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Visual-Inertial Odometry (VIO) is a staple for reliable state estimation on constrained and lightweight platforms due to its versatility and demonstrated performance. However, pertinent challenges regarding robust operation in dark,…

机器人学 · 计算机科学 2026-03-26 Morten Nissov , Mohit Singh , Kostas Alexis

Breakthroughs in visual odometry (VO) have fundamentally reshaped the landscape of robotics, enabling ultra-precise camera state estimation that is crucial for modern autonomous systems. Despite these advances, many learning-based VO…

计算机视觉与模式识别 · 计算机科学 2026-01-26 Chi-Yao Huang , Zeel Bhatt , Yezhou Yang

Building vehicles capable of operating without human supervision requires the determination of the agent's pose. Visual Odometry (VO) algorithms estimate the egomotion using only visual changes from the input images. The most recent VO…

机器人学 · 计算机科学 2021-07-08 Iury Cleveston , Esther L. Colombini

This paper presents a novel approach to underwater terrain mapping for Autonomous Underwater Vehicles (AUVs) operating in close proximity to complex 3D environments. The proposed methodology creates a probabilistic elevation map of the…

机器人学 · 计算机科学 2020-03-24 Bilal Arain , Feras Dayoub , Paul Rigby , Matthew Dunbabin

Self-supervised deep learning-based 3D scene understanding methods can overcome the difficulty of acquiring the densely labeled ground-truth and have made a lot of advances. However, occlusions and moving objects are still some of the major…

计算机视觉与模式识别 · 计算机科学 2021-10-25 Jiaojiao Fang , Guizhong Liu

This paper presents an self-supervised deep learning network for monocular visual inertial odometry (named DeepVIO). DeepVIO provides absolute trajectory estimation by directly merging 2D optical flow feature (OFF) and Inertial Measurement…

机器人学 · 计算机科学 2019-07-01 Liming Han , Yimin Lin , Guoguang Du , Shiguo Lian

One of the primary goals of coastal water quality monitoring is to characterize spatial variation. Generally, this monitoring takes place at a limited number of fixed sampling points. The alternative sampling methodology explored in this…

应用统计 · 统计学 2015-04-07 Joseph Stachelek , Christopher J. Madden

We present a framework for learning multimodal representations from unlabeled data using convolution-free Transformer architectures. Specifically, our Video-Audio-Text Transformer (VATT) takes raw signals as inputs and extracts multimodal…

计算机视觉与模式识别 · 计算机科学 2021-12-08 Hassan Akbari , Liangzhe Yuan , Rui Qian , Wei-Hong Chuang , Shih-Fu Chang , Yin Cui , Boqing Gong

Odometry on aerial robots has to be of low latency and high robustness whilst also respecting the Size, Weight, Area and Power (SWAP) constraints as demanded by the size of the robot. A combination of visual sensors coupled with Inertial…

计算机视觉与模式识别 · 计算机科学 2020-06-15 Nitin J. Sanket , Chahat Deep Singh , Cornelia Fermüller , Yiannis Aloimonos

Data-driven visual odometry (VO) is a critical subroutine for autonomous edge robotics, and recent progress in the field has produced highly accurate point predictions in complex environments. However, emerging autonomous edge robotics…

计算机视觉与模式识别 · 计算机科学 2023-03-07 Alex C. Stutts , Danilo Erricolo , Theja Tulabandhula , Amit Ranjan Trivedi

Traditional monocular direct visual odometry (DVO) is one of the most famous methods to estimate the ego-motion of robots and map environments from images simultaneously. However, DVO heavily relies on high-quality images and accurate…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Chaoqiang Zhao , Yang Tang , Qiyu Sun , Athanasios V. Vasilakos

With the success of deep learning based approaches in tackling challenging problems in computer vision, a wide range of deep architectures have recently been proposed for the task of visual odometry (VO) estimation. Most of these proposed…

机器人学 · 计算机科学 2018-04-16 Ganesh Iyer , J. Krishna Murthy , Gunshi Gupta , K. Madhava Krishna , Liam Paull

We address unsupervised optical flow estimation for ego-centric motion. We argue that optical flow can be cast as a geometrical warping between two successive video frames and devise a deep architecture to estimate such transformation in…

计算机视觉与模式识别 · 计算机科学 2017-10-31 Stefano Alletto , Davide Abati , Simone Calderara , Rita Cucchiara , Luca Rigazio

Underwater scenes intrinsically involve degradation problems owing to heterogeneous ocean elements. Prevailing underwater image enhancement (UIE) methods stick to straightforward feature modeling to learn the mapping function, which leads…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Zhixiong Huang , Xinying Wang , Chengpei Xu , Jinjiang Li , Lin Feng

Robotic underwater systems, e.g., Autonomous Underwater Vehicles (AUVs) and Remotely Operated Vehicles (ROVs), are promising tools for collecting biogeochemical data at the ice-water interface for scientific advancements. However, state…

机器人学 · 计算机科学 2023-08-11 Lin Zhao , Mingxi Zhou , Brice Loose

Autonomous underwater vehicles (AUV) are commonly used in many underwater applications. Usually, inertial sensors and Doppler velocity log readings are used in a nonlinear filter to estimate the AUV navigation solution. The process noise…

机器人学 · 计算机科学 2024-10-28 Barak Or , Itzik Klein

Vessel segmentation is an essential task in many clinical applications. Although supervised methods have achieved state-of-art performance, acquiring expert annotation is laborious and mostly limited for two-dimensional datasets with a…

图像与视频处理 · 电气工程与系统科学 2021-07-23 Rohit Jena , Sumedha Singla , Kayhan Batmanghelich

In this paper, we introduce the novel state-of-the-art Dual-attention Transformer and Discriminative Flow (DADF) framework for visual anomaly detection. Based on only normal knowledge, visual anomaly detection has wide applications in…

计算机视觉与模式识别 · 计算机科学 2023-04-03 Haiming Yao , Wei Luo , Wenyong Yu

Bird's-Eye-View (BEV) representation offers a metric-scaled planar workspace, facilitating the simplification of 6-DoF ego-motion to a more robust 3-DoF model for monocular visual odometry (MVO) in intelligent transportation systems.…

机器人学 · 计算机科学 2025-09-19 Yufei Wei , Wangtao Lu , Sha Lu , Chenxiao Hu , Fuzhang Han , Rong Xiong , Yue Wang

The performance of a wavelet-based optical flow velocimetry (wOFV) algorithm to extract high accuracy and high resolution velocity fields from particle images in wall-bounded turbulent flows is assessed. wOFV is first evaluated using…

流体动力学 · 物理学 2023-10-09 Alexander Nicolas , Florian Zentgraf , Mark Linne , Andreas Dreizler , Brian Peterson