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We present GLNet, a self-supervised framework for learning depth, optical flow, camera pose and intrinsic parameters from monocular video - addressing the difficulty of acquiring realistic ground-truth for such tasks. We propose three…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Yuhua Chen , Cordelia Schmid , Cristian Sminchisescu

While deep learning-based robotic grasping technology has demonstrated strong adaptability, its computational complexity has also significantly increased, making it unsuitable for scenarios with high real-time requirements. Therefore, we…

Robotics · Computer Science 2025-09-10 Yuhao Jin , Qizhong Gao , Xiaohui Zhu , Yong Yue , Eng Gee Lim , Yuqing Chen , Prudence Wong , Yijie Chu

In the context of few-shot classification, the goal is to train a classifier using a limited number of samples while maintaining satisfactory performance. However, traditional metric-based methods exhibit certain limitations in achieving…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Fatemeh Askari , Amirreza Fateh , Mohammad Reza Mohammadi

Few-shot learning for fine-grained image classification has gained recent attention in computer vision. Among the approaches for few-shot learning, due to the simplicity and effectiveness, metric-based methods are favorably state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2021-02-03 Xiaoxu Li , Jijie Wu , Zhuo Sun , Zhanyu Ma , Jie Cao , Jing-Hao Xue

This work considers a new task in geometric deep learning: generating a triangulation among a set of points in 3D space. We present PointTriNet, a differentiable and scalable approach enabling point set triangulation as a layer in 3D…

Computer Vision and Pattern Recognition · Computer Science 2020-07-24 Nicholas Sharp , Maks Ovsjanikov

In the domain of point cloud analysis, despite the significant capabilities of Graph Neural Networks (GNNs) in managing complex 3D datasets, existing approaches encounter challenges like high computational costs and scalability issues with…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Qiang Zheng , Yafei Qi , Chen Wang , Chao Zhang , Jian Sun

Point Cloud Registration is a fundamental and challenging problem in 3D computer vision. Recent works often utilize the geometric structure information in point feature embedding or outlier rejection for registration while neglecting to…

Computer Vision and Pattern Recognition · Computer Science 2024-01-04 Qianliang Wu , Yaqi Shen , Haobo Jiang , Guofeng Mei , Yaqing Ding , Lei Luo , Jin Xie , Jian Yang

Point cloud registration is a key task in many computational fields. Previous correspondence matching based methods require the inputs to have distinctive geometric structures to fit a 3D rigid transformation according to point-wise sparse…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Hao Xu , Shuaicheng Liu , Guangfu Wang , Guanghui Liu , Bing Zeng

The processing, storage and transmission of large-scale point clouds is an ongoing challenge in the computer vision community which hinders progress in the application of 3D models to real-world settings, such as autonomous driving, virtual…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Stuti Pathak , Thomas M. McDonald , Seppe Sels , Rudi Penne

In recent years, research on few-shot learning (FSL) has been fast-growing in the 2D image domain due to the less requirement for labeled training data and greater generalization for novel classes. However, its application in 3D point cloud…

Computer Vision and Pattern Recognition · Computer Science 2023-04-03 Chuangguan Ye , Hongyuan Zhu , Bo Zhang , Tao Chen

The popularisation of acquisition devices capable of capturing volumetric information such as LiDAR scans and depth cameras has lead to an increased interest in point clouds as an imaging modality. Due to the high amount of data needed for…

Image and Video Processing · Electrical Eng. & Systems 2022-01-19 Davi Lazzarotto , Touradj Ebrahimi

3D object recognition has successfully become an appealing research topic in the real-world. However, most existing recognition models unreasonably assume that the categories of 3D objects cannot change over time in the real-world. This…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Jiahua Dong , Yang Cong , Gan Sun , Lixu Wang , Lingjuan Lyu , Jun Li , Ender Konukoglu

Point cloud analysis has evolved with diverse network architectures, while existing works predominantly focus on introducing novel structural designs. However, conventional point-based architectures - processing raw points through…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Shangzhuo Xie , Qianqian Yang

Real-time surface defect detection is critical for maintaining product quality and production efficiency in the steel manufacturing industry. Despite promising accuracy, existing deep learning methods often suffer from high computational…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Yong Zhang , Cunjian Chen , Qiang Gao , Yi Wang , Bin Fang

Existing few-shot learning (FSL) methods assume that there exist sufficient training samples from source classes for knowledge transfer to target classes with few training samples. However, this assumption is often invalid, especially when…

Machine Learning · Computer Science 2020-03-10 Jianhong Zhang , Manli Zhang , Zhiwu Lu , Tao Xiang , Jirong Wen

Point cloud analysis without pose priors is very challenging in real applications, as the orientations of point clouds are often unknown. In this paper, we propose a brand new point-set learning framework PRIN, namely, Point-wise Rotation…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Yang You , Yujing Lou , Ruoxi Shi , Qi Liu , Yu-Wing Tai , Lizhuang Ma , Weiming Wang , Cewu Lu

Few-shot segmentation focuses on the generalization of models to segment unseen object instances with limited training samples. Although tremendous improvements have been achieved, existing methods are still constrained by two factors. (1)…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Xianghui Yang , Bairun Wang , Kaige Chen , Xinchi Zhou , Shuai Yi , Wanli Ouyang , Luping Zhou

The precise fusion of computational fluid dynamic (CFD) data, wind tunnel tests data, and flight tests data in aerodynamic area is essential for obtaining comprehensive knowledge of both localized flow structures and global aerodynamic…

Machine Learning · Computer Science 2026-04-01 Qinye Zhu , Yu Xiang , Jun Zhang , Wenyong Wang

In this work, we address the challenging task of few-shot and zero-shot 3D point cloud semantic segmentation. The success of few-shot semantic segmentation in 2D computer vision is mainly driven by the pre-training on large-scale datasets…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Shuting He , Xudong Jiang , Wei Jiang , Henghui Ding

Few-shot 3D point cloud semantic segmentation (FS-3DSeg) aims to segment novel classes with only a few labeled samples. However, existing metric-based prototype learning methods generate prototypes solely from the support set, without…

Computer Vision and Pattern Recognition · Computer Science 2025-12-10 YiLin Zhou , Lili Wei , Zheming Xu , Ziyi Chen , Congyan Lang