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Scene flow represents the 3D motion of each point in the scene, which explicitly describes the distance and the direction of each point's movement. Scene flow estimation is used in various applications such as autonomous driving fields,…

Computer Vision and Pattern Recognition · Computer Science 2022-09-13 Guangming Wang , Zhiheng Feng , Chaokang Jiang , Hesheng Wang

The success of deep learning in intelligent ship visual perception relies heavily on rich image data. However, dedicated datasets for inland waterway vessels remain scarce, limiting the adaptability of visual perception systems in complex…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Shanshan Wang , Haixiang Xu , Hui Feng , Xiaoqian Wang , Pei Song , Sijie Liu , Jianhua He

Multi-scale Vision Transformer (ViT) has emerged as a powerful backbone for computer vision tasks, while the self-attention computation in Transformer scales quadratically w.r.t. the input patch number. Thus, existing solutions commonly…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Ting Yao , Yingwei Pan , Yehao Li , Chong-Wah Ngo , Tao Mei

In the last decade, numerous supervised deep learning approaches requiring large amounts of labeled data have been proposed for visual-inertial odometry (VIO) and depth map estimation. To overcome the data limitation, self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2020-07-24 Yasin Almalioglu , Mehmet Turan , Alp Eren Sari , Muhamad Risqi U. Saputra , Pedro P. B. de Gusmão , Andrew Markham , Niki Trigoni

Transformer-based models have achieved strong performance in remote sensing image captioning by capturing long-range dependencies and contextual information. However, their practical deployment is hindered by high computational costs,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Swadhin Das , Divyansh Mundra , Priyanshu Dayal , Raksha Sharma

Monocular visual odometry consists of the estimation of the position of an agent through images of a single camera, and it is applied in autonomous vehicles, medical robots, and augmented reality. However, monocular systems suffer from the…

Computer Vision and Pattern Recognition · Computer Science 2023-01-09 André O. Françani , Marcos R. O. A. Maximo

Recent learning-based methods for event-based optical flow estimation utilize cost volumes for pixel matching but suffer from redundant computations and limited scalability to higher resolutions for flow refinement. In this work, we take…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Daikun Liu , Lei Cheng , Teng Wang , changyin Sun

We propose an image-based flow decomposition developed from the two-dimensional (2D) tensor empirical wavelet transform (EWT) (Gilles 2013). The idea is to decompose the instantaneous flow data, or its visualisation, adaptively according to…

Fluid Dynamics · Physics 2020-12-24 Jie Ren , Xuerui Mao , Song Fu

Drones are increasingly used in fields like industry, medicine, research, disaster relief, defense, and security. Technical challenges, such as navigation in GPS-denied environments, hinder further adoption. Research in visual odometry is…

Robotics · Computer Science 2024-04-30 Olivier Brochu Dufour , Abolfazl Mohebbi , Sofiane Achiche

To effectively mitigate the influence of atmospheric turbulence, a novel discrete-time analog transmission free-space optical (DTAT-FSO) communication scheme is proposed. It directly maps information sources to discrete-time analog symbols…

Signal Processing · Electrical Eng. & Systems 2025-04-30 Hongyu Huang , Zhenming Yu , Yi Lei , Wei Zhang , Yongli Zhao , Shanguo Huang , Kun Xu

Underwater instance segmentation is a fundamental and critical step in various underwater vision tasks. However, the decline in image quality caused by complex underwater environments presents significant challenges to existing segmentation…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Lianjun Liu

Visual odometry (VO) aims to estimate camera poses from visual inputs -- a fundamental building block for many applications such as VR/AR and robotics. This work focuses on monocular RGB VO where the input is a monocular RGB video without…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Junda Cheng , Zhipeng Cai , Zhaoxing Zhang , Wei Yin , Matthias Muller , Michael Paulitsch , Xin Yang

Successful visual navigation depends upon capturing images that contain sufficient useful information. In this letter, we explore a data-driven approach to account for environmental lighting changes, improving the quality of images for use…

Robotics · Computer Science 2022-07-12 Justin Tomasi , Brandon Wagstaff , Steven L. Waslander , Jonathan Kelly

We propose a self-supervised learning framework that uses unlabeled monocular video sequences to generate large-scale supervision for training a Visual Odometry (VO) frontend, a network which computes pointwise data associations across…

Computer Vision and Pattern Recognition · Computer Science 2018-12-11 Daniel DeTone , Tomasz Malisiewicz , Andrew Rabinovich

Visual Inertial Odometry (VIO) is a widely used computer vision method that determines an agent's movement through a camera and an IMU sensor. This paper presents an efficient and accurate VIO pipeline optimized for applications on micro-…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 Jonas Kühne , Christian Vogt , Michele Magno , Luca Benini

Pansharpening, a pivotal task in remote sensing for fusing high-resolution panchromatic and multispectral imagery, has garnered significant research interest. Recent advancements employing diffusion models based on stochastic differential…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Zihan Cao , Yu Zhong , Liang-Jian Deng

In autonomous driving, vision-centric 3D object detection recognizes and localizes 3D objects from RGB images. However, due to high annotation costs and diverse outdoor scenes, training data often fails to cover all possible test scenarios,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Hongbin Lin , Yiming Yang , Chaoda Zheng , Yifan Zhang , Shuaicheng Niu , Zilu Guo , Yafeng Li , Gui Gui , Shuguang Cui , Zhen Li

When employing underwater vehicles for the autonomous inspection of assets, it is crucial to consider and assess the water conditions. These conditions significantly impact visibility and directly affect robotic operations. Turbidity can…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Alexandre Cardaillac , Donald G. Dansereau

Studying the internal structure of complex samples with light is an important task, but a difficult challenge due to light scattering. While the complex optical distortions induced by multiple scattering can be effectively undone with the…

Optics · Physics 2019-10-04 Ori Katz , François Ramaz , Sylvain Gigan , Mathias Fink

Visual motion estimation is a well-studied challenge in autonomous navigation. Recent work has focused on addressing multimotion estimation in highly dynamic environments. These environments not only comprise multiple, complex motions but…

Robotics · Computer Science 2024-09-18 Kevin M. Judd , Jonathan D. Gammell
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