessitating effective rehabilitation strategies. Motor Imagery-based Brain-Computer Interfaces (MI-BCIs) promote neuroplasticity, aiding the recovery of motor…

Signal Processing · Electrical Eng. & Systems 2025-01-06 Praveen K. Parashiva , Sagila Gangadaran , A. P. Vinod

Automatic lesion segmentation in dermoscopy images is an essential step for computer-aided diagnosis of melanoma. The dermoscopy images exhibits rotational and reflectional symmetry, however, this geometric property has not been encoded in…

Computer Vision and Pattern Recognition · Computer Science 2018-07-10 Xiaomeng Li , Lequan Yu , Chi-Wing Fu , Pheng-Ann Heng

Medical images used in clinical practice are heterogeneous and not the same quality as scans studied in academic research. Preprocessing breaks down in extreme cases when anatomy, artifacts, or imaging parameters are unusual or protocols…

Image and Video Processing · Electrical Eng. & Systems 2022-08-31 Mostafa Mehdipour Ghazi , Mads Nielsen

Segmentation is a crucial task in the medical imaging field and is often an important primary step or even a prerequisite to the analysis of medical volumes. Yet treatments such as surgery complicate the accurate delineation of regions of…

Image and Video Processing · Electrical Eng. & Systems 2024-09-13 Heejong Kim , Leo Milecki , Mina C Moghadam , Fengbei Liu , Minh Nguyen , Eric Qiu , Abhishek Thanki , Mert R Sabuncu

Multiple Sclerosis (MS) is a severe neurological disease characterized by inflammatory lesions in the central nervous system. Hence, predicting inflammatory disease activity is crucial for disease assessment and treatment. However, MS…

Image and Video Processing · Electrical Eng. & Systems 2023-09-01 Chinmay Prabhakar , Hongwei Bran Li , Johannes C. Paetzold , Timo Loehr , Chen Niu , Mark Mühlau , Daniel Rueckert , Benedikt Wiestler , Bjoern Menze

Automatic segmentation of pathological shoulder muscles in patients with musculo-skeletal diseases is a challenging task due to the huge variability in muscle shape, size, location, texture and injury. A reliable fully-automated…

Computer Vision and Pattern Recognition · Computer Science 2020-04-28 Pierre-Henri Conze , Sylvain Brochard , Valérie Burdin , Frances T. Sheehan , Christelle Pons