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Deep learning has shown great potential in accelerating diffusion tensor imaging (DTI). Nevertheless, existing methods tend to suffer from Rician noise and detail loss in reconstructing the DTI-derived parametric maps especially when…

计算机视觉与模式识别 · 计算机科学 2024-01-04 Wenxin Fan , Jian Cheng , Cheng Li , Xinrui Ma , Jing Yang , Juan Zou , Ruoyou Wu , Qiegen Liu , Shanshan Wang

This paper aims to create a deep learning framework that can estimate the deformation vector field (DVF) for directly registering abdominal MRI-CT images. The proposed method assumed a diffeomorphic deformation. By using topology-preserved…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Yang Lei , Luke A. Matkovic , Justin Roper , Tonghe Wang , Jun Zhou , Beth Ghavidel , Mark McDonald , Pretesh Patel , Xiaofeng Yang

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

The knowledge of potentially druggable binding sites on proteins is an important preliminary step towards the discovery of novel drugs. The computational prediction of such areas can be boosted by following the recent major advances in the…

生物大分子 · 定量生物学 2021-02-17 Stelios K. Mylonas , Apostolos Axenopoulos , Petros Daras

Deformable image registration is able to achieve fast and accurate alignment between a pair of images and thus plays an important role in many medical image studies. The current deep learning (DL)-based image registration approaches…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Xinke Ma , Yibo Yang , Yong Xia , Dacheng Tao

In recent years, learning-based image registration methods have gradually moved away from direct supervision with target warps to instead use self-supervision, with excellent results in several registration benchmarks. These approaches…

计算机视觉与模式识别 · 计算机科学 2022-05-17 Sean I. Young , Yaël Balbastre , Adrian V. Dalca , William M. Wells , Juan Eugenio Iglesias , Bruce Fischl

We propose a fluid-based registration framework of medical images based on implicit neural representation. By integrating implicit neural representation and Large Deformable Diffeomorphic Metric Mapping (LDDMM), we employ a Multilayer…

图像与视频处理 · 电气工程与系统科学 2023-11-28 Chulong Zhang , Xiaokun Liang

Recent works in medical image registration have proposed the use of Implicit Neural Representations, demonstrating performance that rivals state-of-the-art learning-based methods. However, these implicit representations need to be optimized…

图像与视频处理 · 电气工程与系统科学 2023-10-04 Louis D. van Harten , Jaap Stoker , Ivana Išgum

Deformable registration consists of finding the best dense correspondence between two different images. Many algorithms have been published, but the clinical application was made difficult by the high calculation time needed to solve the…

计算机视觉与模式识别 · 计算机科学 2021-11-25 Théo Estienne , Maria Vakalopoulou , Enzo Battistella , Theophraste Henry , Marvin Lerousseau , Amaury Leroy , Nikos Paragios , Eric Deutsch

We propose a very fast and effective one-step restoring method for blurry face images. In the last decades, many blind deblurring algorithms have been proposed to restore latent sharp images. However, these algorithms run slowly because of…

计算机视觉与模式识别 · 计算机科学 2017-11-28 Lingxiao Wang , Yali Li , Shengjin Wang

Deformable image registration plays an essential role in various medical image tasks. Existing deep learning-based deformable registration frameworks primarily utilize convolutional neural networks (CNNs) or Transformers to learn features…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Jiong Wu , Kuang Gong

Accurate deformable 4-dimensional (4D) (3-dimensional in space and time) medical images registration is essential in a variety of medical applications. Deep learning-based methods have recently gained popularity in this area for the…

图像与视频处理 · 电气工程与系统科学 2021-01-15 Yunlu Zhang , Xue Wu , H. Michael Gach , Harold Li , Deshan Yang

Images taken at different times or positions undergo transformations such as rotation, scaling, skewing, and more. The process of aligning different images which have undergone transformations can be done via registration. Registration is…

图像与视频处理 · 电气工程与系统科学 2021-04-27 Eduard F. Durech

We propose a deformable registration algorithm based on unsupervised learning of a low-dimensional probabilistic parameterization of deformations. We model registration in a probabilistic and generative fashion, by applying a conditional…

计算机视觉与模式识别 · 计算机科学 2018-07-23 Julian Krebs , Tommaso Mansi , Boris Mailhé , Nicholas Ayache , Hervé Delingette

Diffeomorphic image registration is crucial for various medical imaging applications because it can preserve the topology of the transformation. This study introduces DCCNN-LSTM-Reg, a learning framework that evolves dynamically and learns…

图像与视频处理 · 电气工程与系统科学 2024-11-06 Jinqiu Deng , Ke Chen , Mingke Li , Daoping Zhang , Chong Chen , Alejandro F. Frangi , Jianping Zhang

Deep learning has emerged as a promising approach for learning the nonlinear mapping between diffusion-weighted MR images and tissue parameters, which enables automatic and deep understanding of the brain microstructures. However, the…

计算机视觉与模式识别 · 计算机科学 2025-05-21 Wenxin Fan , Jian Cheng , Qiyuan Tian , Ruoyou Wu , Juan Zou , Zan Chen , Shanshan Wang

We introduce HyperMorph, a framework that facilitates efficient hyperparameter tuning in learning-based deformable image registration. Classical registration algorithms perform an iterative pair-wise optimization to compute a deformation…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Andrew Hoopes , Malte Hoffmann , Douglas N. Greve , Bruce Fischl , John Guttag , Adrian V. Dalca

Deterministic approaches using iterative optimisation have been historically successful in diffeomorphic image registration (DiffIR). Although these approaches are highly accurate, they typically carry a significant computational burden.…

Deep learning based deformable registration methods have become popular in recent years. However, their ability to generalize beyond training data distribution can be poor, significantly hindering their usability. LUMIR brain registration…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Joel Honkamaa , Pekka Marttinen

Deep learning (DL) image registration methods amortize the costly pair-wise iterative optimization by training deep neural networks to predict the optimal transformation in one fast forward-pass. In this work, we bridge the gap between…

图像与视频处理 · 电气工程与系统科学 2022-09-13 Huaqi Qiu , Kerstin Hammernik , Chen Qin , Chen Chen , Daniel Rueckert