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In Visual SLAM, achieving accurate feature matching consumes a significant amount of time, severely impacting the real-time performance of the system. This paper proposes an accelerated method for Visual SLAM by integrating GMS (Grid-based…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Shaojie Zhang , Yinghui Wang , Jiaxing Ma , Wei Li , Jinlong Yang , Tao Yan , Yukai Wang , Liangyi Huang , Mingfeng Wang , Ibragim R. Atadjanov

Estimating accurate and well-calibrated predictive uncertainty is important for enhancing the reliability of computer vision models, especially in safety-critical applications like traffic scene perception. While ensemble methods are…

计算机视觉与模式识别 · 计算机科学 2025-09-08 Svetlana Pavlitska , Beyza Keskin , Alwin Faßbender , Christian Hubschneider , J. Marius Zöllner

Plane model extraction from three-dimensional point clouds is a necessary step in many different applications such as planar object reconstruction, indoor mapping and indoor localization. Different RANdom SAmple Consensus (RANSAC)-based…

计算机视觉与模式识别 · 计算机科学 2017-08-04 Marcelo Saval-Calvo , Jorge Azorin-Lopez , Andres Fuster-Guillo , Jose Garcia-Rodriguez

Estimating the relative rigid pose between two RGB-D scans of the same underlying environment is a fundamental problem in computer vision, robotics, and computer graphics. Most existing approaches allow only limited maximum relative pose…

计算机视觉与模式识别 · 计算机科学 2019-01-08 Zhenpei Yang , Jeffrey Z. Pan , Linjie Luo , Xiaowei Zhou , Kristen Grauman , Qixing Huang

Multimodal fingerprinting is a crucial technique to sub-meter 6G integrated sensing and communications (ISAC) localization, but two hurdles block deployment: (i) the contribution each modality makes to the target position varies with the…

We present a new paradigm for rigid alignment between point clouds based on learnable weighted consensus which is robust to noise as well as the full spectrum of the rotation group. Current models, learnable or axiomatic, work well for…

计算机视觉与模式识别 · 计算机科学 2021-05-07 Dvir Ginzburg , Dan Raviv

We study the collaborative image retrieval problem at the wireless edge, where multiple edge devices capture images of the same object from different angles and locations, which are then used jointly to retrieve similar images at the edge…

图像与视频处理 · 电气工程与系统科学 2023-02-14 Wing Fei Lo , Nitish Mital , Haotian Wu , Deniz Gündüz

Shared embedding spaces are widely used for multimodal search and data curation. In practice, two problems often limit how well this works. First, embeddings can reflect modality more than meaning, so examples cluster by input type even…

We present a method named iComMa to address the 6D camera pose estimation problem in computer vision. Conventional pose estimation methods typically rely on the target's CAD model or necessitate specific network training tailored to…

计算机视觉与模式识别 · 计算机科学 2024-03-21 Yuan Sun , Xuan Wang , Yunfan Zhang , Jie Zhang , Caigui Jiang , Yu Guo , Fei Wang

In this thesis, we address the problem of estimating the 6D pose of rigid objects from a single RGB or RGB-D input image, assuming that 3D models of the objects are available. This problem is of great importance to many application fields…

计算机视觉与模式识别 · 计算机科学 2022-01-03 Tomas Hodan

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…

计算机视觉与模式识别 · 计算机科学 2024-03-21 Khang Truong Giang , Soohwan Song , Sungho Jo

In recent times, with the exception of sporadic cases, the trend in Computer Vision is to achieve minor improvements compared to considerable increases in complexity. To reverse this trend, we propose a novel method to boost image…

计算机视觉与模式识别 · 计算机科学 2025-10-01 Antonio Bruno , Davide Moroni , Massimo Martinelli

Image captioning for Early Childhood Education (ECE) is essential for automated activity understanding and educational assessment. However, existing methods face two key challenges. First, the lack of large-scale, domain-specific datasets…

计算机视觉与模式识别 · 计算机科学 2026-04-03 Sixing Li , Zhibin Gu , Ziqi Zhang , Weiguo Pan , Bing Li , Ying Wang , Hongzhe Liu

Open-vocabulary semantic segmentation (OVSS) in remote sensing images is a promising task that employs textual descriptions for identifying undefined land cover categories. Despite notable advances, existing methods typically employ a…

计算机视觉与模式识别 · 计算机科学 2026-04-30 Guanchun Wang , Chenxiao Wu , Xiangrong Zhang , Zelin Peng , Jianxun Lai , Tianyang Zhang , Xu Tang

Multi-Agent Consensus Equilibrium (MACE) formulates an inverse imaging problem as a balance among multiple update agents such as data-fitting terms and denoisers. However, each such agent operates on a separate copy of the full image,…

最优化与控制 · 数学 2023-10-10 Qiuchen Zhai , Gregery T. Buzzard , Kevin Mertes , Brendt Wohlberg , Charles A. Bouman

We present a multimodal camera relocalization framework that captures ambiguities and uncertainties with continuous mixture models defined on the manifold of camera poses. In highly ambiguous environments, which can easily arise due to…

计算机视觉与模式识别 · 计算机科学 2020-07-17 Mai Bui , Tolga Birdal , Haowen Deng , Shadi Albarqouni , Leonidas Guibas , Slobodan Ilic , Nassir Navab

We present a robust and real-time monocular six degree of freedom visual relocalization system. We use a Bayesian convolutional neural network to regress the 6-DOF camera pose from a single RGB image. It is trained in an end-to-end manner…

计算机视觉与模式识别 · 计算机科学 2016-02-19 Alex Kendall , Roberto Cipolla

Multimodal large models have shown excellent ability in addressing image super-resolution in real-world scenarios by leveraging language class as condition information, yet their abilities in degraded images remain limited. In this paper,…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Xiaoyan Lei , Wenlong Zhang , Biao Luo , Hui Liang , Weifeng Cao , Qiuting Lin

We propose a simple yet effective approach to enhance the performance of feed-forward 3D reconstruction models. Existing methods often struggle near depth discontinuities, where standard regression losses encourage spatial averaging and…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Zichen Wang , Ang Cao , Liam J. Wang , Jeong Joon Park

Working memory (WM), denoting the information temporally stored in the mind, is a fundamental research topic in the field of human cognition. Electroencephalograph (EEG), which can monitor the electrical activity of the brain, has been…

机器学习 · 计算机科学 2024-12-03 Junfu Chen , Sirui Li , Dechang Pi