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Journal articles on the topic 'Robotic 3D Scanning'

Author: Grafiati

Published: 4 June 2021

Last updated: 2 February 2022

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1

Nicholas, Paul, Gabriella Rossi, Ella Williams, Michael Bennett, and Tim Schork. "Integrating real-time multi-resolution scanning and machine learning for Conformal Robotic 3D Printing in Architecture." International Journal of Architectural Computing 18, no. 4 (2020): 371–84. http://dx.doi.org/10.1177/1478077120948203.

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Robotic 3D printing applications are rapidly growing in architecture, where they enable the introduction of new materials and bespoke geometries. However, current approaches remain limited to printing on top of a flat build bed. This limits robotic 3D printing’s impact as a sustainable technology: opportunities to customize or enhance existing elements, or to utilize complex material behaviour are missed. This paper addresses the potentials of conformal 3D printing and presents a novel and robust workflow for printing onto unknown and arbitrarily shaped 3D substrates. The workflow combines dua

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Aslan, Gökhan, E. �°, lhan Konukseven, and A. Buğra Koku. "Design and implementation of a 3D scanning platform for mobile robotic applications." International Journal of Design Engineering 5, no. 4 (2014): 358. http://dx.doi.org/10.1504/ijde.2014.067078.

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Fritsche, Paul, and Bernardo Wagner. "Evaluation of a Novel Radar Based Scanning Method." Journal of Sensors 2016 (2016): 1–10. http://dx.doi.org/10.1155/2016/6952075.

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The following paper introduces a novel scanning method for mapping and localization purposes in mobile robotics. Our method is based on a rotating monostatic radar network, which determines the positions of objects around the scanner via a continuously running lateration algorithm. The estimation of surfaces with ultrawideband radar networks has been studied experimentally in lab environments, especially with lateration, envelopes of spheres, and SEABED algorithms. But we do not see a link to the field of mapping and localization of mobile robots, where laser scanners are dominating. Indeed, o

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Burghardt, Andrzej, Krzysztof Kurc, and Dariusz Szybicki. "Robotic Automation of the Turbo-Propeller Engine Blade Grinding Process." Applied Mechanics and Materials 817 (January 2016): 206–13. http://dx.doi.org/10.4028/www.scientific.net/amm.817.206.

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Robotic automation of industrial processes in terms of the adaptation of the robot path to changing external conditions has recently been one of the main subjects of research and implementation studies. The presented study involved trailing plane grinding the turbine blades. The suggested automated station comprises an IRB 140 robot handling the processed element, grinding tool and an IRB 1600 robot with a 3D scanning head installed. The presented robotic automation solutions may be used for finishing operations on blades constituting elements of aircraft engines, power generating turbines and

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Leung, Keith, Daniel Lühr, Hamidreza Houshiar, et al. "Chilean underground mine dataset." International Journal of Robotics Research 36, no. 1 (2017): 16–23. http://dx.doi.org/10.1177/0278364916679497.

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This article presents a robotic dataset collected from the largest underground copper mine in the world. The sensor measurements from a 3D scanning lidar, a 2D radar, and stereo cameras were recorded from an approximately two kilometer traverse of a production-active tunnel. The equipment used and the data collection process is discussed in detail, along with the format of the data. This dataset is suitable for research in robotic navigation, as well as simultaneous localization and mapping. The download instructions are available at the following website http://dataset.amtc.cl .

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Njaastad, Eirik B., Geir Ole Tysse, and Olav Egeland. "Residual vibration control for robotic 3D scanning with application to inspection of marine propellers." Modeling, Identification and Control: A Norwegian Research Bulletin 42, no. 2 (2021): 83–98. http://dx.doi.org/10.4173/mic.2021.2.3.

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Pradeep, Yazhini Chitra, Sheng Feng Zhou, Audelia G. Dharmawan, Kevin Otto, I. Ming Chen, and Peter Chen. "A Framework of In Situ Model Error Compensation for Adaptive Robotic Task Execution." Applied Mechanics and Materials 789-790 (September 2015): 675–80. http://dx.doi.org/10.4028/www.scientific.net/amm.789-790.675.

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In precision robotic applications, inaccuracy in workpiece geometry has been a common problem to the precise processing of the workpiece. Due to manufacturing defects and workpiece deformation, the actual geometry of the workpiece deviates from its nominal 3D CAD model which is defined as model error. For many of the existing industrial robotic applications today, the robot path for processing the workpiece is planned based on the nominal 3D CAD model of the workpiece. Hence, the model error of the workpiece leads to error in the robot path planning eventually inducing inaccurate processing. T

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Lepej, P., M. Lakota, and J. Rakun. "Robotic real-time 3D object reconstruction using multiple laser range finders." Advances in Animal Biosciences 8, no. 2 (2017): 183–88. http://dx.doi.org/10.1017/s2040470017001157.

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An accurate 3D model of an outdoor scene can be used in many different scenarios of precision agriculture, for instance to analyse the silhouette of a tree crown canopy for precision spraying, to count fruit for fruit yield prediction or to simply navigate a vehicle between the plant rows. Instead of using stereovision, limited by the problems of different light intensities, or by using expensive multi-channel 3D range finder (LIDAR scanner), limited by the number of channels, this work investigates the possibility of using two single channel LIDAR scanners mounted on a small robot to allow a

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Chen, Liang-Chia, Dinh-Cuong Hoang, Hsien-I. Lin, and Thanh-Hung Nguyen. "Innovative Methodology for Multi-View Point Cloud Registration in Robotic 3D Object Scanning and Reconstruction." Applied Sciences 6, no. 5 (2016): 132. http://dx.doi.org/10.3390/app6050132.

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Alontseva, Darya L., Elaheh Ghassemieh, Alexander L. Krasavin, and Albina T. Kadyroldina. "Development of 3D scanning system for robotic plasma processing of medical products with complex geometries." Journal of Electronic Science and Technology 18, no. 3 (2020): 100057. http://dx.doi.org/10.1016/j.jnlest.2020.100057.

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Ebert, Lars Christian, Wolfgang Ptacek, Silvio Naether, et al. "Virtobot-a multi-functional robotic system for 3D surface scanning and automatic post mortem biopsy." International Journal of Medical Robotics and Computer Assisted Surgery 6, no. 1 (2009): 18–27. http://dx.doi.org/10.1002/rcs.285.

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Brüggenwirth, Stefan, and Fernando Rial. "Robotic control for cognitive UWB radar." Encyclopedia with Semantic Computing and Robotic Intelligence 02, no. 01 (2018): 1850009. http://dx.doi.org/10.1142/s2529737618500090.

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In the paper, we describe a trajectory planning problem for a six-DoF robotic manipulator arm that carries an ultra-wideband (UWB) radar sensor with synthetic aperture (SAR). The resolution depends on the trajectory and velocity profile of the sensor head. The constraints can be modeled as an optimization problem to obtain a feasible, collision-free target trajectory of the end-effector of the manipulator arm in Cartesian coordinates that minimizes observation time. For 3D reconstruction, the target is observed in multiple height slices. For through-the-wall radar the sensor can be operated in

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Novak-Marcincin, Jozef, Jozef Barna, Jozef Torok, and Miroslav Janak. "Visual Reconstruction and Optimization of Real Workplace on the Base of Spatial Digitisation." Applied Mechanics and Materials 308 (February 2013): 175–78. http://dx.doi.org/10.4028/www.scientific.net/amm.308.175.

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This article provides perspective into creation of virtual 3D model of existing robotic workcell to optimize productive process and save space. Separate parts of the paper describe the process of creation of the environment with the usage of an alternative scanning device, namely Kinect in combination with various software applications. This alternative offers scans of environment and components surfaces that are from the viewpoint of precision and quality comparable with much more expensive devices but based only on open source elements.

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Trybała, Paweł, Jan Blachowski, Ryszard Błażej, and Radosław Zimroz. "Damage Detection Based on 3D Point Cloud Data Processing from Laser Scanning of Conveyor Belt Surface." Remote Sensing 13, no. 1 (2020): 55. http://dx.doi.org/10.3390/rs13010055.

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Usually, substantial part of a mine haulage system is based on belt conveyors. Reliability of such system is significant in terms of mining operation continuity and profitability. Numerous methods for conveyor belt monitoring have been developed, although many of them require physical presence of the monitoring staff in the dangerous environment. In this paper, a remote sensing method for assessing a conveyor belt condition using the Terrestrial Laser Scanner (TLS) system has been described. For this purpose a methodology of semi-automatic processing of point cloud data for obtaining the belt

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Chromy, Adam, and Ludek Zalud. "The RoScan Thermal 3D Body Scanning System: Medical Applicability and Benefits for Unobtrusive Sensing and Objective Diagnosis." Sensors 20, no. 22 (2020): 6656. http://dx.doi.org/10.3390/s20226656.

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The RoScan is a novel, high-accuracy multispectral surface scanning system producing colored 3D models that include a thermal layer. (1) Background: at present, medicine still exhibits a lack of objective diagnostic methods. As many diseases involve thermal changes, thermography may appear to be a convenient technique for the given purpose; however, there are three limiting problems: exact localization, resolution vs. range, and impossibility of quantification. (2) Methods: the basic principles and benefits of the system are described. The procedures rely on a robotic manipulator with multiple

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Wojciechowski, Jakub, and Marcin Suszynski. "Optical scanner assisted robotic assembly." Assembly Automation 37, no. 4 (2017): 434–41. http://dx.doi.org/10.1108/aa-07-2016-068.

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Purpose This paper aims to propose the method of automatic robotic assembly of two or more parts placed without fixing instrumentation and positioning on the pallet. Design/methodology/approach Assembly tasks performed by industrial robots are usually based on a constant program, extensive tooling, fixing objects in a given place and a relatively limited sensory system. In this study, a different approach is presented. The industrial robot program is adjusted to the location of parts for assembly in the work space. This leads to a transition from a clearly defined assembly sequence realized by

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İpekçi, Ahmet, and Bülent Ekici. "Experimental and statistical analysis of robotic 3D printing process parameters for continuous fiber reinforced composites." Journal of Composite Materials 55, no. 19 (2021): 2645–55. http://dx.doi.org/10.1177/0021998321996425.

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3D printing technology has gradually taken its place in many sectors. However, expected performance cannot be obtained from the structural parts with this method due to the raw material properties and constraints of Cartesian motion systems. This technology cannot replace structural parts produced by traditional manufacturing methods. In order to avoid these constraints, it is preferred to use continuous fiber reinforced polymer composites in many areas such as automotive and aerospace industries due to their low weight and high specific strength properties. These automated composite manufactu

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Gruionu, Lucian Gheorghe, Catalin Constantinescu, Andreea Iacob, and Gabriel Gruionu. "Robotic System for Catheter Navigation during Medical Procedures." Applied Mechanics and Materials 896 (February 2020): 211–17. http://dx.doi.org/10.4028/www.scientific.net/amm.896.211.

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Lung cancer is the most common cancer globally with over 2 million new cases diagnosed every year. Fortunately, if caught early, the likelihood of survival is greatly improved. If diagnosed in Stage I, survival rates are >75% over 5 years, vs. just 1% if diagnosed in Stage IV. Early diagnosis requires finding and sampling (biopsy) small, peripheral nodules that are located in the parenchima of the lung and predominately outside small airways. Currently, for early diagnosis a bronchoscope is inserted into the lung airway but due to large size it cannot reach the small airways. Therefore, the

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Vatandsoost, Mohsen, and Sanaz Litkouhi. "The Future of Healthcare Facilities: How Technology and Medical Advances May Shape Hospitals of the Future." Hospital Practices and Research 4, no. 1 (2019): 1–11. http://dx.doi.org/10.15171/hpr.2019.01.

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In this review article, we aim to depict how healthcare facilities may look in the near future from an architectural design point of view. For this purpose, we review newly introduced technology and medical advances in the field of healthcare, such as artificial intelligence (AI), robotic surgery, 3D printing, and information technology (IT), and suggest how those advances may affect the architectural design of future healthcare facilities. In future hospitals, less space will be required; there will be no need for waiting areas. Most care will be given far from the hospital. Every human might

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Chen, Chao, Llewellyn Tang, Craig Matthew Hancock, and Penghe Zhang. "Development of low-cost mobile laser scanning for 3D construction indoor mapping by using inertial measurement unit, ultra-wide band and 2D laser scanner." Engineering, Construction and Architectural Management 26, no. 7 (2019): 1367–86. http://dx.doi.org/10.1108/ecam-06-2018-0242.

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Purpose The purpose of this paper is to introduce the development of an innovative mobile laser scanning (MLS) method for 3D indoor mapping. The generally accepted and used procedure for this type of mapping is usually performed using static terrestrial laser scanning (TLS) which is high-cost and time-consuming. Compared with conventional TLS, the developed method proposes a new idea with advantages of low-cost, high mobility and time saving on the implementation of a 3D indoor mapping. Design/methodology/approach This method integrates a low-cost 2D laser scanner with two indoor positioning t

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Aguzzi, Jacopo, Jan Albiez, Sascha Flögel, et al. "A Flexible Autonomous Robotic Observatory Infrastructure for Bentho-Pelagic Monitoring." Sensors 20, no. 6 (2020): 1614. http://dx.doi.org/10.3390/s20061614.

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This paper presents the technological developments and the policy contexts for the project “Autonomous Robotic Sea-Floor Infrastructure for Bentho-Pelagic Monitoring” (ARIM). The development is based on the national experience with robotic component technologies that are combined and merged into a new product for autonomous and integrated ecological deep-sea monitoring. Traditional monitoring is often vessel-based and thus resource demanding. It is economically unviable to fulfill the current policy for ecosystem monitoring with traditional approaches. Thus, this project developed platforms fo

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Zhu, Sheng, Fan Jun Meng, and De Ma Ba. "The Remanufacturing System Based on Robot MAG Surfacing." Key Engineering Materials 373-374 (March 2008): 400–403. http://dx.doi.org/10.4028/www.scientific.net/kem.373-374.400.

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A remanufacturing system based on robot MAG surfacing has been developed recently. In this paper, the work principle, functions and composition of this system are introduced. A worn metal part to be remanufactured should be preprocessed firstly, and the defective model of the part gained by reversing engineering technology is compared with normal model of the metal part, then the prototyping path layout is carried out combined with MAG welding process, finally the remanufacturing prototyping is implemented. The remanufacturing system is composed of robotic system (as executing machine), 3D las

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ASSAAD, WISSAM, ALEX JAHYA, PEDRO MOREIRA, and SARTHAK MISRA. "FINITE-ELEMENT MODELING OF A BEVEL-TIPPED NEEDLE INTERACTING WITH GEL." Journal of Mechanics in Medicine and Biology 15, no. 05 (2015): 1550079. http://dx.doi.org/10.1142/s0219519415500797.

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Deviation of a needle from its intended path can be minimized by using a robotic device to steer the needle towards its target. Such a device requires information about the interactions between the needle and soft tissue, and this information can be obtained using finite element (FE) analysis. In this study, we present an FE analysis that integrates the Johnson–Cook damage model for a linear elastic material with an element deletion-based method. The FE analysis is used to model a bevel-tipped needle interacting with gel. The constants for the damage model are obtained using a compression test

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Li, Xuyou, Shitong Du, Guangchun Li, and Haoyu Li. "Integrate Point-Cloud Segmentation with 3D LiDAR Scan-Matching for Mobile Robot Localization and Mapping." Sensors 20, no. 1 (2019): 237. http://dx.doi.org/10.3390/s20010237.

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Localization and mapping are key requirements for autonomous mobile systems to perform navigation and interaction tasks. Iterative Closest Point (ICP) is widely applied for LiDAR scan-matching in the robotic community. In addition, the standard ICP algorithm only considers geometric information when iteratively searching for the nearest point. However, ICP individually cannot achieve accurate point-cloud registration performance in challenging environments such as dynamic environments and highways. Moreover, the computation of searching for the closest points is an expensive step in the ICP al

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Li, Zihao, Shuang Song, Li Liu, and Max Q. H. Meng. "Tip Estimation Method in Phantoms for Curved Needle Using 2D Transverse Ultrasound Images." Applied Sciences 9, no. 24 (2019): 5305. http://dx.doi.org/10.3390/app9245305.

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Flexible needles have been widely used in minimally invasive surgeries, especially in percutaneous interventions. Among the interventions, tip position of the curved needle is very important, since it directly affects the success of the surgeries. In this paper, we present a method to estimate the tip position of a long-curved needle by using 2D transverse ultrasound images from a robotic ultrasound system. Ultrasound is first used to detect the cross section of long-flexible needle. A new imaging approach is proposed based on the selection of numbers of pixels with a higher gray level, which

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Ardeleanu, Mihaita, Marius Ionita, Alexandru Ivan, and Valentin Gurgu. "Innovative Bidimensional Absolute Transducer Based on Video Detection for Positioning into Micro Assembly Processes." Applied Mechanics and Materials 658 (October 2014): 535–40. http://dx.doi.org/10.4028/www.scientific.net/amm.658.535.

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This paper explains and demonstrates a method to interconnect the video detection data flow with an innovative coded grid in order to precisely associate absolute coordinates to any scanned (micro) objects over a large area, without the aid of external bulky sensors. The concept of measuring micro-objects absolute coordinates is based on a series of coded information markings (micrometric terminal blocks) regularly and precisely printed on the bottom reference surface. In this manner the image processing could extract the values of the coded markings and precisely provide absolute coordinates

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Goetzke, Hanns Hagen, Jonathan G. Pattrick, and Walter Federle. "Froghoppers jump from smooth plant surfaces by piercing them with sharp spines." Proceedings of the National Academy of Sciences 116, no. 8 (2019): 3012–17. http://dx.doi.org/10.1073/pnas.1814183116.

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Attachment mechanisms used by climbing animals facilitate their interactions with complex 3D environments and have inspired novel types of synthetic adhesives. Here we investigate one of the most dynamic forms of attachment, used by jumping insects living on plants. Froghopper insects can perform explosive jumps with some of the highest accelerations known among animals. As many plant surfaces are smooth, we studied whether Philaenus spumarius froghoppers are able to take off from such substrates. When attempting to jump from smooth glass, the insects’ hind legs slipped, resulting in weak, unc

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Scaioni, Marco, Maria Marsella, Michele Crosetto, Vincenza Tornatore, and Jin Wang. "Geodetic and Remote-Sensing Sensors for Dam Deformation Monitoring." Sensors 18, no. 11 (2018): 3682. http://dx.doi.org/10.3390/s18113682.

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In recent years, the measurement of dam displacements has benefited from a great improvement of existing technology, which has allowed a higher degree of automation. This has led to data collection with an improved temporal and spatial resolution. Robotic total stations and GNSS (Global Navigation Satellite System) techniques, often in an integrated manner, may provide efficient solutions for measuring 3D displacements on precise locations on the outer surfaces of dams. On the other hand, remote-sensing techniques, such as terrestrial laser scanning, ground-based SAR (synthetic aperture radar)

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Valera, Ángel, Francisco Valero, Marina Vallés, Antonio Besa, Vicente Mata, and Carlos Llopis-Albert. "Navigation of Autonomous Light Vehicles Using an Optimal Trajectory Planning Algorithm." Sustainability 13, no. 3 (2021): 1233. http://dx.doi.org/10.3390/su13031233.

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Autonomous navigation is a complex problem that involves different tasks, such as location of the mobile robot in the scenario, robotic mapping, generating the trajectory, navigating from the initial point to the target point, detecting objects it may encounter in its path, etc. This paper presents a new optimal trajectory planning algorithm that allows the assessment of the energy efficiency of autonomous light vehicles. To the best of our knowledge, this is the first time in the literature that this is carried out by minimizing the travel time while considering the vehicle’s dynamic behavior

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Tuleja, Peter. "Possibility of 3D Scanning Application in the Robotized Manufacturing Processes." Applied Mechanics and Materials 844 (July 2016): 79–83. http://dx.doi.org/10.4028/www.scientific.net/amm.844.79.

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Contribution describes selecting and applying appropriate deployment of 3D scanners for the implementation of tasks in the realization projects. Analyzes the methods of digitizing and indexing as well as the possibility of their use for handling tasks in robotics. Well it describes the selection of a suitable 3D scanner to solve specific project.

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Tao, Fei, Ping An Mu, Shu Guang Dai, and Jia Xing Shen. "A New Method for 3D Reconstruction of Headlight Contour." Applied Mechanics and Materials 321-324 (June 2013): 862–67. http://dx.doi.org/10.4028/www.scientific.net/amm.321-324.862.

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This paper put forward a 3D reconstruction method of the headlight contours based on laser scanning technology and robotics. Firstly, according to the present three-dimensional measurement techniques, the article put forward a set of headlight contour detection method based on the analytic geometry model and the line laser source scanning principle. It establishes a 3D scanning model and coordinate transformation model for 3D reconstruction of the headlight contour. Secondly, according to the demanding accuracy it structures the 3D reconstruction system. Finally it realizes the 3D reconstructi

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Xi, Zhouxin, Christopher Hopkinson, Stewart B. Rood, et al. "A Lightweight Leddar Optical Fusion Scanning System (FSS) for Canopy Foliage Monitoring." Sensors 19, no. 18 (2019): 3943. http://dx.doi.org/10.3390/s19183943.

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A growing need for sampling environmental spaces in high detail is driving the rapid development of non-destructive three-dimensional (3D) sensing technologies. LiDAR sensors, capable of precise 3D measurement at various scales from indoor to landscape, still lack affordable and portable products for broad-scale and multi-temporal monitoring. This study aims to configure a compact and low-cost 3D fusion scanning system (FSS) with a multi-segment Leddar (light emitting diode detection and ranging, LeddarTech), a monocular camera, and rotational robotics to recover hemispherical, colored point c

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Bui, Van Bien, Tien Long Banh, Duc An Pham, and Duc Toan Nguyen. "An efficient method for reflective surface scanning using Kinect v2." Ministry of Science and Technology, Vietnam 63, no. 1 (2021): 34–38. http://dx.doi.org/10.31276/vjst.63(1).34-38.

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ToF cameras, also identified as range imaging cameras, are a recent generation of sensors. As they are desirable for measuring distances to objects at a high frame rate, such sensors are increasingly used for 3D acquisitions, and more generally for applications in robotics or reverse engineering. In this study, the authors presented an efficient method for reflective surface scanning using Kinect v2. The approach is based on the principles of the ICP (Iterative Closest Point) algorithm. During the Kinect v2 scanning, the obtained point cloud is incomplete and includes flying pixels. The author

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Roesch, Oliver. "Model-Based On-Line Compensation of Path Deviations for Milling Robots." Advanced Materials Research 769 (September 2013): 255–62. http://dx.doi.org/10.4028/www.scientific.net/amr.769.255.

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Handling, welding or painting are currently the main fields of application for industrial robots. Due to their high flexibility and low investment costs industrial robots are increasingly used for machining processes in production environments. Robotic milling is one example of these processes, which nowadays can only be applied for tasks with low accuracy requirements and minor cutting forces. The main reason for this is the low stiffness of the robot structure and hence the huge deflection of the tool caused by the cutting forces. Robotic milling tests of aluminum show deviations of the prog

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Raj, Thinal, Fazida Hanim Hashim, Aqilah Baseri Huddin, Mohd Faisal Ibrahim, and Aini Hussain. "A Survey on LiDAR Scanning Mechanisms." Electronics 9, no. 5 (2020): 741. http://dx.doi.org/10.3390/electronics9050741.

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In recent years, light detection and ranging (LiDAR) technology has gained huge popularity in various applications such as navigation, robotics, remote sensing, and advanced driving assistance systems (ADAS). This popularity is mainly due to the improvements in LiDAR performance in terms of range detection, accuracy, power consumption, as well as physical features such as dimension and weight. Although a number of literatures on LiDAR technology have been published earlier, not many has been reported on the state-of-the-art LiDAR scanning mechanisms. The aim of this article is to review the sc

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Domek, Stefan, Paweł Dworak, Marek Grudziński, and Krzysztof Okarma. "Calibration of Cameras and Fringe Pattern Projectors in the Vision System for Positioning of Workpieces on the CNC Machines." Solid State Phenomena 199 (March 2013): 229–34. http://dx.doi.org/10.4028/www.scientific.net/ssp.199.229.

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Application of machine vision in automation, robotics and mechatronic systems is one of the most rapidly developing areas of industrial and applied computer science. The vision system presented in the paper can be used for automatic positioning of the workpieces on the numerically controlled machines. The idea of the system is based on the 3D scanning using the fringe patterns approach [ but its accuracy strongly depends on the lighting conditions and the proper calibration of the whole vision system. The most crucial elements for the calibration are both cameras and structural light projector

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Wang, Yusheng, Yidong Lou, Yi Zhang, Weiwei Song, Fei Huang, and Zhiyong Tu. "A Robust Framework for Simultaneous Localization and Mapping with Multiple Non-Repetitive Scanning Lidars." Remote Sensing 13, no. 10 (2021): 2015. http://dx.doi.org/10.3390/rs13102015.

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With the ability to provide long range, highly accurate 3D surrounding measurements, while lowering the device cost, non-repetitive scanning Livox lidars have attracted considerable interest in the last few years. They have seen a huge growth in use in the fields of robotics and autonomous vehicles. In virtue of their restricted FoV, they are prone to degeneration in feature-poor scenes and have difficulty detecting the loop. In this paper, we present a robust multi-lidar fusion framework for self-localization and mapping problems, allowing different numbers of Livox lidars and suitable for va

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Zaboli, M., H. Rastiveis, A. Shams, B. Hosseiny, and W. A. Sarasua. "CLASSIFICATION OF MOBILE TERRESTRIAL LIDAR POINT CLOUD IN URBAN AREA USING LOCAL DESCRIPTORS." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-4/W18 (October 19, 2019): 1117–22. http://dx.doi.org/10.5194/isprs-archives-xlii-4-w18-1117-2019.

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Abstract. Automated analysis of three-dimensional (3D) point clouds has become a boon in Photogrammetry, Remote Sensing, Computer Vision, and Robotics. The aim of this paper is to compare classifying algorithms tested on an urban area point cloud acquired by a Mobile Terrestrial Laser Scanning (MTLS) system. The algorithms were tested based on local geometrical and radiometric descriptors. In this study, local descriptors such as linearity, planarity, intensity, etc. are initially extracted for each point by observing their neighbor points. These features are then imported to a classification

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Assali, M., G. Pipelidis, V. Podolskiy, D. Iwaszczuk, L. Heinen, and M. Gerndt. "QUANTIFYING THE QUALITY OF INDOOR MAPS." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-2/W13 (June 5, 2019): 739–45. http://dx.doi.org/10.5194/isprs-archives-xlii-2-w13-739-2019.

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<p><strong>Abstract.</strong> Indoor maps are required for multiple applications, such as, navigation, building maintenance and robotics. One of common methods for map generation is laser scanning. In such maps, not only geometry of the map is of interest, but also its quality. This study aims at developing methods for real-time generation of indoor maps using features extracted from pointclouds obtained by a robot with their simultaneous quality assessment. We investigate, how this quality can be quantified for feature-based maps. First, we introduce a method for modeling 2D

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Deris, A., I. Trigonis, A. Aravanis, and E. K. Stathopoulou. "DEPTH CAMERAS ON UAVs: A FIRST APPROACH." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-2/W3 (February 23, 2017): 231–36. http://dx.doi.org/10.5194/isprs-archives-xlii-2-w3-231-2017.

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Accurate depth information retrieval of a scene is a field under investigation in the research areas of photogrammetry, computer vision and robotics. Various technologies, active, as well as passive, are used to serve this purpose such as laser scanning, photogrammetry and depth sensors, with the latter being a promising innovative approach for fast and accurate 3D object reconstruction using a broad variety of measuring principles including stereo vision, infrared light or laser beams. In this study we investigate the use of the newly designed Stereolab's ZED depth camera based on passive ste

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Koeva, M. N. "3D MODELLING AND INTERACTIVE WEB-BASED VISUALIZATION OF CULTURAL HERITAGE OBJECTS." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLI-B5 (June 15, 2016): 297–303. http://dx.doi.org/10.5194/isprsarchives-xli-b5-297-2016.

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Nowadays, there are rapid developments in the fields of photogrammetry, laser scanning, computer vision and robotics, together aiming to provide highly accurate 3D data that is useful for various applications. In recent years, various LiDAR and image-based techniques have been investigated for 3D modelling because of their opportunities for fast and accurate model generation. For cultural heritage preservation and the representation of objects that are important for tourism and their interactive visualization, 3D models are highly effective and intuitive for present-day users who have stringen

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Koeva, M. N. "3D MODELLING AND INTERACTIVE WEB-BASED VISUALIZATION OF CULTURAL HERITAGE OBJECTS." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLI-B5 (June 15, 2016): 297–303. http://dx.doi.org/10.5194/isprs-archives-xli-b5-297-2016.

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Nowadays, there are rapid developments in the fields of photogrammetry, laser scanning, computer vision and robotics, together aiming to provide highly accurate 3D data that is useful for various applications. In recent years, various LiDAR and image-based techniques have been investigated for 3D modelling because of their opportunities for fast and accurate model generation. For cultural heritage preservation and the representation of objects that are important for tourism and their interactive visualization, 3D models are highly effective and intuitive for present-day users who have stringen

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Pagliari, D., F. Menna, R. Roncella, F. Remondino, and L. Pinto. "Kinect Fusion improvement using depth camera calibration." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XL-5 (June 6, 2014): 479–85. http://dx.doi.org/10.5194/isprsarchives-xl-5-479-2014.

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Scene's 3D modelling, gesture recognition and motion tracking are fields in rapid and continuous development which have caused growing demand on interactivity in video-game and e-entertainment market. Starting from the idea of creating a sensor that allows users to play without having to hold any remote controller, the Microsoft Kinect device was created. The Kinect has always attract researchers in different fields, from robotics to Computer Vision (CV) and biomedical engineering as well as third-party communities that have released several Software Development Kit (SDK) versions for Kinect i

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Guzel, Mehmet Serdar, and Robert Bicker. "A Behaviour-Based Architecture for Mapless Navigation Using Vision." International Journal of Advanced Robotic Systems 9, no. 1 (2012): 18. http://dx.doi.org/10.5772/46200.

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Autonomous robots operating in an unknown and uncertain environment must be able to cope with dynamic changes to that environment. For a mobile robot in a cluttered environment to navigate successfully to a goal while avoiding obstacles is a challenging problem. This paper presents a new behaviour-based architecture design for mapless navigation. The architecture is composed of several modules and each module generates behaviours. A novel method, inspired from a visual homing strategy, is adapted to a monocular vision-based system to overcome goal-based navigation problems. A neural network-ba

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Houshiar, H., D. Borrmann, J. Elseberg, A. Nüchter, F. Näth, and S. Winkler. "CASTLE3D - A Computer Aided System for Labelling Archaeological Excavations in 3D." ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences II-5/W3 (August 11, 2015): 111–18. http://dx.doi.org/10.5194/isprsannals-ii-5-w3-111-2015.

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Documentation of archaeological excavation sites with conventional methods and tools such as hand drawings, measuring tape and archaeological notes is time consuming. This process is prone to human errors and the quality of the documentation depends on the qualification of the archaeologist on site. Use of modern technology and methods in 3D surveying and 3D robotics facilitate and improve this process. Computer-aided systems and databases improve the documentation quality and increase the speed of data acquisition. 3D laser scanning is the state of the art in modelling archaeological excavati

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Alsadik, B., M. Gerke, and G. Vosselman. "Visibility analysis of point cloud in close range photogrammetry." ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences II-5 (May 28, 2014): 9–16. http://dx.doi.org/10.5194/isprsannals-ii-5-9-2014.

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The ongoing development of advanced techniques in photogrammetry, computer vision (CV), robotics and laser scanning to efficiently acquire three dimensional geometric data offer new possibilities for many applications. The output of these techniques in the digital form is often a sparse or dense point cloud describing the 3D shape of an object. Viewing these point clouds in a computerized digital environment holds a difficulty in displaying the visible points of the object from a given viewpoint rather than the hidden points. This visibility problem is a major computer graphics topic and has b

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Piña-Martínez, Eduardo, Ricardo Roberts, Salvador Leal-Merlo, and Ernesto Rodriguez-Leal. "Vision System-Based Design and Assessment of a Novel Shoulder Joint Mechanism for an Enhanced Workspace Upper Limb Exoskeleton." Applied Bionics and Biomechanics 2018 (June 3, 2018): 1–14. http://dx.doi.org/10.1155/2018/6019381.

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Exoskeletons arise as the common ground between robotics and biomechanics, where rehabilitation is the main field in which these two disciplines find cohesion. One of the most relevant challenges in upper limb exoskeleton design relies in the high complexity of the human shoulder, where current devices implement elaborate systems only to emulate the drifting center of rotation of the shoulder joint. This paper proposes the use of 3D scanning vision technologies to ease the design process and its implementation on a variety of subjects, while a motion tracking system based on vision technologie

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Koch, R., S. May, and A. Nüchter. "DETECTION AND PURGING OF SPECULAR REFLECTIVE AND TRANSPARENT OBJECT INFLUENCES IN 3D RANGE MEASUREMENTS." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-2/W3 (February 23, 2017): 377–84. http://dx.doi.org/10.5194/isprs-archives-xlii-2-w3-377-2017.

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3D laser scanners are favoured sensors for mapping in mobile service robotics at indoor and outdoor applications, since they deliver precise measurements at a wide scanning range. The resulting maps are detailed since they have a high resolution. Based on these maps robots navigate through rough terrain, fulfil advanced manipulation, and inspection tasks. In case of specular reflective and transparent objects, e.g., mirrors, windows, shiny metals, the laser measurements get corrupted. Based on the type of object and the incident angle of the incoming laser beam there are three results possible

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Wang, Mudan, Cynthia Changxin Wang, Samad Sepasgozar, and Sisi Zlatanova. "A Systematic Review of Digital Technology Adoption in Off-Site Construction: Current Status and Future Direction towards Industry 4.0." Buildings 10, no. 11 (2020): 204. http://dx.doi.org/10.3390/buildings10110204.

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Off-site construction (OSC) is known as an efficient construction method that could save time and cost, reduce waste of resources, and improve the overall productivity of projects. Coupled with digital technologies associated with the Industry 4.0 concept, OSC can offer a higher rate of productivity and safety. While there is a rich literature focusing on both OSC and Industry 4.0, the implementation of associated digital technologies in the OSC context has not been fully evaluated. This paper intends to evaluate the current literature of digital technology applications in OSC. Scientometric a

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Hanna, George, Terrence T. Kim, Syed-Abdullah Uddin, Lindsey Ross, and J. Patrick Johnson. "Video-assisted thoracoscopic image-guided spine surgery: evolution of 19 years of experience, from endoscopy to fully integrated 3D navigation." Neurosurgical Focus 50, no. 1 (2021): E8. http://dx.doi.org/10.3171/2020.10.focus20792.

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OBJECTIVEThe purpose of this study was to describe the evolution of thoracoscopic spine surgery from basic endoscopic procedures using fluoroscopy and anatomical localization through developmental iterations to the current technology use in which endoscopy and image-guided surgery are merged with intraoperative CT scanning.METHODSThe authors provided detailed explanations of their thoracoscopic spine surgery techniques, beginning with their early-generation endoscopy with fluoroscopic localization, which was followed with point surface matching techniques and early image guidance. The authors

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