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Related papers: What's Wrong with the Absolute Trajectory Error?

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This paper deals with the error analysis of a novel navigation algorithm that uses as input the sequence of images acquired from a moving camera and a Digital Terrain (or Elevation) Map (DTM/DEM). More specifically, it has been shown that…

Systems and Control · Computer Science 2013-04-29 Oleg Kupervasser , Alexander Rubinstein

Deep Neural Networks (DNNs) have achieved remarkable success in a variety of tasks, especially when it comes to prediction accuracy. However, in complex real-world scenarios, particularly in safety-critical applications, high accuracy alone…

Artificial Intelligence · Computer Science 2024-05-31 Han Liu , Peng Cui , Bingning Wang , Jun Zhu , Xiaolin Hu

Trajectory estimation of maneuvering objects is applied in numerous tasks like navigation, path planning and visual tracking. Many previous works get impressive results in the strictly controlled condition with accurate prior statistics and…

Information Theory · Computer Science 2020-07-02 Weipeng Li , Xiaogang Yang , Ruitao Lu , Jiwei Fan , Tao Zhang , Chuan He

Object 6D pose estimation is a fundamental task in many applications. Conventional methods solve the task by detecting and matching the keypoints, then estimating the pose. Recent efforts bringing deep learning into the problem mainly…

Computer Vision and Pattern Recognition · Computer Science 2021-02-25 Weitong Hua , Zhongxiang Zhou , Jun Wu , Huang Huang , Yue Wang , Rong Xiong

Motion blur in dynamic scenes is an important yet challenging research topic. Recently, deep learning methods have achieved impressive performance for dynamic scene deblurring. However, the motion information contained in a blurry image has…

Computer Vision and Pattern Recognition · Computer Science 2021-10-05 Youjian Zhang , Chaoyue Wang , Stephen J. Maybank , Dacheng Tao

We present an unsupervised deep neural network approach to the fusion of RGB-D imagery with inertial measurements for absolute trajectory estimation. Our network, dubbed the Visual-Inertial-Odometry Learner (VIOLearner), learns to perform…

Computer Vision and Pattern Recognition · Computer Science 2018-03-16 E. Jared Shamwell , Sarah Leung , William D. Nothwang

Pedestrian dead reckoning is a challenging task due to the low-cost inertial sensor error accumulation. Recent research has shown that deep learning methods can achieve impressive performance in handling this issue. In this letter, we…

Robotics · Computer Science 2022-06-09 Boxuan Chen , Ruifeng Zhang , Shaochu Wang , Liqiang Zhang , Yu Liu

Accurate actuation models are critical for bridging the gap between simulation and real robot behavior, yet obtaining high-fidelity actuator dynamics typically requires dedicated test stands and torque sensing. We present a trajectory-based…

Robotics · Computer Science 2026-04-17 Vyacheslav Kovalev , Ekaterina Chaikovskaia , Egor Davydenko , Roman Gorbachev

Absolute pose estimation is a fundamental problem in computer vision, and it is a typical parameter estimation problem, meaning that efforts to solve it will always suffer from outlier-contaminated data. Conventionally, for a fixed…

Computer Vision and Pattern Recognition · Computer Science 2019-12-17 Yinlong Liu , Xuechen Li , Manning Wang , Guang Chen , Zhijian Song , Alois Knoll

In this paper, we present a novel error measure to compare a segmentation against ground truth. This measure, which we call Tolerant Edit Distance (TED), is motivated by two observations: (1) Some errors, like small boundary shifts, are…

Computer Vision and Pattern Recognition · Computer Science 2016-02-02 Jan Funke , Francesc Moreno-Noguer , Albert Cardona , Matthew Cook

Camera rotation estimation from a single image is a challenging task, often requiring depth data and/or camera intrinsics, which are generally not available for in-the-wild videos. Although external sensors such as inertial measurement…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Aalok Patwardhan , Callum Rhodes , Gwangbin Bae , Andrew J. Davison

Recent analyses highlight challenges in autonomous vehicle technologies, particularly failures in decision-making under dynamic or emergency conditions. Traditional automated driving systems recalculate the entire trajectory in a changing…

Robotics · Computer Science 2024-08-21 Kailin Tong , Berin Dikic , Wenbo Xiao , Martin Steinberger , Martin Horn , Selim Solmaz

Decision-tree-based ensemble classification methods (DTEMs) are a prevalent tool for supervised anomaly detection. However, due to the continued growth of datasets, DTEMs result in increasing drawbacks such as growing memory footprints,…

Machine Learning · Computer Science 2020-01-10 Shay Vargaftik , Isaac Keslassy , Ariel Orda , Yaniv Ben-Itzhak

This work is concerned with camera pose estimation from correspondences of 3D/2D lines, i. e. with the Perspective-n-Line (PnL) problem. We focus on large line sets, which can be efficiently solved by methods using linear formulation of…

Computer Vision and Pattern Recognition · Computer Science 2017-05-16 Bronislav Přibyl , Pavel Zemčík , Martin Čadík

Explaining outliers occurrence and mechanism of their occurrence can be extremely important in a variety of domains. Malfunctions, frauds, threats, in addition to being correctly identified, oftentimes need a valid explanation in order to…

Absolute camera pose estimation is usually addressed by sequentially solving two distinct subproblems: First a feature matching problem that seeks to establish putative 2D-3D correspondences, and then a Perspective-n-Point problem that…

Computer Vision and Pattern Recognition · Computer Science 2021-03-15 Hugo Germain , Vincent Lepetit , Guillaume Bourmaud

In this paper, we propose a novel conceptual framework to detect outliers using optimal transport with a concave cost function. Conventional outlier detection approaches typically use a two-stage procedure: first, outliers are detected and…

Machine Learning · Statistics 2024-07-12 Jose Blanchet , Jiajin Li , Markus Pelger , Greg Zanotti

Radar sensors are emerging as solutions for perceiving surroundings and estimating ego-motion in extreme weather conditions. Unfortunately, radar measurements are noisy and suffer from mutual interference, which degrades the performance of…

Robotics · Computer Science 2023-03-06 Hyungtae Lim , Kawon Han , Gunhee Shin , Giseop Kim , Songcheol Hong , Hyun Myung

Unwanted nonlinear gamma distortion frequently occurs in a great diversity of images during the procedures of image acquisition, processing, and/or display. And the gamma distortion often varies with capture setup change and luminance…

Image and Video Processing · Electrical Eng. & Systems 2021-12-08 Yong Lee , Shaohua Zhang , Miao Li , Xiaoyu He

Diffusion models have shown remarkable success in visual synthesis, but have also raised concerns about potential abuse for malicious purposes. In this paper, we seek to build a detector for telling apart real images from…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Zhendong Wang , Jianmin Bao , Wengang Zhou , Weilun Wang , Hezhen Hu , Hong Chen , Houqiang Li
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