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Automotive perception systems are obligated to meet high requirements. While optical sensors such as Camera and Lidar struggle in adverse weather conditions, Radar provides a more robust perception performance, effectively penetrating fog,…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Christof Leitgeb , Thomas Puchleitner , Max Peter Ronecker , Daniel Watzenig

Most of the deep learning based medical image registration algorithms focus on brain image registration tasks.Compared with brain registration, the chest CT registration has larger deformation, more complex background and region over-lap.…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Cheng Wang , Qiyu Gao , Fandong Zhang , Shu Zhang , Yizhou Yu

Point cloud registration is a fundamental problem in many domains. Practically, the overlap between point clouds to be registered may be relatively small. Most unsupervised methods lack effective initial evaluation of overlap, leading to…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Pengcheng Shi , Jie Zhang , Haozhe Cheng , Junyang Wang , Yiyang Zhou , Chenlin Zhao , Jihua Zhu

We propose a simple, yet effective approach for spatiotemporal feature learning using deep 3-dimensional convolutional networks (3D ConvNets) trained on a large scale supervised video dataset. Our findings are three-fold: 1) 3D ConvNets are…

计算机视觉与模式识别 · 计算机科学 2015-10-08 Du Tran , Lubomir Bourdev , Rob Fergus , Lorenzo Torresani , Manohar Paluri

The estimation of 3D face shape from a single image must be robust to variations in lighting, head pose, expression, facial hair, makeup, and occlusions. Robustness requires a large training set of in-the-wild images, which by construction,…

计算机视觉与模式识别 · 计算机科学 2019-05-17 Soubhik Sanyal , Timo Bolkart , Haiwen Feng , Michael J. Black

Traditional deformable registration techniques achieve impressive results and offer a rigorous theoretical treatment, but are computationally intensive since they solve an optimization problem for each image pair. Recently, learning-based…

计算机视觉与模式识别 · 计算机科学 2019-03-15 Adrian V. Dalca , Guha Balakrishnan , John Guttag , Mert R. Sabuncu

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…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Yang Ai , Qiang Bai , Jindong Li , Xi Yang

Retrieving occlusion relation among objects in a single image is challenging due to sparsity of boundaries in image. We observe two key issues in existing works: firstly, lack of an architecture which can exploit the limited amount of…

计算机视觉与模式识别 · 计算机科学 2021-08-19 Panhe Feng , Qi She , Lei Zhu , Jiaxin Li , Lin Zhang , Zijian Feng , Changhu Wang , Chunpeng Li , Xuejing Kang , Anlong Ming

The ability to adapt medical image segmentation networks for a novel class such as an unseen anatomical or pathological structure, when only a few labelled examples of this class are available from local healthcare providers, is…

图像与视频处理 · 电气工程与系统科学 2022-01-19 Yiwen Li , Yunguan Fu , Qianye Yang , Zhe Min , Wen Yan , Henkjan Huisman , Dean Barratt , Victor Adrian Prisacariu , Yipeng Hu

We propose a neural network architecture, called TransNet, that combines planning and model learning for solving Partially Observable Markov Decision Processes (POMDPs) with non-uniform system dynamics. The past decade has seen a…

机器人学 · 计算机科学 2019-07-11 Nicholas Collins , Hanna Kurniawati

We present a novel multilevel approach for deep learning based image registration. Recently published deep learning based registration methods have shown promising results for a wide range of tasks. However, these algorithms are still…

计算机视觉与模式识别 · 计算机科学 2020-10-28 Alessa Hering , Bram van Ginneken , Stefan Heldmann

In this paper, we propose a novel learning-based pipeline for partially overlapping 3D point cloud registration. The proposed model includes an iterative distance-aware similarity matrix convolution module to incorporate information from…

计算机视觉与模式识别 · 计算机科学 2020-08-07 Jiahao Li , Changhao Zhang , Ziyao Xu , Hangning Zhou , Chi Zhang

Deformable registration is a crucial step in many medical procedures such as image-guided surgery and radiation therapy. Most recent learning-based methods focus on improving the accuracy by optimizing the non-linear spatial correspondence…

图像与视频处理 · 电气工程与系统科学 2021-10-05 Minh Q. Tran , Tuong Do , Huy Tran , Erman Tjiputra , Quang D. Tran , Anh Nguyen

Extracting robust and general 3D local features is key to downstream tasks such as point cloud registration and reconstruction. Existing learning-based local descriptors are either sensitive to rotation transformations, or rely on classical…

计算机视觉与模式识别 · 计算机科学 2021-04-12 Sheng Ao , Qingyong Hu , Bo Yang , Andrew Markham , Yulan Guo

Deep learning approaches to 3D shape segmentation are typically formulated as a multi-class labeling problem. Existing models are trained for a fixed set of labels, which greatly limits their flexibility and adaptivity. We opt for top-down…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Fenggen Yu , Kun Liu , Yan Zhang , Chenyang Zhu , Kai Xu

Point cloud registration aligns multiple unposed point clouds into a common reference frame and is a core step for 3D reconstruction and robot localization without initial guess. In this work, we cast registration as conditional generation:…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Yue Pan , Tao Sun , Liyuan Zhu , Lucas Nunes , Iro Armeni , Jens Behley , Cyrill Stachniss

Recent learning approaches that implicitly represent surface geometry using coordinate-based neural representations have shown impressive results in the problem of multi-view 3D reconstruction. The effectiveness of these techniques is,…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Eduard Ramon , Gil Triginer , Janna Escur , Albert Pumarola , Jaime Garcia , Xavier Giro-i-Nieto , Francesc Moreno-Noguer

In this paper, we propose a deep learning approach for image registration by predicting deformation from image appearance. Since obtaining ground-truth deformation fields for training can be challenging, we design a fully convolutional…

计算机视觉与模式识别 · 计算机科学 2018-02-14 Jingfan Fan , Xiaohuan Cao , Pew-Thian Yap , Dinggang Shen

Human action recognition (HAR) is a high-level and significant research area in computer vision due to its ubiquitous applications. The main limitations of the current HAR models are their complex structures and lengthy training time. In…

计算机视觉与模式识别 · 计算机科学 2023-09-14 K. Alomar , X. Cai

We present a novel real-time capable learning method that jointly perceives a 3D scene's geometry structure and semantic labels. Recent approaches to real-time 3D scene reconstruction mostly adopt a volumetric scheme, where a Truncated…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Ziyang Hong , C. Patrick Yue