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An Experimental Evaluation Of Learning Based Methods For Loop Closure Detection In Simultaneous Localization And Mapping
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Book Synopsis An Experimental Evaluation of Learning-based Methods for Loop Closure Detection in Simultaneous Localization and Mapping by : Luis Fernando Herrera Arias
Download or read book An Experimental Evaluation of Learning-based Methods for Loop Closure Detection in Simultaneous Localization and Mapping written by Luis Fernando Herrera Arias and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Simultaneous Localization and Mapping (SLAM) is the capability to estimate a robot's trajectory in an initially unknown environment while reconstructing the geometry of the environment. In order to bound the accumulation of localization error in SLAM, it is crucial to recognize previously seen locations, a process called "loop closure." This allows the robot to make corrections to its localization and map estimates. This project evaluates ORB feature extraction and matching, a state-of-the-art technique to detect loop closures, against recently developed learning-based approaches. In particular, our first contribution is to benchmark established techniques based on hand-crafted descriptor matching against novel learning-based approaches based on neural networks (i.e., SuperPoint and SuperGlue). As a second contribution, we integrate a learning-based loop closure detection method as part of Kimera, a SLAM system, and demonstrate its performance in both simulated and real benchmarking datasets. Finally, we collect data on long trajectories using a Jackal robot to compare the different approaches on real-world situations beyond available datasets. Our evaluation shows that, while learning-based approaches detect many more loop closures across wider baselines, when integrated in a SLAM system, they do not lead to substantial performance improvements compared to standard ORB feature matching
Book Synopsis Methods for Appearance-based Loop Closure Detection by : Emilio Garcia-Fidalgo
Download or read book Methods for Appearance-based Loop Closure Detection written by Emilio Garcia-Fidalgo and published by Springer. This book was released on 2018-03-14 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mapping and localization are two essential tasks in autonomous mobile robotics. Due to the unavoidable noise that sensors present, mapping algorithms usually rely on loop closure detection techniques, which entail the correct identification of previously seen places to reduce the uncertainty of the resulting maps. This book deals with the problem of generating topological maps of the environment using efficient appearance-based loop closure detection techniques. Since the quality of a visual loop closure detection algorithm is related to the image description method and its ability to index previously seen images, several methods for loop closure detection adopting different approaches are developed and assessed. Then, these methods are used in three novel topological mapping algorithms. The results obtained indicate that the solutions proposed attain a better performance than several state-of-the-art approaches. To conclude, given that loop closure detection is also a key component in other research areas, a multi-threaded image mosaicing algorithm is proposed. This approach makes use of one of the loop closure detection techniques previously introduced in order to find overlapping pairs between images and finally obtain seamless mosaics of different environments in a reasonable amount of time.
Book Synopsis Classified Object Localization in Slam and Loop Closure Through Reinforcement Learning by : Asif Iqbal
Download or read book Classified Object Localization in Slam and Loop Closure Through Reinforcement Learning written by Asif Iqbal and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Maps generated by many visual Simultaneous Localization and Mapping (SLAM) algorithms consist of geometric primitives such as points, lines or planes. These maps offer a topographic representation of the environment, but they lack semantic information about the scene and objects in the environment. Object classifiers leveraging advances in machine learning are highly accurate and reliable, capable of detecting and classifying thousands of objects. Classifiers can be incorporated into a SLAM pipeline to add semantic information to a scene. Frequently, this semantic information is conducted for each frame of the image, but semantic labeling is not persistent over time. Another element of SLAM is loop closure, which determines previously visited locations in the trajectory generated during the mapping and localization process. Identifying these loops in the trajectory is challenging due to the changes of viewing angles, illumination and environmental dynamics etc. In this dissertation, we introduce two novel approaches to address these problems. First, we present a non-parametric statistical approach to perform association/matching between detected objects over consecutive image frames. An unsupervised clustering method then localizes these associated classified objects in accrued map. We test our approach on several public data sets and our own data-set, which shows promising results in terms of objects correctly associated from frame to frame and localization of the existing objects in the map. We also have tested our algorithm on three data sets in our lab environment using tag markers to demonstrate the accuracy of classified object localization process. Second, we present a solution to the loop closure problem based on deep reinforcement learning. The framework is a reward-driven optimization process to learn loop closure detection. We demonstrate the framework in a simulated grid environment that generates data for a learning agent. The agent learns from data to perform loop closure in different environments. We demonstrate our results based on the rewards from the simulation and correct loop closure detection, and show that our outcomes are comparable to traditional loop-closure methods.
Book Synopsis Robotics, Computer Vision and Intelligent Systems by : Joaquim Filipe
Download or read book Robotics, Computer Vision and Intelligent Systems written by Joaquim Filipe and published by Springer Nature. This book was released on with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Intelligent Robotics and Applications by : Haibin Yu
Download or read book Intelligent Robotics and Applications written by Haibin Yu and published by Springer. This book was released on 2019-08-01 with total page 743 pages. Available in PDF, EPUB and Kindle. Book excerpt: The volume set LNAI 11740 until LNAI 11745 constitutes the proceedings of the 12th International Conference on Intelligent Robotics and Applications, ICIRA 2019, held in Shenyang, China, in August 2019. The total of 378 full and 25 short papers presented in these proceedings was carefully reviewed and selected from 522 submissions. The papers are organized in topical sections as follows: Part I: collective and social robots; human biomechanics and human-centered robotics; robotics for cell manipulation and characterization; field robots; compliant mechanisms; robotic grasping and manipulation with incomplete information and strong disturbance; human-centered robotics; development of high-performance joint drive for robots; modular robots and other mechatronic systems; compliant manipulation learning and control for lightweight robot. Part II: power-assisted system and control; bio-inspired wall climbing robot; underwater acoustic and optical signal processing for environmental cognition; piezoelectric actuators and micro-nano manipulations; robot vision and scene understanding; visual and motional learning in robotics; signal processing and underwater bionic robots; soft locomotion robot; teleoperation robot; autonomous control of unmanned aircraft systems. Part III: marine bio-inspired robotics and soft robotics: materials, mechanisms, modelling, and control; robot intelligence technologies and system integration; continuum mechanisms and robots; unmanned underwater vehicles; intelligent robots for environment detection or fine manipulation; parallel robotics; human-robot collaboration; swarm intelligence and multi-robot cooperation; adaptive and learning control system; wearable and assistive devices and robots for healthcare; nonlinear systems and control. Part IV: swarm intelligence unmanned system; computational intelligence inspired robot navigation and SLAM; fuzzy modelling for automation, control, and robotics; development of ultra-thin-film, flexible sensors, and tactile sensation; robotic technology for deep space exploration; wearable sensing based limb motor function rehabilitation; pattern recognition and machine learning; navigation/localization. Part V: robot legged locomotion; advanced measurement and machine vision system; man-machine interactions; fault detection, testing and diagnosis; estimation and identification; mobile robots and intelligent autonomous systems; robotic vision, recognition and reconstruction; robot mechanism and design. Part VI: robot motion analysis and planning; robot design, development and control; medical robot; robot intelligence, learning and linguistics; motion control; computer integrated manufacturing; robot cooperation; virtual and augmented reality; education in mechatronics engineering; robotic drilling and sampling technology; automotive systems; mechatronics in energy systems; human-robot interaction.
Book Synopsis Online Appearance-Based Place Recognition and Mapping by : Konstantinos A. Tsintotas
Download or read book Online Appearance-Based Place Recognition and Mapping written by Konstantinos A. Tsintotas and published by Springer Nature. This book was released on 2022-09-01 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces several appearance-based place recognition pipelines based on different mapping techniques for addressing loop-closure detection in mobile platforms with limited computational resources. The motivation behind this book has been the prospect that in many contemporary applications efficient methods are needed that can provide high performance under run-time and memory constraints. Thus, three different mapping techniques for addressing the task of place recognition for simultaneous localization and mapping (SLAM) are presented. The book at hand follows a tutorial-based structure describing each of the main parts needed for a loop-closure detection pipeline to facilitate the newcomers. It mainly goes through a historical review of the problem, focusing on how it was addressed during the years reaching the current age. This way, the reader is initially familiarized with each part while the place recognition paradigms follow.
Book Synopsis ROBOT2022: Fifth Iberian Robotics Conference by : Danilo Tardioli
Download or read book ROBOT2022: Fifth Iberian Robotics Conference written by Danilo Tardioli and published by Springer Nature. This book was released on 2022-11-18 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains a selection of papers accepted for presentation and discussion at ROBOT 2022—Fifth Iberian Robotics Conference, held in Zaragoza, Spain, on November 23-25, 2022. ROBOT 2022 is part of a series of conferences that are a joint organization of SEIDROB—Sociedad Española para la Investigación y Desarrollo en Robótica/Spanish Society for Research and Development in Robotics, and SPR—Sociedade Portuguesa de Robótica/Portuguese Society for Robotic. ROBOT 2022 builds upon several previous successful events, including three biennial workshops and the four previous editions of the Iberian Robotics Conference, and is focused on presenting the research and development of new applications, on the field of Robotics, in the Iberian Peninsula, although open to research and delegates from other countries. ROBOT 2022 featured four plenary talks on state-of-the-art subjects on robotics and 15 special sessions, plus a main/general robotics track. In total, after a careful review process, 98 high-quality papers were selected for publication, with a total of 219 unique authors, from 22 countries.
Download or read book FastSLAM written by Michael Montemerlo and published by Springer. This book was released on 2007-04-27 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph describes a new family of algorithms for the simultaneous localization and mapping (SLAM) problem in robotics, called FastSLAM. The FastSLAM-type algorithms have enabled robots to acquire maps of unprecedented size and accuracy, in a number of robot application domains and have been successfully applied in different dynamic environments, including a solution to the problem of people tracking.
Book Synopsis Artificial Neural Networks and Machine Learning - ICANN 2011 by : Timo Honkela
Download or read book Artificial Neural Networks and Machine Learning - ICANN 2011 written by Timo Honkela and published by Springer. This book was released on 2011-06-13 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: This two volume set LNCS 6791 and LNCS 6792 constitutes the refereed proceedings of the 21th International Conference on Artificial Neural Networks, ICANN 2011, held in Espoo, Finland, in June 2011. The 106 revised full or poster papers presented were carefully reviewed and selected from numerous submissions. ICANN 2011 had two basic tracks: brain-inspired computing and machine learning research, with strong cross-disciplinary interactions and applications.
Book Synopsis Probabilistic Robotics by : Sebastian Thrun
Download or read book Probabilistic Robotics written by Sebastian Thrun and published by MIT Press. This book was released on 2005-08-19 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt: An introduction to the techniques and algorithms of the newest field in robotics. Probabilistic robotics is a new and growing area in robotics, concerned with perception and control in the face of uncertainty. Building on the field of mathematical statistics, probabilistic robotics endows robots with a new level of robustness in real-world situations. This book introduces the reader to a wealth of techniques and algorithms in the field. All algorithms are based on a single overarching mathematical foundation. Each chapter provides example implementations in pseudo code, detailed mathematical derivations, discussions from a practitioner's perspective, and extensive lists of exercises and class projects. The book's Web site, www.probabilistic-robotics.org, has additional material. The book is relevant for anyone involved in robotic software development and scientific research. It will also be of interest to applied statisticians and engineers dealing with real-world sensor data.
Book Synopsis Introduction to Visual SLAM by : Xiang Gao
Download or read book Introduction to Visual SLAM written by Xiang Gao and published by Springer Nature. This book was released on 2021-09-28 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a systematic and comprehensive introduction to the visual simultaneous localization and mapping (vSLAM) technology, which is a fundamental and essential component for many applications in robotics, wearable devices, and autonomous driving vehicles. The book starts from very basic mathematic background knowledge such as 3D rigid body geometry, the pinhole camera projection model, and nonlinear optimization techniques, before introducing readers to traditional computer vision topics like feature matching, optical flow, and bundle adjustment. The book employs a light writing style, instead of the rigorous yet dry approach that is common in academic literature. In addition, it includes a wealth of executable source code with increasing difficulty to help readers understand and use the practical techniques. The book can be used as a textbook for senior undergraduate or graduate students, or as reference material for researchers and engineers in related areas.
Book Synopsis Simultaneous Localization and Mapping by : Zhan Wang
Download or read book Simultaneous Localization and Mapping written by Zhan Wang and published by World Scientific. This book was released on 2011 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: Simultaneous localization and mapping (SLAM) is a process where an autonomous vehicle builds a map of an unknown environment while concurrently generating an estimate for its location. This book is concerned with computationally efficient solutions to the large scale SLAM problems using exactly sparse Extended Information Filters (EIF). The invaluable book also provides a comprehensive theoretical analysis of the properties of the information matrix in EIF-based algorithms for SLAM. Three exactly sparse information filters for SLAM are described in detail, together with two efficient and exact methods for recovering the state vector and the covariance matrix. Proposed algorithms are extensively evaluated both in simulation and through experiments.
Book Synopsis Ant Colony Optimization by : Marco Dorigo
Download or read book Ant Colony Optimization written by Marco Dorigo and published by MIT Press. This book was released on 2004-06-04 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: An overview of the rapidly growing field of ant colony optimization that describes theoretical findings, the major algorithms, and current applications. The complex social behaviors of ants have been much studied by science, and computer scientists are now finding that these behavior patterns can provide models for solving difficult combinatorial optimization problems. The attempt to develop algorithms inspired by one aspect of ant behavior, the ability to find what computer scientists would call shortest paths, has become the field of ant colony optimization (ACO), the most successful and widely recognized algorithmic technique based on ant behavior. This book presents an overview of this rapidly growing field, from its theoretical inception to practical applications, including descriptions of many available ACO algorithms and their uses. The book first describes the translation of observed ant behavior into working optimization algorithms. The ant colony metaheuristic is then introduced and viewed in the general context of combinatorial optimization. This is followed by a detailed description and guide to all major ACO algorithms and a report on current theoretical findings. The book surveys ACO applications now in use, including routing, assignment, scheduling, subset, machine learning, and bioinformatics problems. AntNet, an ACO algorithm designed for the network routing problem, is described in detail. The authors conclude by summarizing the progress in the field and outlining future research directions. Each chapter ends with bibliographic material, bullet points setting out important ideas covered in the chapter, and exercises. Ant Colony Optimization will be of interest to academic and industry researchers, graduate students, and practitioners who wish to learn how to implement ACO algorithms.
Book Synopsis Experimental Evaluation of a Concurrent Checkpointing Algorithm by : Sang Hyuk Son
Download or read book Experimental Evaluation of a Concurrent Checkpointing Algorithm written by Sang Hyuk Son and published by . This book was released on 1990 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Pattern Recognition written by Axel Pinz and published by Springer. This book was released on 2012-08-14 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the 34th Symposium of the German Association for Pattern Recognition, DAGM 2012, and the 36th Symposium of the Austrian Association for Pattern Recognition, OAGM 2012, held in Graz, Austria, in August 2012. The 27 revised full papers and 23 revised poster papers were carefully reviewed and selected from 98 submissions. The papers are organized in topical sections on segmentation, low-level vision, 3D reconstruction, recognition, applications, learning, and features.
Book Synopsis Advances in Harmony Search, Soft Computing and Applications by : Joong Hoon Kim
Download or read book Advances in Harmony Search, Soft Computing and Applications written by Joong Hoon Kim and published by Springer Nature. This book was released on 2019-09-20 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses various aspects of real-world applications of optimization algorithms, presenting insights from the 5th International Conference on Harmony Search, Soft Computing and Applications, held at Kunming, China on July 20–22, 2019. The book focuses on the recent advances in soft computing techniques such as harmony search, PSO and DE and their application to solve engineering problems. Presenting research on various real-world engineering problems concerning crowd evacuation strategies, adaptive learning systems, economic impact analysis, cyber-attack detection, urban drainage systems, water management models, feature selection and inventory systems, it is a valuable resource for researchers wanting a state-of-the-art overview of the latest advances in soft computing and related areas.
Book Synopsis 2016 International Symposium on Experimental Robotics by : Dana Kulić
Download or read book 2016 International Symposium on Experimental Robotics written by Dana Kulić and published by Springer. This book was released on 2017-03-20 with total page 858 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experimental Robotics XV is the collection of papers presented at the International Symposium on Experimental Robotics, Roppongi, Tokyo, Japan on October 3-6, 2016. 73 scientific papers were selected and presented after peer review. The papers span a broad range of sub-fields in robotics including aerial robots, mobile robots, actuation, grasping, manipulation, planning and control and human-robot interaction, but shared cutting-edge approaches and paradigms to experimental robotics. The readers will find a breadth of new directions of experimental robotics. The International Symposium on Experimental Robotics is a series of bi-annual symposia sponsored by the International Foundation of Robotics Research, whose goal is to provide a forum dedicated to experimental robotics research. Robotics has been widening its scientific scope, deepening its methodologies and expanding its applications. However, the significance of experiments remains and will remain at the center of the discipline. The ISER gatherings are a venue where scientists can gather and talk about robotics based on this central tenet.
