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Uncertainty quantification is vital for safety-critical Deep Learning applications like medical image segmentation. We introduce BA U-Net, an uncertainty-aware model for MRI segmentation that integrates Bayesian Neural Networks with…

图像与视频处理 · 电气工程与系统科学 2024-09-17 Lohith Konathala

Recently single image super resolution is very important research area to generate high resolution image from given low resolution image. Algorithms of single image resolution are mainly based on wavelet domain and spatial domain. Filters…

计算机视觉与模式识别 · 计算机科学 2013-09-10 Sapan Naik , Nikunj Patel

The high complexity of various inverse problems poses a significant challenge to model-based reconstruction schemes, which in such situations often reach their limits. At the same time, we witness an exceptional success of data-based…

计算机视觉与模式识别 · 计算机科学 2019-09-04 T. A. Bubba , G. Kutyniok , M. Lassas , M. März , W. Samek , S. Siltanen , V. Srinivasan

Unsupervised image registration commonly adopts U-Net style networks to predict dense displacement fields in the full-resolution spatial domain. For high-resolution volumetric image data, this process is however resource-intensive and…

计算机视觉与模式识别 · 计算机科学 2023-07-07 Xi Jia , Joseph Bartlett , Wei Chen , Siyang Song , Tianyang Zhang , Xinxing Cheng , Wenqi Lu , Zhaowen Qiu , Jinming Duan

MRI with multiple protocols is commonly used for diagnosis, but it suffers from a long acquisition time, which yields the image quality vulnerable to say motion artifacts. To accelerate, various methods have been proposed to reconstruct…

图像与视频处理 · 电气工程与系统科学 2020-04-09 Bo Zhou , S. Kevin Zhou

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…

图像与视频处理 · 电气工程与系统科学 2022-08-31 Mostafa Mehdipour Ghazi , Mads Nielsen

Compressive sensing is an impressive approach for fast MRI. It aims at reconstructing MR image using only a few under-sampled data in k-space, enhancing the efficiency of the data acquisition. In this study, we propose to learn priors based…

图像与视频处理 · 电气工程与系统科学 2019-09-05 Siyuan Wang , Junjie Lv , Yuanyuan Hu , Dong Liang , Minghui Zhang , Qiegen Liu

The U-Net architecture, built upon the fully convolutional network, has proven to be effective in biomedical image segmentation. However, U-Net applies skip connections to merge semantically different low- and high-level convolutional…

图像与视频处理 · 电气工程与系统科学 2021-07-28 Hasib Zunair , A. Ben Hamza

Convolutional neural networks (CNNs) have recently achieved great success in single-image super-resolution (SISR). However, these methods tend to produce over-smoothed outputs and miss some textural details. To solve these problems, we…

计算机视觉与模式识别 · 计算机科学 2018-10-26 Zhisheng Zhong , Tiancheng Shen , Yibo Yang , Zhouchen Lin , Chao Zhang

Deep learning has been shown to produce state of the art results in many tasks in biomedical imaging, especially in segmentation. Moreover, segmentation of the cerebrovascular structure from magnetic resonance angiography is a challenging…

计算机视觉与模式识别 · 计算机科学 2018-12-06 Pedro Sanches , Cyril Meyer , Vincent Vigon , Benoît Naegel

We consider the problem of efficiently approximating and encoding high-dimensional data sampled from a probability distribution $\rho$ in $\mathbb{R}^D$, that is nearly supported on a $d$-dimensional set $\mathcal{M}$ - for example…

机器学习 · 统计学 2017-07-19 Wenjing Liao , Mauro Maggioni

Boundary detection of irregular and translucent objects is an important problem with applications in medical imaging, environmental monitoring and manufacturing, where many of these applications are plagued with scarce labeled data and low…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Fei Yu Guan , Ian Keefe , Sophie Wilkinson , Daniel D. B. Perrakis , Steven Waslander

When smartphone cameras are used to take photos of digital screens, usually moire patterns result, severely degrading photo quality. In this paper, we design a wavelet-based dual-branch network (WDNet) with a spatial attention mechanism for…

计算机视觉与模式识别 · 计算机科学 2020-07-20 Lin Liu , Jianzhuang Liu , Shanxin Yuan , Gregory Slabaugh , Ales Leonardis , Wengang Zhou , Qi Tian

This article presents a convolutional neural network for the automatic segmentation of brain tumors in multimodal 3D MR images based on a U-net architecture.We evaluate the use of a densely connected convolutional network encoder (DenseNet)…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Jean Stawiaski

Accurate detection and segmentation of anatomical structures from ultrasound images are crucial for clinical diagnosis and biometric measurements. Although ultrasound imaging has been widely used with superiorities such as low cost and…

计算机视觉与模式识别 · 计算机科学 2016-07-08 Hao Chen , Yefeng Zheng , Jin-Hyeong Park , Pheng-Ann Heng , S. Kevin Zhou

The main focus of this work is a novel framework for the joint reconstruction and segmentation of parallel MRI (PMRI) brain data. We introduce an image domain deep network for calibrationless recovery of undersampled PMRI data. The proposed…

图像与视频处理 · 电气工程与系统科学 2021-02-03 Aniket Pramanik , Mathews Jacob

We develop a new optimisation technique that combines multiresolution subdivision surfaces for boundary description with immersed finite elements for the discretisation of the primal and adjoint problems of optimisation. Similar to wavelets…

数值分析 · 数学 2016-01-20 Kosala Bandara , Thomas Rüberg , Fehmi Cirak

Brain image segmentation is used for visualizing and quantifying anatomical structures of the brain. We present an automated ap-proach using 2D deep residual dilated networks which captures rich context information of different tissues for…

计算机视觉与模式识别 · 计算机科学 2018-11-13 Hongwei Li , Andrii Zhygallo , Bjoern Menze

Accurate segmentation is crucial for clinical applications, but existing models often assume fixed, high-resolution inputs and degrade significantly when faced with lower-resolution data in real-world scenarios. To address this limitation,…

图像与视频处理 · 电气工程与系统科学 2025-07-22 Simon Winther Albertsen , Hjalte Svaneborg Bjørnstrup , Mostafa Mehdipour Ghazi

Deep unfolding networks have gained increasing attention in the field of compressed sensing (CS) owing to their theoretical interpretability and superior reconstruction performance. However, most existing deep unfolding methods often face…

图像与视频处理 · 电气工程与系统科学 2025-04-17 Kai Han , Jin Wang , Yunhui Shi , Hanqin Cai , Nam Ling , Baocai Yin