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Pedestrian detection in the wild remains a challenging problem especially when the scene contains significant occlusion and/or low resolution of the pedestrians to be detected. Existing methods are unable to adapt to these difficult cases…

计算机视觉与模式识别 · 计算机科学 2022-12-13 Tianliang Zhang , Zhenjun Han , Huijuan Xu , Baochang Zhang , Qixiang Ye

Place recognition is critical for both offline mapping and online localization. However, current single-sensor based place recognition still remains challenging in adverse conditions. In this paper, a heterogeneous measurements based…

计算机视觉与模式识别 · 计算机科学 2021-06-21 Huan Yin , Xuecheng Xu , Yue Wang , Rong Xiong

Image matching is a fundamental and critical task in various visual applications, such as Simultaneous Localization and Mapping (SLAM) and image retrieval, which require accurate pose estimation. However, most existing methods ignore the…

计算机视觉与模式识别 · 计算机科学 2023-08-31 Miao Fan , Mingrui Chen , Chen Hu , Shuchang Zhou

Humans can orient themselves in their 3D environments using simple 2D maps. Differently, algorithms for visual localization mostly rely on complex 3D point clouds that are expensive to build, store, and maintain over time. We bridge this…

Optical flow estimation is an essential step for many real-world computer vision tasks. Existing deep networks have achieved satisfactory results by mostly employing a pyramidal coarse-to-fine paradigm, where a key process is to adopt…

计算机视觉与模式识别 · 计算机科学 2021-02-02 Lingtong Kong , Xiaohang Yang , Jie Yang

Accurate and consistent fruit monitoring over time is a key step toward automated agricultural production systems. However, this task is inherently difficult due to variations in fruit size, shape, occlusion, orientation, and the dynamic…

计算机视觉与模式识别 · 计算机科学 2026-04-10 Daniel Fusaro , Federico Magistri , Jens Behley , Alberto Pretto , Cyrill Stachniss

Capturing both local and global features of irregular point clouds is essential to 3D object detection (3OD). However, mainstream 3D detectors, e.g., VoteNet and its variants, either abandon considerable local features during pooling…

计算机视觉与模式识别 · 计算机科学 2022-09-01 Baian Chen , Liangliang Nan , Haoran Xie , Dening Lu , Fu Lee Wang , Mingqiang Wei

Out-of-distribution (OOD) detection ensures safe and reliable model deployment. Contemporary OOD algorithms using geometry projection can detect OOD or adversarial samples from clean in-distribution (ID) samples. However, this setting…

机器学习 · 计算机科学 2025-08-26 Jeng-Lin Li , Ming-Ching Chang , Wei-Chao Chen

Robust and discriminative feature learning is critical for high-quality point cloud registration. However, existing deep learning-based methods typically rely on Euclidean neighborhood-based strategies for feature extraction, which struggle…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Shuyuan Lin , Wenwu Peng , Junjie Huang , Qiang Qi , Miaohui Wang , Jian Weng

Real world data often have a long-tailed and open-ended distribution. A practical recognition system must classify among majority and minority classes, generalize from a few known instances, and acknowledge novelty upon a never seen…

计算机视觉与模式识别 · 计算机科学 2019-04-17 Ziwei Liu , Zhongqi Miao , Xiaohang Zhan , Jiayun Wang , Boqing Gong , Stella X. Yu

In agricultural robotics, effective observation and localization of fruits present challenges due to occlusions caused by other parts of the tree, such as branches and leaves. These occlusions can result in false fruit localization or…

机器人学 · 计算机科学 2026-04-09 Ege Gursoy , Dana Kulić , Andrea Cherubini

A robust and accurate 3D detection system is an integral part of autonomous vehicles. Traditionally, a majority of 3D object detection algorithms focus on processing 3D point clouds using voxel grids or bird's eye view (BEV). Recent works,…

计算机视觉与模式识别 · 计算机科学 2020-09-18 Sumesh Thakur , Jiju Peethambaran

LiDAR-based 3D object detection is an important task for autonomous driving and current approaches suffer from sparse and partial point clouds of distant and occluded objects. In this paper, we propose a novel two-stage approach, namely…

计算机视觉与模式识别 · 计算机科学 2020-12-23 Yanan Zhang , Di Huang , Yunhong Wang

Lifelong indoor localization in a given map is the basis for navigation of autonomous mobile robots. In this letter, we address the problem of robust localization in cluttered indoor environments like office spaces and corridors using 3D…

机器人学 · 计算机科学 2024-12-05 Fujing Xie , Sören Schwertfeger

Ground segmentation is crucial for terrestrial mobile platforms to perform navigation or neighboring object recognition. Unfortunately, the ground is not flat, as it features steep slopes; bumpy roads; or objects, such as curbs, flower…

机器人学 · 计算机科学 2022-03-11 Hyungtae Lim , Minho Oh , Hyun Myung

Network data appears in very diverse applications, like biological, social, or sensor networks. Clustering of network nodes into categories or communities has thus become a very common task in machine learning and data mining. Network data…

机器学习 · 计算机科学 2020-01-24 Mireille El Gheche , Giovanni Chierchia , Pascal Frossard

Ensemble methods are a reliable way to combine several models to achieve superior performance. However, research on the application of ensemble methods in the remote sensing object detection scenario is mostly overlooked. Two problems…

计算机视觉与模式识别 · 计算机科学 2022-09-28 Haoning Lin , Changhao Sun , Yunpeng Liu

Recent learning-based visual localization methods use global descriptors to disambiguate visually similar places, but existing approaches often derive these descriptors from geometric cues alone (e.g., covisibility graphs), limiting their…

计算机视觉与模式识别 · 计算机科学 2026-01-09 Son Tung Nguyen , Alejandro Fontan , Michael Milford , Tobias Fischer

Autonomous robots enjoy a wide popularity nowadays and have been applied in many applications, such as home security, entertainment, delivery, navigation and guidance. It is vital to robots to track objects accurately in these applications,…

计算机视觉与模式识别 · 计算机科学 2016-08-11 Mengmeng Wang , Yong Liu

Multi-UAV collaborative 3D object detection can perceive and comprehend complex environments by integrating complementary information, with applications encompassing traffic monitoring, delivery services and agricultural management.…

计算机视觉与模式识别 · 计算机科学 2024-06-10 Pengju Tian , Peirui Cheng , Yuchao Wang , Zhechao Wang , Zhirui Wang , Menglong Yan , Xue Yang , Xian Sun