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Diffusion-weighted magnetic resonance imaging (DW-MRI) can be used to characterise the microstructure of the nervous tissue, e.g. to delineate brain white matter connections in a non-invasive manner via fibre tracking. Magnetic Resonance…

Variational methods are widely applied to ill-posed inverse problems for they have the ability to embed prior knowledge about the solution. However, the level of performance of these methods significantly depends on a set of parameters,…

Effective learning of asymmetric and local features in images and other data observed on multi-dimensional grids is a challenging objective critical for a wide range of image processing applications involving biomedical and natural images.…

统计方法学 · 统计学 2022-10-06 Meng Li , Li Ma

We present a novel, parameter-efficient and practical fully convolutional neural network architecture, termed InfiNet, aimed at voxel-wise semantic segmentation of infant brain MRI images at iso-intense stage, which can be easily extended…

计算机视觉与模式识别 · 计算机科学 2018-10-16 Shubham Kumar , Sailesh Conjeti , Abhijit Guha Roy , Christian Wachinger , Nassir Navab

Contour detection has been a fundamental component in many image segmentation and object detection systems. Most previous work utilizes low-level features such as texture or saliency to detect contours and then use them as cues for a…

计算机视觉与模式识别 · 计算机科学 2015-04-24 Gedas Bertasius , Jianbo Shi , Lorenzo Torresani

Although deep models have greatly improved the accuracy and robustness of image segmentation, obtaining segmentation results with highly accurate boundaries and fine structures is still a challenging problem. In this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2021-05-12 Xuebin Qin , Deng-Ping Fan , Chenyang Huang , Cyril Diagne , Zichen Zhang , Adrià Cabeza Sant'Anna , Albert Suàrez , Martin Jagersand , Ling Shao

Automatic segmentation of breast tumors from the ultrasound images is essential for the subsequent clinical diagnosis and treatment plan. Although the existing deep learning-based methods have achieved significant progress in automatic…

图像与视频处理 · 电气工程与系统科学 2023-10-24 Xing Yang , Jian Zhang , Qijian Chen , Li Wang , Lihui Wang

The GHM multi-level discrete wavelet transform is proposed as preprocessing for image super resolution with convolutional neural networks. Previous works perform analysis with the Haar wavelet only. In this work, 37 single-level wavelets…

图像与视频处理 · 电气工程与系统科学 2022-04-19 Ben Lowe , Hadi Salman , Justin Zhan

Image segmentation aims to partition an image according to the objects in the scene and is a fundamental step in analysing very high spatial-resolution (VHR) remote sensing imagery. Current methods struggle to effectively consider land…

计算机视觉与模式识别 · 计算机科学 2024-01-08 Xianwei Lv , Claudio Persello , Wangbin Li , Xiao Huang , Dongping Ming , Alfred Stein

The integration of machine learning in magnetic resonance imaging (MRI), specifically in neuroimaging, is proving to be incredibly effective, leading to better diagnostic accuracy, accelerated image analysis, and data-driven insights, which…

U-Nets are a go-to, state-of-the-art neural architecture across numerous tasks for continuous signals on a square such as images and Partial Differential Equations (PDE), however their design and architecture is understudied. In this paper,…

Segmentation of brain structures on MRI is the primary step for further quantitative analysis of brain diseases. Manual segmentation is still considered the gold standard in terms of accuracy; however, such data is extremely time-consuming…

图像与视频处理 · 电气工程与系统科学 2024-10-16 Mengyu Li , Magnus Magnusson , Thilo van Eimeren , Lotta M. Ellingsen

Fully convolutional neural networks like U-Net have been the state-of-the-art methods in medical image segmentation. Practically, a network is highly specialized and trained separately for each segmentation task. Instead of a collection of…

图像与视频处理 · 电气工程与系统科学 2019-09-16 Chao Huang , Hu Han , Qingsong Yao , Shankuan Zhu , S. Kevin Zhou

Far-field characterization of small objects is severely constrained by the diffraction limit. Existing tools achieving sub-diffraction resolution often utilize point-by-point image reconstruction via scanning or labelling. Here, we present…

Performance of deep learning models is strongly governed by architectural capacity, with width and depth as primary controls. However, in physical-science applications, models are often compared at a single fixed size or by separating…

机器学习 · 计算机科学 2026-05-07 Alexander I. Khrabry , Edward A. Startsev , Andrew T. Powis , Igor D. Kaganovich

Over the past few years, state-of-the-art image segmentation algorithms are based on deep convolutional neural networks. To render a deep network with the ability to understand a concept, humans need to collect a large amount of pixel-level…

计算机视觉与模式识别 · 计算机科学 2020-03-25 Weide Liu , Chi Zhang , Guosheng Lin , Fayao Liu

Unsupervised deep learning has recently demonstrated the promise of producing high-quality samples. While it has tremendous potential to promote the image colorization task, the performance is limited owing to the high-dimension of data…

计算机视觉与模式识别 · 计算机科学 2022-08-19 Jin Li , Wanyun Li , Zichen Xu , Yuhao Wang , Qiegen Liu

Even though convolutional neural networks have become the method of choice in many fields of computer vision, they still lack interpretability and are usually designed manually in a cumbersome trial-and-error process. This paper aims at…

Parallel MRI is a fast imaging technique that enables the acquisition of highly resolved images in space. It relies on $k$-space undersampling and multiple receiver coils with complementary sensitivity profiles in order to reconstruct a…

Image segmentation is a primary task in many medical applications. Recently, many deep networks derived from U-Net have been extensively used in various medical image segmentation tasks. However, in most of the cases, networks similar to…

计算机视觉与模式识别 · 计算机科学 2019-08-15 Balamurali Murugesan , Kaushik Sarveswaran , Sharath M Shankaranarayana , Keerthi Ram , Mohanasankar Sivaprakasam