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This paper presents an adaptive visual servoing framework for robotic on-orbit servicing (OOS), specifically designed for capturing tumbling satellites. The vision-guided robotic system is capable of selecting optimal control actions in the…

机器人学 · 计算机科学 2024-09-10 Farhad Aghili

We propose a large displacement optical flow method that introduces a new strategy to compute a good local minimum of any optical flow energy functional. The method requires a given set of discrete matches, which can be extremely sparse,…

计算机视觉与模式识别 · 计算机科学 2016-09-30 Roberto P. Palomares , Enric Meinhardt-Llopis , Coloma Ballester , Gloria Haro

We propose a dense indirect visual odometry method taking as input externally estimated optical flow fields instead of hand-crafted feature correspondences. We define our problem as a probabilistic model and develop a generalized-EM…

计算机视觉与模式识别 · 计算机科学 2021-04-15 Zhixiang Min , Yiding Yang , Enrique Dunn

Adaptive block-based compressive sensing (ABCS) algorithms are studied in the context of the practical realization of compressive sensing on resource-constrained image and video sensing platforms that use single-pixel cameras, multi-pixel…

图像与视频处理 · 电气工程与系统科学 2020-07-10 Joseph Zammit , Ian J. Wassell

Robust robotic manipulation requires not only predicting how the scene evolves over time, but also recognizing task-relevant objects in complex scenes. However, existing VLA models face two limitations. They typically act only on the…

机器人学 · 计算机科学 2026-04-21 Kuanning Wang , Ke Fan , Chenhao Qiu , Zeyu Shangguan , Yuqian Fu , Yanwei Fu , Daniel Seita , Xiangyang Xue

Perception systems in robotics encounter significant challenges in high-speed and dynamic conditions when relying on traditional cameras, where motion blur can compromise spatial feature integrity and task performance. Brain-inspired vision…

机器人学 · 计算机科学 2025-04-29 Taoyi Wang , Lijian Wang , Yihan Lin , Mingtao Ou , Yuguo Chen , Xinglong Ji , Rong Zhao

Event cameras capture brightness changes asynchronously with microsecond resolution, yet existing optical flow methods fail to fully exploit this temporal continuity. Frame-based approaches impose artificial accumulation latency and suffer…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Gunwoo Jeon , Chaesong Park , Jongwoo Lim

Flow matching has emerged as a simulation-free alternative to diffusion-based generative modeling, producing samples by solving an ODE whose time-dependent velocity field is learned along an interpolation between a simple source…

机器学习 · 统计学 2026-04-10 Shivam Kumar , Yixin Wang , Lizhen Lin

The optimal power flow (OPF) problem, which plays a central role in operating electrical networks is considered. The problem is nonconvex and is in fact NP hard. Therefore, designing efficient algorithms of practical relevance is crucial,…

最优化与控制 · 数学 2014-08-20 S. Magnússon , P. C. Weeraddana , C. Fischione

Flow boiling is an efficient heat transfer mechanism capable of dissipating high heat loads with minimal temperature variation, making it an ideal thermal management method. However, sudden shifts between flow regimes can disrupt thermal…

Underwater environments impose severe constraints on conventional imaging systems and demand solutions that balance high-quality sensing with strict resource efficiency. While emerging event cameras offer a promising alternative, their…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Pei Zhang , Yunkai Liang , Kaiqiang Wang

The optical flow of natural scenes is a combination of the motion of the observer and the independent motion of objects. Existing algorithms typically focus on either recovering motion and structure under the assumption of a purely static…

计算机视觉与模式识别 · 计算机科学 2017-05-04 Jonas Wulff , Laura Sevilla-Lara , Michael J. Black

Event vision sensors (neuromorphic cameras) output sparse, asynchronous ON/OFF events triggered by log-intensity threshold crossings, enabling microsecond-scale sensing with high dynamic range and low data bandwidth. As a nonlinear system,…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Nimrod Kruger , Nicholas Owen Ralph , Gregory Cohen , Paul Hurley

Optical flow is a fundamental technique for motion estimation, widely applied in video stabilization, interpolation, and object tracking. Traditional optical flow estimation methods rely on restrictive assumptions like brightness constancy…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Yu-Hsi Chen , Chin-Tien Wu

The performance of optical flow algorithms greatly depends on the specifics of the content and the application for which it is used. Existing and well established optical flow datasets are limited to rather particular contents from which…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Gregory Schröder , Tobias Senst , Erik Bochinski , Thomas Sikora

Dynamic Vision Sensors (DVS) exhibit exceptional dynamic range and low power consumption, making them ideal for edge applications in the Internet of Video Things (IoVT). However, their output is often degraded by spurious Background…

神经与进化计算 · 计算机科学 2026-05-05 Yahan Yang , Pradeep Kumar Gopalakrishnan , Chang Chip Hong , Arindam Basu

The scene perception, understanding, and simulation are fundamental techniques for embodied-AI agents, while existing solutions are still prone to segmentation deficiency, dynamic objects' interference, sensor data sparsity, and…

计算机视觉与模式识别 · 计算机科学 2025-10-15 Zhiliu Yang , Jinyu Dai , Jianyuan Zhang , Zhu Yang

Decentralized learning recently has received increasing attention in machine learning due to its advantages in implementation simplicity and system robustness, data privacy. Meanwhile, the adaptive gradient methods show superior…

机器学习 · 计算机科学 2024-08-20 Feihu Huang , Jianyu Zhao

The interpretation of ego motion and scene change is a fundamental task for mobile robots. Optical flow information can be employed to estimate motion in the surroundings. Recently, unsupervised optical flow estimation has become a research…

计算机视觉与模式识别 · 计算机科学 2020-11-05 Hengli Wang , Rui Fan , Ming Liu

Empowered by transformer-based models, visual tracking has advanced significantly. However, the slow speed of current trackers limits their applicability on devices with constrained computational resources. To address this challenge, we…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Xiangyang Yang , Dan Zeng , Xucheng Wang , You Wu , Hengzhou Ye , Qijun Zhao , Shuiwang Li