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Related papers: Uncertainty-weighted Multi-tasking for $T_{1\rho}$…

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$T_{1\rho}$ mapping is a promising quantitative MRI technique for the non-invasive assessment of tissue properties. Learning-based approaches can map $T_{1\rho}$ from a reduced number of $T_{1\rho}$ weighted images, but requires significant…

Objective: Quantitative $T_1\rho$ imaging has potential for assessment of biochemical alterations of liver pathologies. Deep learning methods have been employed to accelerate quantitative $T_1\rho$ imaging. To employ artificial…

Medical Physics · Physics 2023-10-11 Chaoxing Huang , Vincent Wai Sun Wong , Queenie Chan , Winnie Chiu Wing Chu , Weitian Chen

With the rise of neural networks in various domains, multi-task learning (MTL) gained significant relevance. A key challenge in MTL is balancing individual task losses during neural network training to improve performance and efficiency…

Machine Learning · Computer Science 2024-08-16 Lukas Kirchdorfer , Cathrin Elich , Simon Kutsche , Heiner Stuckenschmidt , Lukas Schott , Jan M. Köhler

Staging of liver fibrosis is important in the diagnosis and treatment planning of patients suffering from liver diseases. Current deep learning-based methods using abdominal magnetic resonance imaging (MRI) usually take a sub-region of the…

Computer Vision and Pattern Recognition · Computer Science 2023-06-22 Zheyao Gao , Yuanye Liu , Fuping Wu , NanNan Shi , Yuxin Shi , Xiahai Zhuang

Multi-task neural network architectures provide a mechanism that jointly integrates information from distinct sources. It is ideal in the context of MR-only radiotherapy planning as it can jointly regress a synthetic CT (synCT) scan and…

Computer Vision and Pattern Recognition · Computer Science 2019-08-23 Felix J. S. Bragman , Ryutaro Tanno , Zach Eaton-Rosen , Wenqi Li , David J. Hawkes , Sebastien Ourselin , Daniel C. Alexander , Jamie R. McClelland , M. Jorge Cardoso

Semi-supervised learning has made significant strides in the medical domain since it alleviates the heavy burden of collecting abundant pixel-wise annotated data for semantic segmentation tasks. Existing semi-supervised approaches enhance…

Computer Vision and Pattern Recognition · Computer Science 2021-12-03 Xu Zheng , Chong Fu , Haoyu Xie , Jialei Chen , Xingwei Wang , Chiu-Wing Sham

It is difficult to accurately label ambiguous and complex shaped targets manually by binary masks. The weakness of binary mask under-expression is highlighted in medical image segmentation, where blurring is prevalent. In the case of…

Computer Vision and Pattern Recognition · Computer Science 2022-01-04 Lin Wang , Lie Ju , Xin Wang , Wanji He , Donghao Zhang , Yelin Huang , Zhiwen Yang , Xuan Yao , Xin Zhao , Xiufen Ye , Zongyuan Ge

Semi-supervised learning via learning from limited quantities of labeled data has been investigated as an alternative to supervised counterparts. Maximizing knowledge gains from copious unlabeled data benefit semi-supervised learning…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Ayaan Haque , Abdullah-Al-Zubaer Imran , Adam Wang , Demetri Terzopoulos

Though deep learning has achieved advanced performance recently, it remains a challenging task in the field of medical imaging, as obtaining reliable labeled training data is time-consuming and expensive. In this paper, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Yixin Wang , Yao Zhang , Jiang Tian , Cheng Zhong , Zhongchao Shi , Yang Zhang , Zhiqiang He

Previous deep learning based Computer Aided Diagnosis (CAD) system treats multiple views of the same lesion as independent images. Since an ultrasound image only describes a partial 2D projection of a 3D lesion, such paradigm ignores the…

Image and Video Processing · Electrical Eng. & Systems 2022-04-20 Yuanfan Guo , Canqian Yang , Tiancheng Lin , Chunxiao Li , Rui Zhang , Yi Xu

We focus on the problem of training convolutional neural networks on gigapixel histopathology images to predict image-level targets. For this purpose, we extend Neural Image Compression (NIC), an image compression framework that reduces the…

Image and Video Processing · Electrical Eng. & Systems 2020-04-16 David Tellez , Diederik Hoppener , Cornelis Verhoef , Dirk Grunhagen , Pieter Nierop , Michal Drozdzal , Jeroen van der Laak , Francesco Ciompi

We address the problem of multimodal liver segmentation in paired but unregistered T1 and T2-weighted MR images. We compare several strategies described in the literature, with or without multi-task training, with or without…

Deep learning techniques show success in detecting objects in medical images, but still suffer from false-positive predictions that may hinder accurate diagnosis. The estimated uncertainty of the neural network output has been used to flag…

Image and Video Processing · Electrical Eng. & Systems 2023-07-03 Ishaan Bhat , Josien P. W. Pluim , Max A. Viergever , Hugo J. Kuijf

Deep learning-based models, when trained in a fully-supervised manner, can be effective in performing complex image analysis tasks, although contingent upon the availability of large labeled datasets. Especially in the medical imaging…

Computer Vision and Pattern Recognition · Computer Science 2023-06-29 Ayaan Haque , Abdullah-Al-Zubaer Imran , Adam Wang , Demetri Terzopoulos

Purpose: This study demonstrated an MR signal multitask learning method for 3D simultaneous segmentation and relaxometry of human brain tissues. Materials and Methods: A 3D inversion-prepared balanced steady-state free precession sequence…

Medical Physics · Physics 2019-12-02 Peng Cao , Jing Liu , Shuyu Tang , Andrew Leynes , Janine M. Lupo , Duan Xu , Peder E. Z. Larson

One of the ways to make artificial intelligence more natural is to give it some room for doubt. Two main questions should be resolved in that way. First, how to train a model to estimate uncertainties of its own predictions? And then, what…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Alexey Kornaev , Elena Kornaeva , Oleg Ivanov , Ilya Pershin , Danis Alukaev

Training deep convolutional neural networks usually requires a large amount of labeled data. However, it is expensive and time-consuming to annotate data for medical image segmentation tasks. In this paper, we present a novel…

Computer Vision and Pattern Recognition · Computer Science 2019-07-17 Lequan Yu , Shujun Wang , Xiaomeng Li , Chi-Wing Fu , Pheng-Ann Heng

Recovering the T2 distribution from multi-echo T2 magnetic resonance (MR) signals is challenging but has high potential as it provides biomarkers characterizing the tissue micro-structure, such as the myelin water fraction (MWF). In this…

Numerous deep learning applications benefit from multi-task learning with multiple regression and classification objectives. In this paper we make the observation that the performance of such systems is strongly dependent on the relative…

Computer Vision and Pattern Recognition · Computer Science 2018-04-25 Alex Kendall , Yarin Gal , Roberto Cipolla

Semi-supervised learning relaxes the need of large pixel-wise labeled datasets for image segmentation by leveraging unlabeled data. A prominent way to exploit unlabeled data is to regularize model predictions. Since the predictions of…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Sukesh Adiga , Jose Dolz , Herve Lombaert
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