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Deep neural networks have become a foundational tool for addressing imaging inverse problems. They are typically trained for a specific task, with a supervised loss to learn a mapping from the observations to the image to recover. However,…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Matthieu Terris , Thomas Moreau

Affine image registration is a cornerstone of medical image analysis. While classical algorithms can achieve excellent accuracy, they solve a time-consuming optimization for every image pair. Deep-learning (DL) methods learn a function that…

图像与视频处理 · 电气工程与系统科学 2024-07-15 Malte Hoffmann , Andrew Hoopes , Douglas N. Greve , Bruce Fischl , Adrian V. Dalca

Brain image registration transforms a pair of images into one system with the matched imaging contents, which is of essential importance for brain image analysis. This paper presents a novel framework for unsupervised 3D brain image…

计算机视觉与模式识别 · 计算机科学 2019-07-04 Lihao Liu , Xiaowei Hu , Lei Zhu , Pheng-Ann Heng

Bayesian deep learning (BDL) is a promising approach to achieve well-calibrated predictions on distribution-shifted data. Nevertheless, there exists no large-scale survey that evaluates recent SOTA methods on diverse, realistic, and…

机器学习 · 计算机科学 2023-10-26 Florian Seligmann , Philipp Becker , Michael Volpp , Gerhard Neumann

Domain invariant learning aims to learn models that extract invariant features over various training domains, resulting in better generalization to unseen target domains. Recently, Bayesian Neural Networks have achieved promising results in…

机器学习 · 计算机科学 2023-10-26 Shiyu Shen , Bin Pan , Tianyang Shi , Tao Li , Zhenwei Shi

In this paper, we propose multi-stage and deformable deep convolutional neural networks for object detection. This new deep learning object detection diagram has innovations in multiple aspects. In the proposed new deep architecture, a new…

Deep kernel learning (DKL) and related techniques aim to combine the representational power of neural networks with the reliable uncertainty estimates of Gaussian processes. One crucial aspect of these models is an expectation that, because…

机器学习 · 统计学 2021-07-08 Sebastian W. Ober , Carl E. Rasmussen , Mark van der Wilk

Modelling the behaviour of highly nonlinear dynamical systems with robust uncertainty quantification is a challenging task which typically requires approaches specifically designed to address the problem at hand. We introduce a…

机器学习 · 统计学 2024-01-25 Thomas Baldwin-McDonald , Mauricio A. Álvarez

The data consistency for the physical forward model is crucial in inverse problems, especially in MR imaging reconstruction. The standard way is to unroll an iterative algorithm into a neural network with a forward model embedded. The…

图像与视频处理 · 电气工程与系统科学 2023-06-28 Guanxiong Luo , Mengmeng Kuang , Peng Cao

Recent advances in data-centric deep generative models have led to significant progress in solving inverse imaging problems. However, these models (e.g., diffusion models (DMs)) typically require large amounts of fully sampled (clean)…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Shijun Liang , Ismail R. Alkhouri , Siddhant Gautam , Qing Qu , Saiprasad Ravishankar

Purpose: This study aims to explore training strategies to improve convolutional neural network-based image-to-image deformable registration for abdominal imaging. Methods: Different training strategies, loss functions, and transfer…

We propose a novel unsupervised out-of-distribution detection method for medical images based on implicit fields image representations. In our approach, an auto-decoder feed-forward neural network learns the distribution of healthy images…

图像与视频处理 · 电气工程与系统科学 2021-06-10 Sergio Naval Marimont , Giacomo Tarroni

The problem of unsupervised learning and segmentation of hyperspectral images is a significant challenge in remote sensing. The high dimensionality of hyperspectral data, presence of substantial noise, and overlap of classes all contribute…

计算机视觉与模式识别 · 计算机科学 2018-10-17 James M. Murphy , Mauro Maggioni

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

Deep learning (DL) models for segmenting various anatomical structures have achieved great success via a static DL model that is trained in a single source domain. Yet, the static DL model is likely to perform poorly in a continually…

计算机视觉与模式识别 · 计算机科学 2023-06-01 Xiaofeng Liu , Helen A. Shih , Fangxu Xing , Emiliano Santarnecchi , Georges El Fakhri , Jonghye Woo

The deep convolutional neural network has achieved significant progress for single image rain streak removal. However, most of the data-driven learning methods are full-supervised or semi-supervised, unexpectedly suffering from significant…

计算机视觉与模式识别 · 计算机科学 2022-03-28 Changfeng Yu , Yi Chang , Yi Li , Xile Zhao , Luxin Yan

Modeling statistics of image priors is useful for image super-resolution, but little attention has been paid from the massive works of deep learning-based methods. In this work, we propose a Bayesian image restoration framework, where…

图像与视频处理 · 电气工程与系统科学 2022-04-05 Shangqi Gao , Xiahai Zhuang

CBCTs in image-guided radiotherapy provide crucial anatomy information for patient setup and plan evaluation. Longitudinal CBCT image registration could quantify the inter-fractional anatomic changes. The purpose of this study is to propose…

图像与视频处理 · 电气工程与系统科学 2023-04-26 Huiqiao Xie , Yang Lei , Yabo Fu , Tonghe Wang , Justin Roper , Jeffrey D. Bradley , Pretesh Patel , Tian Liu , Xiaofeng Yang

We present a model for non-blind image deconvolution that incorporates the classic iterative method into a deep learning application. Instead of using large over-parameterised generative networks to create sharp picture representations, we…

图像与视频处理 · 电气工程与系统科学 2022-10-03 Tomas Chobola , Anton Theileis , Jan Taucher , Tingying Peng

Inverse problems for accelerated MRI typically incorporate domain-specific knowledge about the forward encoding operator in a regularized reconstruction framework. Recently physics-driven deep learning (DL) methods have been proposed to use…

图像与视频处理 · 电气工程与系统科学 2020-07-09 Seyed Amir Hossein Hosseini , Burhaneddin Yaman , Steen Moeller , Mingyi Hong , Mehmet Akçakaya
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