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In "extreme" computational imaging that collects extremely undersampled or noisy measurements, obtaining an accurate image within a reasonable computing time is challenging. Incorporating image mapping convolutional neural networks (CNN)…

机器学习 · 统计学 2023-08-31 Il Yong Chun , Jeffrey A. Fessler

Diffeomorphic image registration is a fundamental step in medical image analysis, owing to its capability to ensure the invertibility of transformations and preservation of topology. Currently, unsupervised learning-based registration…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Jiong Wu , Shuang Zhou , Li Lin , Xin Wang , Wenxue Tan

In this paper, we introduce a novel deep-learning method to align cross-spectral images. Our approach relies on a learned descriptor which is invariant to different spectra. Multi-modal images of the same scene capture different signals and…

计算机视觉与模式识别 · 计算机科学 2021-10-06 Nati Ofir , Shai Silberstein , Hila Levi , Dani Rozenbaum , Yosi Keller , Sharon Duvdevani Bar

Deep learning-based image registration approaches have shown competitive performance and run-time advantages compared to conventional image registration methods. However, existing learning-based approaches mostly require to train separate…

图像与视频处理 · 电气工程与系统科学 2023-03-21 Yinsong Wang , Huaqi Qiu , Chen Qin

To improve the compressive sensing MRI (CS-MRI) approaches in terms of fine structure loss under high acceleration factors, we have proposed an iterative feature refinement model (IFR-CS), equipped with fixed transforms, to restore the…

机器学习 · 计算机科学 2019-09-26 Yiling Liu , Qiegen Liu , Minghui Zhang , Qingxin Yang , Shanshan Wang , Dong Liang

Deformable image registration between Computed Tomography (CT) images and Magnetic Resonance (MR) imaging is essential for many image-guided therapies. In this paper, we propose a novel translation-based unsupervised deformable image…

图像与视频处理 · 电气工程与系统科学 2020-09-22 Zhe Xu , Jie Luo , Jiangpeng Yan , Ritvik Pulya , Xiu Li , William Wells , Jayender Jagadeesan

Deformable image registration (DIR), aiming to find spatial correspondence between images, is one of the most critical problems in the domain of medical image analysis. In this paper, we present a novel, generic, and accurate diffeomorphic…

计算机视觉与模式识别 · 计算机科学 2023-02-08 Yifan Wu , Tom Z. Jiahao , Jiancong Wang , Paul A. Yushkevich , M. Ani Hsieh , James C. Gee

Deformable image registration is crucial for aligning medical images in a nonlinear fashion across different modalities, allowing for precise spatial correspondence between varying anatomical structures. This paper presents NestedMorph, a…

图像与视频处理 · 电气工程与系统科学 2024-12-11 Gurucharan Marthi Krishna Kumar , Janine Mendola , Amir Shmuel

Deep learning, e.g., convolutional neural networks (CNNs), has achieved great success in image processing and computer vision especially in high level vision applications such as recognition and understanding. However, it is rarely used to…

计算机视觉与模式识别 · 计算机科学 2017-08-03 Feng Jiang , Wen Tao , Shaohui Liu , Jie Ren , Xun Guo , Debin Zhao

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

Deformable image registration can obtain dynamic information about images, which is of great significance in medical image analysis. The unsupervised deep learning registration method can quickly achieve high registration accuracy without…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Xiao Fan , Shuxin Zhuang , Zhemin Zhuang , Ye Yuan , Shunmin Qiu , Alex Noel Joseph Raj , Yibiao Rong

Parametric spatial transformation models have been successfully applied to image registration tasks. In such models, the transformation of interest is parameterized by a fixed set of basis functions as for example B-splines. Each basis…

计算机视觉与模式识别 · 计算机科学 2019-06-25 Robin Sandkühler , Simon Andermatt , Grzegorz Bauman , Sylvia Nyilas , Christoph Jud , Philippe C. Cattin

Background and Objective: In neurosurgery, fusing clinical images and depth images that can improve the information and details is beneficial to surgery. We found that the registration of face depth images was invalid frequently using…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Pengfei Li , Ziyue Ma , Hong Wang , Juan Deng , Yan Wang , Zhenyu Xu , Feng Yan , Wenjun Tu , Hong Sha

Deformable image registration (DIR) is an active research topic in biomedical imaging. There is a growing interest in developing DIR methods based on deep learning (DL). A traditional DL approach to DIR is based on training a convolutional…

图像与视频处理 · 电气工程与系统科学 2024-03-20 Junhao Hu , Weijie Gan , Zhixin Sun , Hongyu An , Ulugbek S. Kamilov

Image registration aims to establish spatial correspondence across pairs, or groups of images, and is a cornerstone of medical image computing and computer-assisted-interventions. Currently, most deep learning-based registration methods…

图像与视频处理 · 电气工程与系统科学 2021-07-12 Xiang Chen , Nishant Ravikumar , Yan Xia , Alejandro F Frangi

Humans can robustly learn novel visual concepts even when images undergo various deformations and lose certain information. Mimicking the same behavior and synthesizing deformed instances of new concepts may help visual recognition systems…

计算机视觉与模式识别 · 计算机科学 2019-07-19 Zitian Chen , Yanwei Fu , Yu-Xiong Wang , Lin Ma , Wei Liu , Martial Hebert

Multi-modality image registration is one of the most underlined processes in medical image analysis. Recently, convolutional neural networks (CNNs) have shown significant potential in deformable registration. However, the lack of voxel-wise…

计算机视觉与模式识别 · 计算机科学 2020-02-06 Yechong Huang , Tao Song , Jiahang Xu , Yinan Chen , Xiahai Zhuang

Recent deep learning-based methods have shown promising results and runtime advantages in deformable image registration. However, analyzing the effects of hyperparameters and searching for optimal regularization parameters prove to be too…

计算机视觉与模式识别 · 计算机科学 2021-07-06 Tony C. W. Mok , Albert C. S. Chung

In this paper, we propose a novel approach to solve the 3D non-rigid registration problem from RGB images using Convolutional Neural Networks (CNNs). Our objective is to find a deformation field (typically used for transferring knowledge…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Diego Rodriguez , Florian Huber , Sven Behnke

Deformable image registration plays a fundamental role in medical image analysis by enabling spatial alignment of anatomical structures across subjects. While recent deep learning-based approaches have significantly improved computational…

图像与视频处理 · 电气工程与系统科学 2026-03-24 Jiaqi Shang , Haojin Wu , Yinyi Lai , Zongyu Li , Chenghao Zhang , Jia Guo