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Current approaches for deformable medical image registration often struggle to fulfill all of the following criteria: versatile applicability, small computation or training times, and the being able to estimate large deformations.…

图像与视频处理 · 电气工程与系统科学 2021-12-07 Hanna Siebert , Lasse Hansen , Mattias P. Heinrich

Compared with the visual grounding on 2D images, the natural-language-guided 3D object localization on point clouds is more challenging. In this paper, we propose a new model, named InstanceRefer, to achieve a superior 3D visual grounding…

计算机视觉与模式识别 · 计算机科学 2021-07-30 Zhihao Yuan , Xu Yan , Yinghong Liao , Ruimao Zhang , Sheng Wang , Zhen Li , Shuguang Cui

Instance segmentation is a computer vision task where separate objects in an image are detected and segmented. State-of-the-art deep neural network models require large amounts of labeled data in order to perform well in this task. Making…

计算机视觉与模式识别 · 计算机科学 2022-02-21 Tuomas Sormunen , Arttu Lämsä , Miguel Bordallo Lopez

Reconstructing dynamic driving scenes from dashcam videos has attracted increasing attention due to its significance in autonomous driving and scene understanding. While recent advances have made impressive progress, most methods still…

计算机视觉与模式识别 · 计算机科学 2025-10-30 Hongyuan Liu , Haochen Yu , Bochao Zou , Jianfei Jiang , Qiankun Liu , Jiansheng Chen , Huimin Ma

Existing 3D instance segmentation methods frequently encounter issues with over-segmentation, leading to redundant and inaccurate 3D proposals that complicate downstream tasks. This challenge arises from their unsupervised merging approach,…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Phuc Nguyen , Minh Luu , Anh Tran , Cuong Pham , Khoi Nguyen

Registration of 3D point clouds is a fundamental task in several applications of robotics and computer vision. While registration methods such as iterative closest point and variants are very popular, they are only locally optimal. There…

计算机视觉与模式识别 · 计算机科学 2019-08-23 Rangaprasad Arun Srivatsan , Tejas Zodage , Howie Choset

Instance-level recognition (ILR) focuses on identifying individual objects rather than broad categories, offering the highest granularity in image classification. However, this fine-grained nature makes creating large-scale annotated…

计算机视觉与模式识别 · 计算机科学 2025-10-13 Yankun Wu , Zakaria Laskar , Giorgos Kordopatis-Zilos , Noa Garcia , Giorgos Tolias

Large vision models based in deep learning architectures have been consistently advancing the state-of-the-art in biometric recognition. However, three weaknesses are commonly reported for such kind of approaches: 1) their extreme demands…

计算机视觉与模式识别 · 计算机科学 2024-06-27 Henrique Jesus , Hugo Proença

Reliable odometry in highly dynamic environments remains challenging when it relies on ICP-based registration: ICP assumes near-static scenes and degrades in repetitive or low-texture geometry. We introduce Dynamic-ICP, a Doppler-aware…

机器人学 · 计算机科学 2026-03-19 Dong Wang , Daniel Casado Herraez , Stefan May , Andreas Nüchter

Multiview point cloud registration serves as a cornerstone of various computer vision tasks. Previous approaches typically adhere to a global paradigm, where a pose graph is initially constructed followed by motion synchronization to…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Shiqi Li , Jihua Zhu , Yifan Xie , Mingchen Zhu

Multi-view 3D reconstruction has remained an essential yet challenging problem in the field of computer vision. While DUSt3R and its successors have achieved breakthroughs in 3D reconstruction from unposed images, these methods exhibit…

图像与视频处理 · 电气工程与系统科学 2025-09-16 Sidun Liu , Wenyu Li , Peng Qiao , Yong Dou

We propose a novel method for instance label segmentation of dense 3D voxel grids. We target volumetric scene representations, which have been acquired with depth sensors or multi-view stereo methods and which have been processed with…

计算机视觉与模式识别 · 计算机科学 2019-11-04 Jean Lahoud , Bernard Ghanem , Marc Pollefeys , Martin R. Oswald

Recently most popular tracking frameworks focus on 2D image sequences. They seldom track the 3D object in point clouds. In this paper, we propose PointIT, a fast, simple tracking method based on 3D on-road instance segmentation. Firstly, we…

计算机视觉与模式识别 · 计算机科学 2019-02-19 Yuan Wang , Yang Yu , Ming Liu

Registration of 3D human body has been a challenging research topic for over decades. Most of the traditional human body registration methods require manual assistance, or other auxiliary information such as texture and markers. The…

图形学 · 计算机科学 2018-11-27 Zongyi Xu , Qianni Zhang , Shiyang Cheng

In multiple instance multiple label learning, each sample, a bag, consists of multiple instances. To alleviate labeling complexity, each sample is associated with a set of bag-level labels leaving instances within the bag unlabeled. This…

机器学习 · 计算机科学 2021-07-28 Tam Nguyen , Raviv Raich

Distracted driver activity recognition plays a critical role in risk aversion-particularly beneficial in intelligent transportation systems. However, most existing methods make use of only the video from a single view and the…

计算机视觉与模式识别 · 计算机科学 2024-01-26 Jian Kuang , Wenjing Li , Fang Li , Jun Zhang , Zhongcheng Wu

Nowadays, users demand for increased personalization of vision systems to localize and identify personal instances of objects (e.g., my dog rather than dog) from a few-shot dataset only. Despite outstanding results of deep networks on…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Umberto Michieli , Jijoong Moon , Daehyun Kim , Mete Ozay

This paper studies the 3D instance segmentation problem, which has a variety of real-world applications such as robotics and augmented reality. Since the surroundings of 3D objects are of high complexity, the separating of different objects…

计算机视觉与模式识别 · 计算机科学 2022-08-30 Min Zhong , Xinghao Chen , Xiaokang Chen , Gang Zeng , Yunhe Wang

This paper presents DeepI2P: a novel approach for cross-modality registration between an image and a point cloud. Given an image (e.g. from a rgb-camera) and a general point cloud (e.g. from a 3D Lidar scanner) captured at different…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Jiaxin Li , Gim Hee Lee

Segmenting object instances is a key task in machine perception, with safety-critical applications in robotics and autonomous driving. We introduce a novel approach to instance segmentation that jointly leverages measurements from multiple…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Alex Zihao Zhu , Vincent Casser , Reza Mahjourian , Henrik Kretzschmar , Sören Pirk