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This study presents a novel approach for roof detail extraction and vectorization using remote sensing images. Unlike previous geometric-primitive-based methods that rely on the detection of corners, our method focuses on edge detection as…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Qipeng Mei , Dimitri Bulatov , Dorota Iwaszczuk

In past few years we have observed an increase in the usage of RGBD sensors in mobile devices. These sensors provide a good estimate of the depth map for the camera frame, which can be used in numerous augmented reality applications. This…

Robotics · Computer Science 2021-10-22 Abhishek Tyagi , Yangwen Liang , Shuangquan Wang , Dongwoon Bai

Moving objects can greatly jeopardize the performance of a visual simultaneous localization and mapping (vSLAM) system which relies on the static-world assumption. Motion removal have seen successful on solving this problem. Two main…

Robotics · Computer Science 2019-08-01 Ting Sun , Yuxiang Sun , Ming Liu , Dit-Yan Yeung

We propose to leverage the local information in image sequences to support global camera relocalization. In contrast to previous methods that regress global poses from single images, we exploit the spatial-temporal consistency in sequential…

Computer Vision and Pattern Recognition · Computer Science 2019-08-14 Fei Xue , Xin Wang , Zike Yan , Qiuyuan Wang , Junqiu Wang , Hongbin Zha

Segmentation of retinal layers from Optical Coherence Tomography (OCT) volumes is a fundamental problem for any computer aided diagnostic algorithm development. This requires preprocessing steps such as denoising, region of interest…

Computer Vision and Pattern Recognition · Computer Science 2018-06-26 Karthik Gopinath , Samrudhdhi B Rangrej , Jayanthi Sivaswamy

Visual-inertial odometry (VIO) is widely used in various fields, such as robots, drones, and autonomous vehicles. However, real-world scenes often feature dynamic objects, compromising the accuracy of VIO. The diversity and partial…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Rui Zhou , Jingbin Liu , Junbin Xie , Jianyu Zhang , Yingze Hu , Jiele Zhao

Leveraging line features can help to improve the localization accuracy of point-based monocular Visual-Inertial Odometry (VIO) system, as lines provide additional constraints. Moreover, in an artificial environment, some straight lines are…

Robotics · Computer Science 2022-01-14 Bo Xu , Peng Wang , Yijia He , Yu Chen , Yongnan Chen , Ming Zhou

Visual-inertial odometry (VIO) has demonstrated remarkable success due to its low-cost and complementary sensors. However, existing VIO methods lack the generalization ability to adjust to different environments and sensor attributes. In…

Robotics · Computer Science 2024-05-28 Youqi Pan , Wugen Zhou , Yingdian Cao , Hongbin Zha

Deep learning-based Visual SLAM (vSLAM) systems exhibit exceptional geometric reasoning capabilities, yet their prohibitive computational overhead severely restricts deployment on resource-constrained autonomous platforms. This paper…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Cheng Liao

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

Camera-captured document images often suffer from geometric distortions caused by paper deformation, perspective distortion, and lens aberrations, significantly reducing OCR accuracy. This study develops an efficient automated method for…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Valery Istomin , Oleg Pereziabov , Ilya Afanasyev

This paper presents a novel visual-LiDAR odometry and mapping method with low-drift characteristics. The proposed method is based on two popular approaches, ORB-SLAM and A-LOAM, with monocular scale correction and visual-bootstrapped LiDAR…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Hanyu Cai , Ni Ou , Junzheng Wang

This paper presents a method for optimizing object detection models by combining weight pruning and singular value decomposition (SVD). The proposed method was evaluated on a custom dataset of street work images obtained from…

Computer Vision and Pattern Recognition · Computer Science 2023-03-20 Dohyun Ham , Jaeyeop Jeong , June-Kyoo Park , Raehyeon Jeong , Seungmin Jeon , Hyeongjun Jeon , Yewon Lim

Automatic segmentation of vestibular schwannoma (VS) tumors from magnetic resonance imaging (MRI) would facilitate efficient and accurate volume measurement to guide patient management and improve clinical workflow. The accuracy and…

Image and Video Processing · Electrical Eng. & Systems 2019-10-22 Guotai Wang , Jonathan Shapey , Wenqi Li , Reuben Dorent , Alex Demitriadis , Sotirios Bisdas , Ian Paddick , Robert Bradford , Sebastien Ourselin , Tom Vercauteren

This paper reports on a robust RGB-D SLAM system that performs well in scarcely textured and structured environments. We present a novel keyframe-based continuous visual odometry that builds on the recently developed continuous sensor…

Robotics · Computer Science 2019-12-04 Xi Lin , Dingyi Sun , Tzu-Yuan Lin , Ryan M. Eustice , Maani Ghaffari

Convolutional Neural Networks (CNNs) are nowadays often employed in vision-based perception stacks for safetycritical applications such as autonomous driving or Unmanned Aerial Vehicles (UAVs). Due to the safety requirements in those use…

Computer Vision and Pattern Recognition · Computer Science 2022-09-02 Yannik Blei , Nicolas Jourdan , Nils Gählert

Deep learning techniques have significantly advanced in providing accurate visual odometry solutions by leveraging large datasets. However, generating uncertainty estimates for these methods remains a challenge. Traditional sensor fusion…

Robotics · Computer Science 2024-03-21 Jagatpreet Singh Nir , Dennis Giaya , Hanumant Singh

Object detection performance, as measured on the canonical PASCAL VOC dataset, has plateaued in the last few years. The best-performing methods are complex ensemble systems that typically combine multiple low-level image features with…

Computer Vision and Pattern Recognition · Computer Science 2014-10-23 Ross Girshick , Jeff Donahue , Trevor Darrell , Jitendra Malik

Traditional LiDAR odometry (LO) systems mainly leverage geometric information obtained from the traversed surroundings to register laser scans and estimate LiDAR ego-motion, while it may be unreliable in dynamic or unstructured…

Robotics · Computer Science 2022-09-14 Shuaixin Li , Bin Tian , Zhu Xiaozhou , Gui Jianjun , Yao Wen , Guangyun Li

Omnidirectional 360{\deg} camera proliferates rapidly for autonomous robots since it significantly enhances the perception ability by widening the field of view(FoV). However, corresponding 360{\deg} depth sensors, which are also critical…

Computer Vision and Pattern Recognition · Computer Science 2020-07-06 Xinjing Cheng , Peng Wang , Yanqi Zhou , Chenye Guan , Ruigang Yang
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