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相关论文: Optical-Flow based Self-Supervised Learning of Obs…

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Understanding the flow in 3D space of sparsely sampled points between two consecutive time frames is the core stone of modern geometric-driven systems such as VR/AR, Robotics, and Autonomous driving. The lack of real, non-simulated, labeled…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Bojun Ouyang , Dan Raviv

It has been recently shown that a convolutional neural network can learn optical flow estimation with unsupervised learning. However, the performance of the unsupervised methods still has a relatively large gap compared to its supervised…

计算机视觉与模式识别 · 计算机科学 2018-04-05 Yang Wang , Yi Yang , Zhenheng Yang , Liang Zhao , Peng Wang , Wei Xu

Scene flow estimation predicts the 3D motion at each point in successive LiDAR scans. This detailed, point-level, information can help autonomous vehicles to accurately predict and understand dynamic changes in their surroundings. Current…

计算机视觉与模式识别 · 计算机科学 2024-09-18 Qingwen Zhang , Yi Yang , Peizheng Li , Olov Andersson , Patric Jensfelt

Visual perception plays an important role in autonomous driving. One of the primary tasks is object detection and identification. Since the vision sensor is rich in color and texture information, it can quickly and accurately identify…

计算机视觉与模式识别 · 计算机科学 2022-12-23 Fei Liu , Zihao Lu , Xianke Lin

Optical flow estimation is a well-studied topic for automated driving applications. Many outstanding optical flow estimation methods have been proposed, but they become erroneous when tested in challenging scenarios that are commonly…

计算机视觉与模式识别 · 计算机科学 2023-01-12 Shihao Shen , Louis Kerofsky , Senthil Yogamani

Deep Learning based techniques have been adopted with precision to solve a lot of standard computer vision problems, some of which are image classification, object detection and segmentation. Despite the widespread success of these…

计算机视觉与模式识别 · 计算机科学 2016-11-21 Vikram Mohanty , Shubh Agrawal , Shaswat Datta , Arna Ghosh , Vishnu Dutt Sharma , Debashish Chakravarty

Obstacle detection plays an important role in unmanned surface vehicles (USV). The USVs operate in highly diverse environments in which an obstacle may be a floating piece of wood, a scuba diver, a pier, or a part of a shoreline, which…

计算机视觉与模式识别 · 计算机科学 2015-03-09 Matej Kristan , Vildana Sulic , Stanislav Kovacic , Janez Pers

State-of-the-art lidar-based 3D object detection methods rely on supervised learning and large labeled datasets. However, annotating lidar data is resource-consuming, and depending only on supervised learning limits the applicability of…

计算机视觉与模式识别 · 计算机科学 2022-07-20 Ekim Yurtsever , Emeç Erçelik , Mingyu Liu , Zhijie Yang , Hanzhen Zhang , Pınar Topçam , Maximilian Listl , Yılmaz Kaan Çaylı , Alois Knoll

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

Scene flow is the task of estimating 3D motion vectors to individual points of a dynamic 3D scene. Motion vectors have shown to be beneficial for downstream tasks such as action classification and collision avoidance. However, data…

计算机视觉与模式识别 · 计算机科学 2020-11-17 Victor Zuanazzi

This paper presents our method for enabling a UAV quadrotor, equipped with a monocular camera, to autonomously avoid collisions with obstacles in unstructured and unknown indoor environments. When compared to obstacle avoidance in ground…

机器人学 · 计算机科学 2019-11-20 Abhik Singla , Sindhu Padakandla , Shalabh Bhatnagar

This paper introduces a fully deep learning approach to monocular SLAM, which can perform simultaneous localization using a neural network for learning visual odometry (L-VO) and dense 3D mapping. Dense 2D flow and a depth image are…

机器人学 · 计算机科学 2018-07-26 Cheng Zhao , Li Sun , Pulak Purkait , Tom Duckett , Rustam Stolkin

We tackle the problem of estimating optical flow from a monocular camera in the context of autonomous driving. We build on the observation that the scene is typically composed of a static background, as well as a relatively small number of…

计算机视觉与模式识别 · 计算机科学 2016-08-24 Min Bai , Wenjie Luo , Kaustav Kundu , Raquel Urtasun

We introduce a way to learn to estimate a scene representation from a single image by predicting a low-dimensional subspace of optical flow for each training example, which encompasses the variety of possible camera and object movement.…

计算机视觉与模式识别 · 计算机科学 2022-10-28 Richard Strong Bowen , Richard Tucker , Ramin Zabih , Noah Snavely

Guaranteeing real-time and accurate object detection simultaneously is paramount in autonomous driving environments. However, the existing object detection neural network systems are characterized by a tradeoff between computation time and…

计算机视觉与模式识别 · 计算机科学 2022-09-30 Won Joon Yun , Soohyun Park , Joongheon Kim , David Mohaisen

Autonomous landing of Unmanned Aerial Vehicles (UAVs) in crowded scenarios is crucial for successful deployment of UAVs in populated areas, particularly in emergency landing situations where the highest priority is to avoid hurting people.…

机器人学 · 计算机科学 2022-03-01 Javier González-Trejo , Diego Mercado-Ravell , Israel Becerra , Rafael Murrieta-Cid

Self-supervised learning (SSL) is an emerging technique that has been successfully employed to train convolutional neural networks (CNNs) and graph neural networks (GNNs) for more transferable, generalizable, and robust representation…

计算机视觉与模式识别 · 计算机科学 2022-09-13 Prarthana Bhattacharyya , Chengjie Huang , Krzysztof Czarnecki

Reliable estimation of terrain traversability is critical for the successful deployment of autonomous systems in wild, outdoor environments. Given the lack of large-scale annotated datasets for off-road navigation, strictly-supervised…

机器人学 · 计算机科学 2024-03-19 Sanghun Jung , JoonHo Lee , Xiangyun Meng , Byron Boots , Alexander Lambert

Fixed-wing Unmanned Aerial Vehicles (UAVs) are one of the most commonly used platforms for the burgeoning Low-altitude Economy (LAE) and Urban Air Mobility (UAM), due to their long endurance and high-speed capabilities. Classical obstacle…

机器人学 · 计算机科学 2024-11-28 Haochen Chai , Meimei Su , Yang Lyu , Zhunga Liu , Chunhui Zhao , Quan Pan

Existing optical flow methods are erroneous in challenging scenes, such as fog, rain, and night because the basic optical flow assumptions such as brightness and gradient constancy are broken. To address this problem, we present an…

计算机视觉与模式识别 · 计算机科学 2023-06-13 Haipeng Li , Kunming Luo , Shuaicheng Liu