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Local feature matching enjoys wide-ranging applications in the realm of computer vision, encompassing domains such as image retrieval, 3D reconstruction, and object recognition. However, challenges persist in improving the accuracy and…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Shibiao Xu , Shunpeng Chen , Rongtao Xu , Changwei Wang , Peng Lu , Li Guo

We tackle the problem of visual localization under changing conditions, such as time of day, weather, and seasons. Recent learned local features based on deep neural networks have shown superior performance over classical hand-crafted local…

计算机视觉与模式识别 · 计算机科学 2020-08-24 Sungyong Baik , Hyo Jin Kim , Tianwei Shen , Eddy Ilg , Kyoung Mu Lee , Chris Sweeney

Feature-based geo-localization relies on associating features extracted from aerial imagery with those detected by the vehicle's sensors. This requires that the type of landmarks must be observable from both sources. This lack of variety of…

计算机视觉与模式识别 · 计算机科学 2024-05-17 Miguel Ángel Muñoz-Bañón , Alejandro Olivas , Edison Velasco-Sánchez , Francisco A. Candelas , Fernando Torres

Person re-identification (re-id) aims to match pedestrians observed by disjoint camera views. It attracts increasing attention in computer vision due to its importance to surveillance system. To combat the major challenge of cross-view…

计算机视觉与模式识别 · 计算机科学 2017-09-08 Lin Wu , Yang Wang , Junbin Gao , Xue Li

Visual attributes are great means of describing images or scenes, in a way both humans and computers understand. In order to establish a correspondence between images and to be able to compare the strength of each property between images,…

计算机视觉与模式识别 · 计算机科学 2016-09-14 Yaser Souri , Erfan Noury , Ehsan Adeli

Most recent self-supervised methods for learning image representations focus on either producing a global feature with invariance properties, or producing a set of local features. The former works best for classification tasks while the…

计算机视觉与模式识别 · 计算机科学 2022-10-05 Adrien Bardes , Jean Ponce , Yann LeCun

A major bottleneck of pedestrian detection lies on the sharp performance deterioration in the presence of small-size pedestrians that are relatively far from the camera. Motivated by the observation that pedestrians of disparate spatial…

计算机视觉与模式识别 · 计算机科学 2018-05-23 Xiaowei Zhang , Li Cheng , Bo Li , Hai-Miao Hu

Visual localization to compute 6DoF camera pose from a given image has wide applications such as in robotics, virtual reality, augmented reality, etc. Two kinds of descriptors are important for the visual localization. One is global…

计算机视觉与模式识别 · 计算机科学 2020-09-24 Pengju Zhang , Yihong Wu , Bingxi Liu

In this paper we propose an end-to-end learnable approach that detects static urban objects from multiple views, re-identifies instances, and finally assigns a geographic position per object. Our method relies on a Graph Neural Network…

计算机视觉与模式识别 · 计算机科学 2020-03-25 Ahmed Samy Nassar , Stefano D'Aronco , Sébastien Lefèvre , Jan D. Wegner

Graph representation learning has drawn increasing attention in recent years, especially for learning the low dimensional embedding at both node and graph level for classification and recommendations tasks. To enable learning the…

机器学习 · 计算机科学 2022-01-20 Tiehua Zhang , Yuze Liu , Xin Chen , Xiaowei Huang , Feng Zhu , Xi Zheng

Pedestrian detection is the cornerstone of many vision based applications, starting from object tracking to video surveillance and more recently, autonomous driving. With the rapid development of deep learning in object detection,…

计算机视觉与模式识别 · 计算机科学 2022-03-03 Irtiza Hasan , Shengcai Liao , Jinpeng Li , Saad Ullah Akram , Ling Shao

In this paper, we propose a novel method called AlignedReID that extracts a global feature which is jointly learned with local features. Global feature learning benefits greatly from local feature learning, which performs an…

计算机视觉与模式识别 · 计算机科学 2018-02-01 Xuan Zhang , Hao Luo , Xing Fan , Weilai Xiang , Yixiao Sun , Qiqi Xiao , Wei Jiang , Chi Zhang , Jian Sun

Visual object localization is the key step in a series of object detection tasks. In the literature, high localization accuracy is achieved with the mainstream strongly supervised frameworks. However, such methods require object-level…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Yi-Geng Hong , Hui-Chu Xiao , Wan-Lei Zhao

Learning-based analysis of images is commonly used in the fields of mobility and robotics for safe environmental motion and interaction. This requires not only object recognition but also the assignment of certain properties to them. With…

计算机视觉与模式识别 · 计算机科学 2024-07-25 Simone Müller , Daniel Kolb , Matthias Müller , Dieter Kranzlmüller

LiDAR-based localization and mapping is one of the core components in many modern robotic systems due to the direct integration of range and geometry, allowing for precise motion estimation and generation of high quality maps in real-time.…

机器人学 · 计算机科学 2022-08-02 Julian Nubert , Etienne Walther , Shehryar Khattak , Marco Hutter

The huge variance of human pose and the misalignment of detected human images significantly increase the difficulty of person Re-Identification (Re-ID). Moreover, efficient Re-ID systems are required to cope with the massive visual data…

计算机视觉与模式识别 · 计算机科学 2017-09-14 Longhui Wei , Shiliang Zhang , Hantao Yao , Wen Gao , Qi Tian

We describe a novel approach to image based localisation in urban environments using semantic matching between images and a 2-D map. It contrasts with the vast majority of existing approaches which use image to image database matching. We…

计算机视觉与模式识别 · 计算机科学 2018-03-05 Pilailuck Panphattarasap , Andrew Calway

Long-term visual localization is an essential problem in robotics and computer vision, but remains challenging due to the environmental appearance changes caused by lighting and seasons. While many existing works have attempted to solve it…

机器人学 · 计算机科学 2023-06-23 Yuxuan Chen , Binbin Xu , Frederike Dümbgen , Timothy D. Barfoot

Uniform and variable environments still remain a challenge for stable visual localization and mapping in mobile robot navigation. One of the possible approaches suitable for such environments is appearance-based teach-and-repeat navigation,…

机器人学 · 计算机科学 2025-03-18 Václav Truhlařík , Tomáš Pivoňka , Michal Kasarda , Libor Přeučil

Many pre-trained models (PTMs) are available in modern applications. Because different PTMs are often trained on different datasets, their performances can vary substantially for different new tasks, and the ranking of the candidates may…

统计方法学 · 统计学 2026-05-14 Ziwen Gao , Baihua He , Yuhong Yang