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Recent advancements in visual localization and mapping have demonstrated considerable success in integrating point and line features. However, expanding the localization framework to include additional mapping components frequently results…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Bach-Thuan Bui , Huy-Hoang Bui , Dinh-Tuan Tran , Joo-Ho Lee

We present AEGIS-Net, a novel indoor place recognition model that takes in RGB point clouds and generates global place descriptors by aggregating lower-level color, geometry features and higher-level implicit semantic features. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-18 Yuhang Ming , Jian Ma , Xingrui Yang , Weichen Dai , Yong Peng , Wanzeng Kong

Visual place recognition techniques based on deep learning, which have imposed themselves as the state-of-the-art in recent years, do not generalize well to environments visually different from the training set. Thus, to achieve top…

Computer Vision and Pattern Recognition · Computer Science 2023-03-15 Pierre-Yves Lajoie , Giovanni Beltrame

With the rapid development of computer vision and machine learning, automated methods for pothole detection and recognition based on image and video data have received significant attention. It is of great significance for social…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Mang Hu , Qianqian Xia

Fine-grained visual classification (FGVC) which aims at recognizing objects from subcategories is a very challenging task due to the inherently subtle inter-class differences. Most existing works mainly tackle this problem by reusing the…

Computer Vision and Pattern Recognition · Computer Science 2021-12-03 Ju He , Jie-Neng Chen , Shuai Liu , Adam Kortylewski , Cheng Yang , Yutong Bai , Changhu Wang

Transformers have become one of the dominant architectures in deep learning, particularly as a powerful alternative to convolutional neural networks (CNNs) in computer vision. However, Transformer training and inference in previous works…

Computer Vision and Pattern Recognition · Computer Science 2021-12-24 Zizheng Pan , Bohan Zhuang , Haoyu He , Jing Liu , Jianfei Cai

The integration of complementary characteristics from camera and radar data has emerged as an effective approach in 3D object detection. However, such fusion-based methods remain unexplored for place recognition, an equally important task…

Robotics · Computer Science 2024-03-25 Shaowei Fu , Yifan Duan , Yao Li , Chengzhen Meng , Yingjie Wang , Jianmin Ji , Yanyong Zhang

Facial Expression Recognition (FER) is a machine learning problem that deals with recognizing human facial expressions. While existing work has achieved performance improvements in recent years, FER in the wild and under challenging…

Computer Vision and Pattern Recognition · Computer Science 2024-08-14 Jia Le Ngwe , Kian Ming Lim , Chin Poo Lee , Thian Song Ong

We present a fast and accurate visual tracking algorithm based on the multi-domain convolutional neural network (MDNet). The proposed approach accelerates feature extraction procedure and learns more discriminative models for instance…

Computer Vision and Pattern Recognition · Computer Science 2018-08-28 Ilchae Jung , Jeany Son , Mooyeol Baek , Bohyung Han

Transformer is a potentially powerful architecture for vision tasks. Although equipped with more parameters and attention mechanism, its performance is not as dominant as CNN currently. CNN is usually computationally cheaper and still the…

Computer Vision and Pattern Recognition · Computer Science 2021-12-03 Bei Tong , Xiaoyuan Yu

This study addresses the challenge of performing visual localization in demanding conditions such as night-time scenarios, adverse weather, and seasonal changes. While many prior studies have focused on improving image-matching performance…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Khang Truong Giang , Soohwan Song , Sungho Jo

LiDAR-based localization approach is a fundamental module for large-scale navigation tasks, such as last-mile delivery and autonomous driving, and localization robustness highly relies on viewpoints and 3D feature extraction. Our previous…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Shiqi Zhao , Peng Yin , Ge Yi , Sebastian Scherer

In vision-based robot localization and SLAM, Visual Place Recognition (VPR) is essential. This paper addresses the problem of VPR, which involves accurately recognizing the location corresponding to a given query image. A popular approach…

Robotics · Computer Science 2024-10-28 Soojin Woo , Seong-Woo Kim

Object recognition is a fundamental problem in many video processing tasks, accurately locating seen objects at low computation cost paves the way for on-device video recognition. We propose PatchNet, an efficient convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2021-03-15 Huizi Mao , Sibo Zhu , Song Han , William J. Dally

Accurate camera pose estimation from an image observation in a previously mapped environment is commonly done through structure-based methods: by finding correspondences between 2D keypoints on the image and 3D structure points in the map.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Fereidoon Zangeneh , Leonard Bruns , Amit Dekel , Alessandro Pieropan , Patric Jensfelt

Visual place recognition (VPR) enables autonomous systems to localize themselves within an environment using image information. While VPR techniques built upon a Convolutional Neural Network (CNN) backbone dominate state-of-the-art VPR…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Bruno Arcanjo , Bruno Ferrarini , Maria Fasli , Michael Milford , Klaus D. McDonald-Maier , Shoaib Ehsan

Current Deep Learning methods for environment segmentation and velocity estimation rely on Convolutional Recurrent Neural Networks to exploit spatio-temporal relationships within obtained sensor data. These approaches derive scene dynamics…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Marco Braun , Moritz Luszek , Mirko Meuter , Dominic Spata , Kevin Kollek , Anton Kummert

Face super-resolution methods usually aim at producing visually appealing results rather than preserving distinctive features for further face identification. In this work, we propose a deep learning method for face verification on very…

Computer Vision and Pattern Recognition · Computer Science 2019-03-27 Esra Ataer-Cansizoglu , Michael Jones , Ziming Zhang , Alan Sullivan

In robotics, Visual Place Recognition is a continuous process that receives as input a video stream to produce a hypothesis of the robot's current position within a map of known places. This task requires robust, scalable, and efficient…

Computer Vision and Pattern Recognition · Computer Science 2022-07-11 Riccardo Mereu , Gabriele Trivigno , Gabriele Berton , Carlo Masone , Barbara Caputo

Recent studies show that vision models pre-trained in generic visual learning tasks with large-scale data can provide useful feature representations for a wide range of visual perception problems. However, few attempts have been made to…

Computer Vision and Pattern Recognition · Computer Science 2024-04-04 Feng Lu , Lijun Zhang , Xiangyuan Lan , Shuting Dong , Yaowei Wang , Chun Yuan