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Accurate localization and mapping in outdoor environments remains challenging when using consumer-grade hardware, particularly with rolling-shutter cameras and low-precision inertial navigation systems (INS). We present a novel semantic…

Robotics · Computer Science 2025-04-04 Yuchen Zhang , Miao Fan , Shengtong Xu , Xiangzeng Liu , Haoyi Xiong

In the domain of intelligent transportation systems (ITS), collaborative perception has emerged as a promising approach to overcome the limitations of individual perception by enabling multiple agents to exchange information, thus enhancing…

Multiagent Systems · Computer Science 2023-05-04 Ahmed N. Ahmed , Siegfried Mercelis , Ali Anwar

The ability for an agent to localize itself within an environment is crucial for many real-world applications. For unknown environments, Simultaneous Localization and Mapping (SLAM) enables incremental and concurrent building of and…

Computer Vision and Pattern Recognition · Computer Science 2018-02-21 Emilio Parisotto , Devendra Singh Chaplot , Jian Zhang , Ruslan Salakhutdinov

Automatic breast lesion detection and classification is an important task in computer-aided diagnosis, in which breast ultrasound (BUS) imaging is a common and frequently used screening tool. Recently, a number of deep learning-based…

Image and Video Processing · Electrical Eng. & Systems 2022-10-13 Zong Fan , Ping Gong , Shanshan Tang , Christine U. Lee , Xiaohui Zhang , Pengfei Song , Shigao Chen , Hua Li

Semantic segmentation algorithms that can robustly segment objects across multiple camera viewpoints are crucial for assuring navigation and safety in emerging applications such as autonomous driving. Existing algorithms treat each image in…

Computer Vision and Pattern Recognition · Computer Science 2019-10-04 Brigit Schroeder , Hanlin Tang , Alexandre Alahi

Simultaneous localization and mapping (SLAM) is critical to the implementation of autonomous driving. Most LiDAR-inertial SLAM algorithms assume a static environment, leading to unreliable localization in dynamic environments. Moreover, the…

Robotics · Computer Science 2024-10-28 Zhongyang Zhu , Junqiao Zhao , Kai Huang , Xuebo Tian , Jiaye Lin , Chen Ye

This paper develops a real-time decentralized metric-semantic SLAM algorithm that enables a heterogeneous robot team to collaboratively construct object-based metric-semantic maps. The proposed framework integrates a data-driven front-end…

Accurately estimating the positions of multi-agent systems in indoor environments is challenging due to the lack of Global Navigation Satelite System (GNSS) signals. Noisy measurements of position and orientation can cause the integrated…

Robotics · Computer Science 2023-10-31 Frida Viset , Rudy Helmons , Manon Kok

Unsupervised learning from continuous visual streams is a challenging problem that cannot be naturally and efficiently managed in the classic batch-mode setting of computation. The information stream must be carefully processed accordingly…

Machine Learning · Computer Science 2020-06-17 Matteo Tiezzi , Stefano Melacci , Alessandro Betti , Marco Maggini , Marco Gori

The traditional Simultaneous Localization And Mapping (SLAM) systems rely on the assumption of a static environment and fail to accurately estimate the system's location when dynamic objects are present in the background. While…

Robotics · Computer Science 2023-02-24 Yaoming Zhuang , Pengrun Jia , Zheng Liu , Li Li , Chengdong Wu , Wei cui , Zhanlin Liu

Image geolocalization, inferring the geographic location of an image, is a challenging computer vision problem with many potential applications. The recent state-of-the-art approach to this problem is a deep image classification approach in…

Computer Vision and Pattern Recognition · Computer Science 2017-05-16 Nam Vo , Nathan Jacobs , James Hays

This paper begins with a description of methods for estimating image probability density functions that reflects the observation that such data is usually constrained to lie in restricted regions of the high-dimensional image space-not…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Peter Tu , Zhaoyuan Yang , Richard Hartley , Zhiwei Xu , Jing Zhang , Yiwei Fu , Dylan Campbell , Jaskirat Singh , Tianyu Wang

Pre-trained vision-language models have inspired much research on few-shot learning. However, with only a few training images, there exist two crucial problems: (1) the visual feature distributions are easily distracted by class-irrelevant…

Computer Vision and Pattern Recognition · Computer Science 2023-05-22 Runqi Wang , Hao Zheng , Xiaoyue Duan , Jianzhuang Liu , Yuning Lu , Tian Wang , Songcen Xu , Baochang Zhang

Despite the growing prevalence of black-box pre-trained models (PTMs) such as prediction API services, there remains a significant challenge in directly applying general models to real-world scenarios due to the data distribution gap.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-16 Wonwoo Cho , Kangyeol Kim , Saemee Choi , Jaegul Choo

The morphological changes in knee cartilage (especially femoral and tibial cartilages) are closely related to the progression of knee osteoarthritis, which is expressed by magnetic resonance (MR) images and assessed on the cartilage…

Image and Video Processing · Electrical Eng. & Systems 2022-06-22 Dong Liang , Jun Liu , Kuanquan Wang , Gongning Luo , Wei Wang , Shuo Li

Human visual attention is a complex phenomenon that has been studied for decades. Within it, the particular problem of scanpath prediction poses a challenge, particularly due to the inter- and intra-observer variability, among other…

Computer Vision and Pattern Recognition · Computer Science 2022-04-21 Daniel Martin , Diego Gutierrez , Belen Masia

Distributed algorithms, particularly Diffusion Least Mean Square, are widely favored for their reliability, robustness, and fast convergence in various industries. However, limited observability of the target can compromise the integrity of…

Signal Processing · Electrical Eng. & Systems 2023-10-18 Mahdi Shamsi , Farokh Marvasti

Self-supervised learning (SSL) methods have become a dominant paradigm for creating general purpose models whose capabilities can be transferred to downstream supervised learning tasks. However, most such methods rely on vast amounts of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Lakshay Sharma , Alex Marin

This paper develops a probabilistic anticipation algorithm for dynamic objects observed by an autonomous robot in an urban environment. Predictive Gaussian mixture models are used due to their ability to probabilistically capture continuous…

Robotics · Computer Science 2013-09-04 Frank Havlak , Mark Campbell

Multi-scale inference is commonly used to improve the results of semantic segmentation. Multiple images scales are passed through a network and then the results are combined with averaging or max pooling. In this work, we present an…

Computer Vision and Pattern Recognition · Computer Science 2020-05-22 Andrew Tao , Karan Sapra , Bryan Catanzaro