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The traditional visual-inertial SLAM system often struggles with stability under low-light or motion-blur conditions, leading to potential lost of trajectory tracking. High accuracy and robustness are essential for the long-term and stable…

Robotics · Computer Science 2024-11-05 Hongkun Luo , Yang Liu , Chi Guo , Zengke Li , Weiwei Song

When applied sequentially to video, frame-based networks often exhibit temporal inconsistency - for example, outputs that flicker between frames. This problem is amplified when the network inputs contain time-varying corruptions. In this…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Matthew Dutson , Nathan Labiosa , Yin Li , Mohit Gupta

Bundle adjustment (BA) is the problem of refining a visual reconstruction to produce better structure and viewing parameter estimates. This problem is often formulated as a nonlinear least squares problem, where data arises from interest…

Computation · Statistics 2011-11-08 Aleksandr Y. Aravkin , Michael Styer , Zachary Moratto , Ara Nefian , Michael Broxton

Self-supervised VO methods have shown great success in jointly estimating camera pose and depth from videos. However, like most data-driven methods, existing VO networks suffer from a notable decrease in performance when confronted with…

Computer Vision and Pattern Recognition · Computer Science 2020-05-14 Shunkai Li , Xin Wang , Yingdian Cao , Fei Xue , Zike Yan , Hongbin Zha

This article presents a comprehensive survey of online test-time adaptation (OTTA), focusing on effectively adapting machine learning models to distributionally different target data upon batch arrival. Despite the recent proliferation of…

Artificial Intelligence · Computer Science 2024-07-19 Zixin Wang , Yadan Luo , Liang Zheng , Zhuoxiao Chen , Sen Wang , Zi Huang

Localization is an indispensable component of a robot's autonomy stack that enables it to determine where it is in the environment, essentially making it a precursor for any action execution or planning. Although convolutional neural…

Robotics · Computer Science 2018-03-13 Abhinav Valada , Noha Radwan , Wolfram Burgard

Weakly-supervised object detection (WSOD) has emerged as an inspiring recent topic to avoid expensive instance-level object annotations. However, the bounding boxes of most existing WSOD methods are mainly determined by precomputed…

Computer Vision and Pattern Recognition · Computer Science 2021-08-04 Bowen Dong , Zitong Huang , Yuelin Guo , Qilong Wang , Zhenxing Niu , Wangmeng Zuo

Modeling high-resolution spatiotemporal representations, including both global dynamic contexts (e.g., holistic human motion tendencies) and local motion details (e.g., high-frequency changes of keypoints), is essential for video-based…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Runyang Feng , Hyung Jin Chang , Tze Ho Elden Tse , Boeun Kim , Yi Chang , Yixing Gao

In this paper, we introduce a variational Bayesian algorithm (VBA) for image blind deconvolution. Our generic framework incorporates smoothness priors on the unknown blur/image and possible affine constraints (e.g., sum to one) on the blur…

Computer Vision and Pattern Recognition · Computer Science 2021-10-15 Yunshi Huang , Emilie Chouzenoux , Jean-Christophe Pesquet

Visual question answering (VQA) systems face significant challenges when adapting to real-world data shifts, especially in multi-modal contexts. While robust fine-tuning strategies are essential for maintaining performance across…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Chengyue Huang , Brisa Maneechotesuwan , Shivang Chopra , Zsolt Kira

Beam alignment (BA) in modern millimeter wave standards such as 5G NR and WiGig (802.11ay) is based on exhaustive and/or hierarchical beam searches over pre-defined codebooks of wide and narrow beams. This approach is slow and…

Information Theory · Computer Science 2024-03-26 Yuqiang Heng , Yu Zhang , Ahmed Alkhateeb , Jeffrey G. Andrews

In this paper, we propose VidLA, an approach for video-language alignment at scale. There are two major limitations of previous video-language alignment approaches. First, they do not capture both short-range and long-range temporal…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Mamshad Nayeem Rizve , Fan Fei , Jayakrishnan Unnikrishnan , Son Tran , Benjamin Z. Yao , Belinda Zeng , Mubarak Shah , Trishul Chilimbi

Recent generative models have achieved remarkable progress in image editing. However, existing systems and benchmarks remain largely text-guided. In contrast, human communication is inherently multimodal, where visual instructions such as…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Huanyu Zhang , Xuehai Bai , Chengzu Li , Chen Liang , Haochen Tian , Haodong Li , Ruichuan An , Yifan Zhang , Anna Korhonen , Zhang Zhang , Liang Wang , Tieniu Tan

Feature based visual odometry and SLAM methods require accurate and fast correspondence matching between consecutive image frames for precise camera pose estimation in real-time. Current feature matching pipelines either rely solely on the…

Computer Vision and Pattern Recognition · Computer Science 2020-08-03 Patrick Ruhkamp , Ruiqi Gong , Nassir Navab , Benjamin Busam

As an essential part of structure from motion (SfM) and Simultaneous Localization and Mapping (SLAM) systems, motion averaging has been extensively studied in the past years and continues to attract surging research attention. While…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Xinyi Li , Lin Yuan , Longin Jan Latecki , Haibin Ling

Feature matching across video streams remains a cornerstone challenge in computer vision. Increasingly, robust multimodal matching has garnered interest in robotics, surveillance, remote sensing, and medical imaging. While traditional rely…

Computer Vision and Pattern Recognition · Computer Science 2025-04-17 Jie Wang , Chen Ye Gan , Caoqi Wei , Jiangtao Wen , Yuxing Han

Image matching, which establishes correspondences between two-view images to recover 3D structure and camera geometry, serves as a cornerstone in computer vision and underpins a wide range of applications, including visual localization, 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Shihua Zhang , Zizhuo Li , Kaining Zhang , Yifan Lu , Yuxin Deng , Linfeng Tang , Xingyu Jiang , Jiayi Ma

As foundation models become more popular, there is a growing need to efficiently finetune them for downstream tasks. Although numerous adaptation methods have been proposed, they are designed to be efficient only in terms of how many…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Otniel-Bogdan Mercea , Alexey Gritsenko , Cordelia Schmid , Anurag Arnab

Surveillance systems play a critical role in security and reconnaissance, but their performance is often compromised by low-quality images and videos, leading to reduced accuracy in face recognition. Additionally, existing AI-based facial…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Anees Nashath Shaik , Barbara Villarini , Vasileios Argyriou

Vision-language models have shown strong performance, but they often generalize poorly to specialized domains. While semi-supervised vision-language learning mitigates this limitation by leveraging a small set of labeled image-text pairs…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Junwon You , Mihyun Jang , Sangwoo Mo , Jae-Hun Jung