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Learning-based medical image registration has matched the accuracy of conventional methods while offering superior computational efficiency. However, existing approaches suffer from poor generalization across diverse clinical scenarios,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-25 Zi Li , Jianpeng Zhang , Tai Ma , Tony C. W. Mok , Yan-Jie Zhou , Zeli Chen , Xianghua Ye , Le Lu , Cheng Chen , Dakai Jin

We propose a novel real-time LiDAR intensity image-based simultaneous localization and mapping method , which addresses the geometry degeneracy problem in unstructured environments. Traditional LiDAR-based front-end odometry mostly relies…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Wenqiang Du , Giovanni Beltrame

Histological analysis plays a crucial role in understanding tissue structure and pathology. While recent advancements in registration methods have improved 2D histological analysis, they often struggle to preserve critical 3D spatial…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Juming Xiong , Ruining Deng , Jialin Yue , Siqi Lu , Junlin Guo , Marilyn Lionts , Tianyuan Yao , Can Cui , Junchao Zhu , Chongyu Qu , Mengmeng Yin , Haichun Yang , Yuankai Huo

Deformable image registration across heterogeneous domains remains challenging because coupled appearance variation and geometric misalignment violate the brightness constancy assumption underlying conventional methods. We propose…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Jiahao Qin

Point cloud registration is a fundamental problem in computer vision that aims to estimate the transformation between corresponding sets of points. Non-rigid registration, in particular, involves addressing challenges including various…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Sara Monji-Azad , Marvin Kinz , Jürgen Hesser

Existing object detection models are mainly trained on large-scale labeled datasets. However, annotating data for novel aerial object classes is expensive since it is time-consuming and may require expert knowledge. Thus, it is desirable to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-04 Zhengqing Zang , Chenyu Lin , Chenwei Tang , Tao Wang , Jiancheng Lv

Deformable image registration (alignment) is highly sought after in numerous clinical applications, such as computer aided diagnosis and disease progression analysis. Deep Convolutional Neural Network (DCNN)-based image registration methods…

Image and Video Processing · Electrical Eng. & Systems 2024-05-17 Ruizhe Li , Grazziela Figueredo , Dorothee Auer , Christian Wagner , Xin Chen

Cross-modal data registration has long been a critical task in computer vision, with extensive applications in autonomous driving and robotics. Accurate and robust registration methods are essential for aligning data from different…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Yuanchao Yue , Hui Yuan , Qinglong Miao , Xiaolong Mao , Raouf Hamzaoui , Peter Eisert

LiDAR sensors are a key modality for 3D perception, yet they are typically designed independently of downstream tasks such as point cloud registration. Conventional registration operates on pre-acquired datasets with fixed LiDAR…

Computer Vision and Pattern Recognition · Computer Science 2026-02-12 Siddhant Katyan , Marc-André Gardner , Jean-François Lalonde

Point cloud registration is a fundamental problem in 3D scanning. In this paper, we address the frequent special case of registering terrestrial LiDAR scans (or, more generally, levelled point clouds). Many current solutions still rely on…

Computer Vision and Pattern Recognition · Computer Science 2018-12-03 Zhipeng Cai , Tat-Jun Chin , Alvaro Parra Bustos , Konrad Schindler

Studies on rapid change detection of large area urgently need to be extended from 2D image to digital elevation model (DEM) due to the challenge of changes caused by disasters. This research investigates positional uncertainty of digital…

Geophysics · Physics 2022-06-03 Chang Li , Qi Meng , Dong Wei , Wenzhong Shi , Ming Hao

Point-pixel registration between LiDAR point clouds and camera images is a fundamental yet challenging task in autonomous driving and robotic perception. A key difficulty lies in the modality gap between unstructured point clouds and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Yu Han , Zhiwei Huang , Yanting Zhang , Fangjun Ding , Shen Cai , Rui Fan

Place recognition is essential for achieving closed-loop or global positioning in autonomous vehicles and mobile robots. Despite recent advancements in place recognition using 2D cameras or 3D LiDAR, it remains to be seen how to use 4D…

Robotics · Computer Science 2025-04-08 Shouyi Lu , Guirong Zhuo , Haitao Wang , Quan Zhou , Huanyu Zhou , Renbo Huang , Minqing Huang , Lianqing Zheng , Qiang Shu

Point cloud registration is fundamental in 3D vision applications, including autonomous driving, robotics, and medical imaging, where precise alignment of multiple point clouds is essential for accurate environment reconstruction. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Yongqiang Wang , Weigang Li , Wenping Liu , Zhiqiang Tian , Jinling Li

AI-generated image detectors suffer significant performance degradation under real-world image corruptions such as JPEG compression, Gaussian blur, and resolution downsampling. We observe that state-of-the-art methods, including B-Free,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Zongyou Yang , Yinghan Hou , Xiaokun Yang

State-of-the-art 3D point cloud registration methods rely on labeled 3D datasets for training, which limits their practical applications in real-world scenarios and often hinders generalization to unseen scenes. Leveraging the zero-shot…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Weijie Wang , Wenqi Ren , Guofeng Mei , Bin Ren , Xiaoshui Huang , Fabio Poiesi , Nicu Sebe , Bruno Lepri

Point cloud registration (PCR) is an essential task in 3D vision. Existing methods achieve increasingly higher accuracy. However, a large proportion of non-overlapping points in point cloud registration consume a lot of computational…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Yang Ai , Qiang Bai , Jindong Li , Xi Yang

Relocalization, the process of re-establishing a robot's position within an environment, is crucial for ensuring accurate navigation and task execution when external positioning information, such as GPS, is unavailable or has been lost.…

Robotics · Computer Science 2025-04-11 David Akhihiero , Jason N. Gross

Cortical surface registration is a fundamental tool for neuroimaging analysis that has been shown to improve the alignment of functional regions relative to volumetric approaches. Classically, image registration is performed by optimizing a…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Mohamed A. Suliman , Logan Z. J. Williams , Abdulah Fawaz , Emma C. Robinson

Many registration problems are ill-posed in homogeneous or noisy regions, and dense voxel-wise decoders can be unnecessarily high-dimensional. A sparse control-point parameterisation provides a compact, smooth deformation representation…

Image and Video Processing · Electrical Eng. & Systems 2026-03-19 Wen Yan , Qianye Yang , Yipei Wang , Shonit Punwani , Mark Emberton , Vasilis Stavrinides , Yipeng Hu , Dean Barratt