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Local image feature matching under large appearance, viewpoint, and distance changes is challenging yet important. Conventional methods detect and match tentative local features across the whole images, with heuristic consistency checks to…

Computer Vision and Pattern Recognition · Computer Science 2022-02-24 Ying Chen , Dihe Huang , Shang Xu , Jianlin Liu , Yong Liu

Standard registration algorithms need to be independently applied to each surface to register, following careful pre-processing and hand-tuning. Recently, learning-based approaches have emerged that reduce the registration of new scans to…

Computer Vision and Pattern Recognition · Computer Science 2021-03-11 Mehdi Bahri , Eimear O' Sullivan , Shunwang Gong , Feng Liu , Xiaoming Liu , Michael M. Bronstein , Stefanos Zafeiriou

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…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Xinke Ma , Yibo Yang , Yong Xia , Dacheng Tao

Transformer-based detectors have shown success in computer vision tasks with natural images. These models, exemplified by the Deformable DETR, are optimized through complex engineering strategies tailored to the typical characteristics of…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Yanqi Xu , Yiqiu Shen , Carlos Fernandez-Granda , Laura Heacock , Krzysztof J. Geras

Ultrasound imaging, as a noninvasive, real-time, and low-cost modality, plays a vital role in clinical diagnosis, catheterization intervention, and portable devices. With the development of transducer hardware and the continuous progress of…

Medical Physics · Physics 2025-07-22 Xuyang Chen , Mingtong Chen , Zhengbao Yang

Scanpath prediction in 360{\deg} images can help realize rapid rendering and better user interaction in Virtual/Augmented Reality applications. However, existing scanpath prediction models for 360{\deg} images execute scanpath prediction on…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Rong Quan , Yantao Lai , Mengyu Qiu , Dong Liang

Multimodal registration is a challenging problem in medical imaging due the high variability of tissue appearance under different imaging modalities. The crucial component here is the choice of the right similarity measure. We make a step…

Computer Vision and Pattern Recognition · Computer Science 2016-09-20 Martin Simonovsky , Benjamín Gutiérrez-Becker , Diana Mateus , Nassir Navab , Nikos Komodakis

Motion during image acquisition can cause image degradation in all medical imaging modalities. This is particularly relevant in 2-D ultrasound imaging, since out-of-plane motion can only be compensated for movements smaller than elevational…

Medical Physics · Physics 2019-02-07 S. Harput , K. Christensen-Jeffries , J. Brown , J. Zhu , G. Zhang , R. J. Eckersley , C. Dunsby , M-X. Tang

Radiation therapy presents a need for dynamic tracking of a target tumor volume. Fiducial markers such as implanted gold seeds have been used to gate radiation delivery but the markers are invasive and gating significantly increases…

Computer Vision and Pattern Recognition · Computer Science 2019-09-27 Markus D. Foote , Blake E. Zimmerman , Amit Sawant , Sarang Joshi

Image registration is a fundamental task in medical image analysis. Recently, deep learning based image registration methods have been extensively investigated due to their excellent performance despite the ultra-fast computational time.…

Computer Vision and Pattern Recognition · Computer Science 2020-08-14 Boah Kim , Dong Hwan Kim , Seong Ho Park , Jieun Kim , June-Goo Lee , Jong Chul Ye

Due to the computational complexity of self-attention (SA), prevalent techniques for image deblurring often resort to either adopting localized SA or employing coarse-grained global SA methods, both of which exhibit drawbacks such as…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Xintian Mao , Jiansheng Wang , Xingran Xie , Qingli Li , Yan Wang

In medical imaging, most of the image registration methods implicitly assume a one-to-one correspondence between the source and target images (i.e., diffeomorphism). However, this is not necessarily the case when dealing with pathological…

Image and Video Processing · Electrical Eng. & Systems 2022-02-03 Matthis Maillard , Anton François , Joan Glaunès , Isabelle Bloch , Pietro Gori

In image-guided liver surgery, 3D-3D non-rigid registration methods play a crucial role in estimating the mapping between the preoperative model and the intraoperative surface represented as point clouds, addressing the challenge of tissue…

Image and Video Processing · Electrical Eng. & Systems 2025-03-18 Zixin Yang , Richard Simon , Kelly Merrell , Cristian. A. Linte

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…

Image and Video Processing · Electrical Eng. & Systems 2024-12-11 Gurucharan Marthi Krishna Kumar , Janine Mendola , Amir Shmuel

We propose a straightforward method that simultaneously reconstructs the 3D facial structure and provides dense alignment. To achieve this, we design a 2D representation called UV position map which records the 3D shape of a complete face…

Computer Vision and Pattern Recognition · Computer Science 2018-03-22 Yao Feng , Fan Wu , Xiaohu Shao , Yanfeng Wang , Xi Zhou

Three-dimensional ultrasound imaging is a critical technology widely used in medical diagnostics. However, traditional 3D ultrasound imaging methods have limitations such as fixed resolution, low storage efficiency, and insufficient…

Artificial Intelligence · Computer Science 2024-09-16 Ziwen Guo , Zi Fang , Zhuang Fu

Background and objective: High-resolution radiographic images play a pivotal role in the early diagnosis and treatment of skeletal muscle-related diseases. It is promising to enhance image quality by introducing single-image…

Image and Video Processing · Electrical Eng. & Systems 2023-12-29 Yongsong Huang , Tomo Miyazaki , Xiaofeng Liu , Kaiyuan Jiang , Zhengmi Tang , Shinichiro Omachi

Purpose: Prenatal ultrasound is a key tool in evaluating fetal structural development and detecting abnormalities, contributing to reduced perinatal complications and improved neonatal survival. Accurate identification of standard fetal…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Shengjun Zhu , Siyu Liu , Runqing Xiong , Liping Zheng , Duo Ma , Rongshang Chen , Jiaxin Cai

Joint image registration and segmentation has long been an active area of research in medical imaging. Here, we reformulate this problem in a deep learning setting using adversarial learning. We consider the case in which fixed and moving…

Image and Video Processing · Electrical Eng. & Systems 2019-07-01 Mohamed S. Elmahdy , Jelmer M. Wolterink , Hessam Sokooti , Ivana Išgum , Marius Staring

Image Matching is a core component of all best-performing algorithms and pipelines in 3D vision. Yet despite matching being fundamentally a 3D problem, intrinsically linked to camera pose and scene geometry, it is typically treated as a 2D…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Vincent Leroy , Yohann Cabon , Jérôme Revaud
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