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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

Heterogeneous Face Recognition (HFR) refers to matching face images captured in different domains, such as thermal to visible images (VIS), sketches to visible images, near-infrared to visible, and so on. This is particularly useful in…

计算机视觉与模式识别 · 计算机科学 2022-10-14 Anjith George , Amir Mohammadi , Sebastien Marcel

Typically, a medical image offers spatial information on the anatomy (and pathology) modulated by imaging specific characteristics. Many imaging modalities including Magnetic Resonance Imaging (MRI) and Computed Tomography (CT) can be…

计算机视觉与模式识别 · 计算机科学 2020-04-21 Agisilaos Chartsias , Thomas Joyce , Giorgos Papanastasiou , Michelle Williams , David Newby , Rohan Dharmakumar , Sotirios A. Tsaftaris

We present a parallel distributed-memory algorithm for large deformation diffeomorphic registration of volumetric images that produces large isochoric deformations (locally volume preserving). Image registration is a key technology in…

分布式、并行与集群计算 · 计算机科学 2020-12-25 Andreas Mang , Amir Gholami , George Biros

Dual-energy computed tomography (DECT) has shown great potential and promising applications in advanced imaging fields for its capabilities of material decomposition. However, image reconstructions and decompositions under sparse views…

医学物理 · 物理学 2016-08-01 Lei Li , Ailong Cai , Linyuan Wang , Bin Yan , Hanming Zhang , Zhizhong Zheng , Wenkun Zhang , Wanli Lu , Guoen Hu

In videos containing spoofed faces, we may uncover the spoofing evidence based on either photometric or dynamic abnormality, even a combination of both. Prevailing face anti-spoofing (FAS) approaches generally concentrate on the…

计算机视觉与模式识别 · 计算机科学 2025-02-25 Jingyi Yang , Zitong Yu , Xiuming Ni , Jia He , Hui Li

The advent of deep-learning-based registration networks has addressed the time-consuming challenge in traditional iterative methods.However, the potential of current registration networks for comprehensively capturing spatial relationships…

计算机视觉与模式识别 · 计算机科学 2024-02-15 Zhuoyuan Wang , Haiqiao Wang , Yi Wang

Identifying robust and accurate correspondences across images is a fundamental problem in computer vision that enables various downstream tasks. Recent semi-dense matching methods emphasize the effectiveness of fusing relevant cross-view…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Hongkai Chen , Zixin Luo , Yurun Tian , Xuyang Bai , Ziyu Wang , Lei Zhou , Mingmin Zhen , Tian Fang , David McKinnon , Yanghai Tsin , Long Quan

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

Reconstructing the 3D shape of a deformable environment from the information captured by a moving depth camera is highly relevant to surgery. The underlying challenge is the fact that simultaneously estimating camera motion and tissue…

计算机视觉与模式识别 · 计算机科学 2024-08-09 Guido Caccianiga , Julian Nubert , Cesar Cadena , Marco Hutter , Katherine J. Kuchenbecker

Most existing transformer based video instance segmentation methods extract per frame features independently, hence it is challenging to solve the appearance deformation problem. In this paper, we observe the temporal information is…

计算机视觉与模式识别 · 计算机科学 2023-01-24 Zhenghao Zhang , Fangtao Shao , Zuozhuo Dai , Siyu Zhu

Detecting breast lesion in videos is crucial for computer-aided diagnosis. Existing video-based breast lesion detection approaches typically perform temporal feature aggregation of deep backbone features based on the self-attention…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Chao Qin , Jiale Cao , Huazhu Fu , Rao Muhammad Anwer , Fahad Shahbaz Khan

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

Deep learning based methods provide efficient solutions to medical image registration, including the challenging problem of diffeomorphic image registration. However, most methods register normal image pairs, facing difficulty handling…

图像与视频处理 · 电气工程与系统科学 2023-03-17 Ankita Joshi , Yi Hong

Breast ultrasound imaging is a valuable tool for early breast cancer detection, but automated tumor segmentation is challenging due to inherent noise, variations in scale of lesions, and fuzzy boundaries. To address these challenges, we…

图像与视频处理 · 电气工程与系统科学 2025-06-23 Muhammad Azeem Aslam , Asim Naveed , Nisar Ahmed

Enhancing the domain generalization performance of Face Anti-Spoofing (FAS) techniques has emerged as a research focus. Existing methods are dedicated to extracting domain-invariant features from various training domains. Despite the…

计算机视觉与模式识别 · 计算机科学 2024-01-31 Lianrui Mu , Jianhong Bai , Xiaoxuan He , Jiangnan Ye , Xiaoyu Liang , Yuchen Yang , Jiedong Zhuang , Haoji Hu

Forensic analysis of manipulated pixels requires the identification of various hidden and subtle features from images. Conventional image recognition models generally fail at this task because they are biased and more attentive toward the…

计算机视觉与模式识别 · 计算机科学 2022-04-11 Sowmen Das , Md. Saiful Islam , Md. Ruhul Amin

Transformers have recently emerged as a significant force in the field of image deraining. Existing image deraining methods utilize extensive research on self-attention. Though showcasing impressive results, they tend to neglect critical…

计算机视觉与模式识别 · 计算机科学 2024-02-08 Yuhong He , Aiwen Jiang , Lingfang Jiang , Zhifeng Wang , Lu Wang

A primary interest in dynamic inverse problems is to identify the underlying temporal behaviour of the system from outside measurements. In this work we consider the case, where the target can be represented by a decomposition of spatial…

数值分析 · 数学 2020-06-09 Simon Arridge , Pascal Fernsel , Andreas Hauptmann

We propose a fully unsupervised multi-modal deformable image registration method (UMDIR), which does not require any ground truth deformation fields or any aligned multi-modal image pairs during training. Multi-modal registration is a key…

计算机视觉与模式识别 · 计算机科学 2019-03-25 Chen Qin , Bibo Shi , Rui Liao , Tommaso Mansi , Daniel Rueckert , Ali Kamen