Relevant bibliographies by topics / Scanning laser rangefinder

Academic literature on the topic 'Scanning laser rangefinder'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Scanning laser rangefinder"

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Ito, Kouhei, Akihisa Ohya, Naohiro Shimaji, and Takeshi Aoki. "Reduction of Distance Drift with Temperature in Uniaxial Laser Rangefinder by Using Multiecho Sensing." Journal of Robotics and Mechatronics 27, no. 1 (February 20, 2015): 64–73. http://dx.doi.org/10.20965/jrm.2015.p0064.

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<div class=""abs_img""><img src=""[disp_template_path]/JRM/abst-image/00270001/08.jpg"" width=""300"" />Uniaxial laser rangefinder</div> To expand the range of activities by unmanned aerial vehicles (UAVs), whose use at disaster sites and other dangerous locations has raised high expectations, UAVs must be capable of several functions, e.g., flight both indoor and outdoor environments. This requires making the airframe and major sensors as compact and light-weight as possible. To do so, we are developing uniaxial laser rangefinders to replace conventional scanning laser rangefinders. One developmental approach to uniaxial laser rangefinders and results regarding their validity are reported in this paper. Using a simulated model -- a modified scanning laser rangefinder -- we discuss the effectiveness of our approach. Specifically, this is to reduce the range drift due to heat, for which we propose using a multiecho to measure two echoes from a reference plate whose distance is known and that is placed outside of the sensor, and the target object, instead using the internal reference plate used in conventional two-dimensional scanning laser rangefinders. We also report the results of experiments verifying its validity. </span>
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Zelenskiy, V. A., and M. V. Kapalin. "Laser-scanning rangefinder fixed on a gimbal with two degrees of freedom." VESTNIK of Samara University. Aerospace and Mechanical Engineering 20, no. 3 (December 1, 2021): 37–48. http://dx.doi.org/10.18287/2541-7533-2021-20-3-37-48.

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A laser-scanning rangefinder mounted on a gimbal with two degrees of freedom is presented. The rangefinder can be used as part of a navigation system of an unmanned aerial vehicle to avoid obstacles or prevent collisions. Compared to stereo cameras, the device requires significantly less computing resources and is less dependent on lighting conditions. Compared to integrated lidars, the cost of the device is by an order lower. А model of the device was developed and an obstacle avoidance flight was simulated in the Gazebo simulator. The PX4/Avoidance software was used as an autopilot. As a result of a model experiment, we found that a scanning laser rangefinder can provide autonomous navigation with obstacle avoidance.
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Bondar, Maxim N., Vladimir N. Legkiy, and Igor S. Gibin. "SCANNING MEASURING SYSTEM BASED ON TRIANGULAR LASER RANGEFINDER." Interexpo GEO-Siberia 8, no. 2 (July 8, 2020): 113–19. http://dx.doi.org/10.33764/2618-981x-2020-8-2-113-119.

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A scanning laser range finder that provides distance measurement up to 10 m with an accuracy of 0.01 m for 360-degree circular scanning of space is described. Using the triangulation principle with a multi-element photodetector allows to creating a small-sized laser measuring system for robotic platforms for industrial and special purposes. Using the microcontroller allows to rationally implementing the discrete algorithm of the system in a given sector of space.
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Celms, Armands, Miks Brinkmanis-Brimanis, and Melanija Jakstevica. "Application of Laser Scanning in Internal Surveying of Premises and Development of 3D Model of Building." Baltic Surveying 16 (December 22, 2022): 42–48. http://dx.doi.org/10.22616/j.balticsurveying.2022.16.005.

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Nowadays, along with the classical and experienced surveying methods, modern technologies are rapidly developing and entering into the economy. Laser scanning has many benefits and uses. Application of this technology results in a point cloud from which it is possible to create three-dimensional models which can represent topographic properties, structure dimensions, and spatial relationships. The aim of the research is to investigate the application of three-dimensional laser scanning in the internal surveying of premises and in the development of the 3D model buildings. The task of the research is to apply the application of laser rangefinder and ultrasonic rangefinder method in the scanning of a building that is characterized by complex architecture, an interior garden, many protrusions, and a special layout of windows and doors. The use of the Stonex X300 laser scanner and Stonex M6 laser rangefinder has been described as well. To achieve the goals and objectives of the research, laser telemetry and ultrasonic telemetry method, method of three-dimensional modeling, as well as analysis of scientific literature, mathematical calculation methods, and analysis of documents and factual materials have been used. As the result of the investigation 3D model of a building consisting of 47 individual point clouds was developed. The main conclusion is that three-dimensional modeling as a computer graphics method for the three-dimensional representation of any object or surface can be used.
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Zhang, Chi. "Design and Simulation of MEMS Mirror Based 3D Shape Measurement System." Key Engineering Materials 645-646 (May 2015): 1120–24. http://dx.doi.org/10.4028/www.scientific.net/kem.645-646.1120.

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A 3D shape measurement system based on a laser rangefinder and a two-dimensional MEMS mirror is presented in this paper. According to the requirement of surface profile measurement, the 3D shape measurement system is mainly composed of a laser module, a two-dimensional MEMS mirror, a ranging module, an orientation module and an image composition module. Based on the MEMS scanning technology and phase shift ranging method, the surface profile of the target can be acquired by the measurement system. For the coupled scanning mode, the scanning pattern is simulated in Lissajous figure and the condition of covering all the field of view is analyzed. The simulation results show that the 3D shape measurement system based on the laser rangefinder and the two-dimensional MEMS mirror can realize the measurement the surface profile of the target in all the field of view.
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Hood, J. L., and M. Hayashi. "Assessing the application of a laser rangefinder for determining snow depth in inaccessible alpine terrain." Hydrology and Earth System Sciences Discussions 7, no. 1 (January 19, 2010): 417–40. http://dx.doi.org/10.5194/hessd-7-417-2010.

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Abstract. Snow is a major contributor to stream flow in alpine watersheds and quantifying snow depth and distribution is important for hydrological research. However, direct measurement of snow in rugged alpine terrain is often impossible due to avalanche and rock fall hazard. A laser rangefinder was used to determine the depth of snow in inaccessible areas. Laser rangefinders use ground based light detection and ranging technology but are more cost effective than airborne surveys or terrestrial laser scanning systems and are highly portable. Data was collected within the Opabin watershed in the Canadian Rockies. Surveys were conducted on one accessible slope for validation purposes and two inaccessible talus slopes. Laser distance data was used to generate surface models of slopes when snow covered and snow-free and snow depth distribution was quantified by differencing the two surfaces. The results were compared with manually probed snow depths on the accessible slope. The accuracy of the laser rangefinder method as compared to probed depths was 0.21 m or 12% of average snow depth. Results from the two inaccessible talus slopes showed regions near the top of the slopes with 6–9 m of snow accumulation. These deep snow accumulation zones result from re-distribution of snow by avalanches and are hydrologically significant as they persist until late summer.
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Hood, J. L., and M. Hayashi. "Assessing the application of a laser rangefinder for determining snow depth in inaccessible alpine terrain." Hydrology and Earth System Sciences 14, no. 6 (June 4, 2010): 901–10. http://dx.doi.org/10.5194/hess-14-901-2010.

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Abstract. Snow is a major contributor to stream flow in alpine watersheds and quantifying snow depth and distribution is important for hydrological research. However, direct measurement of snow in rugged alpine terrain is often impossible due to avalanche and rock fall hazard. A laser rangefinder was used to determine the depth of snow in inaccessible areas. Laser rangefinders use ground based light detection and ranging technology but are more cost effective than airborne surveys or terrestrial laser scanning systems and are highly portable. Data were collected within the Opabin watershed in the Canadian Rockies. Surveys were conducted on one accessible slope for validation purposes and two inaccessible talus slopes. Laser distance data was used to generate surface models of slopes when snow covered and snow-free and snow depth distribution was quantified by differencing the two surfaces. The results were compared with manually probed snow depths on the accessible slope. The accuracy of the laser rangefinder method as compared to probed depths was 0.21 m or 12% of average snow depth. Results from the two inaccessible talus slopes showed regions near the top of the slopes with 6–9 m of snow accumulation. These deep snow accumulation zones result from re-distribution of snow by avalanches and are hydrologically significant as they persist until late summer.
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Schmitz, Berit, Christoph Holst, Tomislav Medic, Derek Lichti, and Heiner Kuhlmann. "How to Efficiently Determine the Range Precision of 3D Terrestrial Laser Scanners." Sensors 19, no. 6 (March 26, 2019): 1466. http://dx.doi.org/10.3390/s19061466.

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As laser scanning technology has improved a lot in recent years, terrestrial laser scanners (TLS) have become popular devices for surveying tasks with high accuracy demands, such as deformation analyses. For this reason, finding a stochastic model for TLS measurements is very important in order to get statistically reliable results. The measurement accuracy of laser scanners—especially of their rangefinders—is strongly dependent on the scanning conditions, such as the scan configuration, the object surface geometry and the object reflectivity. This study demonstrates a way to determine the intensity-dependent range precision of 3D points for terrestrial laser scanners that measure in 3D mode by using range residuals in laser beam direction of a best plane fit. This method does not require special targets or surfaces aligned perpendicular to the scanner, which allows a much quicker and easier determination of the stochastic properties of the rangefinder. Furthermore, the different intensity types—raw and scaled—intensities are investigated since some manufacturers only provide scaled intensities. It is demonstrated that the intensity function can be derived from raw intensity values as written in literature, and likewise—in a restricted measurement volume—from scaled intensity values if the raw intensities are not available.
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Volkova, Evgeniya, Aleksey Druzhinin, Roman Kuzminykh, and Vladimir Poluzadov. "Simulation of the preparation and face drilling processes with laser scanning and automated marking of the drilling grid." E3S Web of Conferences 177 (2020): 01010. http://dx.doi.org/10.1051/e3sconf/202017701010.

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The article discusses the methods of calculating the drilling and blasting scheme and constructing a drilling grid, manual and automatic calculation options are compared. A method for automatically constructing a drilling grid based on laser scanning is proposed. Moreover, the proposed method can be implemented using cheap equipment - a laser rangefinder and an Arduino microcomputer. Based on the data of the laser rangefinder with openCV and SciPy libraries, a polygonal 3D model of the face is built. The transfer of the drilling grid to the 3D model is implemented using the bilinear interpolation algorithm. The constructed polygonal model can be improved by making changes to the construction algorithm, since it is developed by the authors and can be further developed. The simulation model is created in Anylogic software and shows the drilling process taking into account the previously calculated drilling pattern. The proposed models can be used as a basis for further research and software development.
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Cao, Jin Ling, Ying Luo, and Zhi Li. "Study on 3-D Laser-Scanning-Based Machine Vision System for Robotic Construction Vehicles." Advanced Materials Research 591-593 (November 2012): 1391–95. http://dx.doi.org/10.4028/www.scientific.net/amr.591-593.1391.

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Based on the AR4000-LIR type infrared laser rangefinder, the prototype of the 3-D laser-scanning-based machine vision system for robotic construction vehicles is developed and the software for scanning control, swing control and data sampling/processing is programmed. The experimental results show that the system has good spatial resolution and stability and is able to be used for the task planning of the robotic construction vehicles which is in autonomous operation, and better able to scan the detail object contour.
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Dissertations / Theses on the topic "Scanning laser rangefinder"

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Strickon, Joshua Andrew 1976. "Design and HCI applications of a low-cost scanning laser rangefinder." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/80218.

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Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1999.
Includes bibliographical references (leaves 137-140).
by Joshua Andrew Strickon.
M.Eng.
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Aslan, Gokhan. "Design &amp." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614942/index.pdf.

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It is a great advantage of gaining knowledge about the environment for navigation. The environment should be measured during the employment as exactly as possible, in order to be able to react correctly. Robots are being used for different tasks at contaminated environments, places in danger or completely safe places. For robotic use, scanning capabilities of the environment are limited at the present. Adhering to the limitations of the scanning systems, the environment is scanned at a particular level and charted with appropriate software. In some cases, this scanning capability is not enough to react correctly. Taking these needs into consideration, this thesis successfully demonstrates the design and implementation of a scanning platform for mobile robotics. A scanning platform with a laser rangefinder scanner will be addressed in a compact design with maximum field of view for quickly mapping and high resolution. With this design, the scanning system will be provided by rotating laser rangefinder at z-axis in one dimension. Laser rangefinder will also measure the distance as the second dimension of the system. Also it rotates the laser beam at another axis which is different from the measuring distance axis and rotary z-axis. In this way, the scanning system will have the three-dimensional scanning ability. This design allows the scanning platform, continuous scanning capability at three dimensional.
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Chen, Chun-Yu, and 陳君羽. "On the Design and Implementation of Indoor Navigation Using Scanning Laser Rangefinder." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/99893696086931712786.

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碩士
國立清華大學
動力機械工程學系
98
In this thesis, the goal is to design a navigation system for an mobile robot by a scanning laser rangefinder and the encoders built in the robot to sense the environmental variation during robot maneavering. To locate the position of the robot, the environmental map and the information of the initial position must be known as a priori. An algorithm of features extraction is thus developed to extract the corner landmarks from the environment scan to estimate the translation and rotation between consecutive scanning data, then correct the error produced by the encoders due to wheels slipping. The location of these particular features is considered to be invariant as compared to the vehicle. They can therefore be used as stable and reliable landmarks in a localization algorithm. And the real-time scanning data can be also used for obstacles avoidance. A wheeled-robot will be adopted as the navigation vehicle, and the whole system will be tested within an unknown environment to validate the performance of the proposed navigation system.
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Conference papers on the topic "Scanning laser rangefinder"

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Tan, Joshua Vixen, and Siyuan He. "Electromagnetic FPCB micromirror scanning laser rangefinder." In 2019 International Conference on Optical MEMS and Nanophotonics (OMN). IEEE, 2019. http://dx.doi.org/10.1109/omn.2019.8925110.

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Domingue, Beau, and Joshua Vaughan. "Crane Workspace Mapping via a Scanning Laser Rangefinder." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-52194.

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Cranes are common tools used in industry globally. Significant work has been done to increase the safety of cranes, but danger still arises in the presence of operator error. This paper introduces a crane workspace mapping method via a scanning laser rangefinder to help prevent collisions due to an operator’s poor knowledge or view of the workspace. The developed mapping algorithm identifies obstacles within the crane workspace, then, generates and displays a 2D map of it. To demonstrate the proposed algorithm, an example map is generated for a small-scale bridge crane workspace.
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Guo, Congzhong, and Gary K. Fedder. "2-DoF twisting electrothermal actuator for Scanning Laser Rangefinder application." In 2011 IEEE 24th International Conference on Micro Electro Mechanical Systems (MEMS). IEEE, 2011. http://dx.doi.org/10.1109/memsys.2011.5734648.

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Adachi, Yuzi, and Kenichi Matsui. "Width gauge for hot steel plates by laser-scanning rangefinder." In San Diego, '91, San Diego, CA, edited by Robert E. Fischer and Warren J. Smith. SPIE, 1991. http://dx.doi.org/10.1117/12.48653.

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Zhang, Zheyuan, Chao Zhang, Takuma Shirahata, Shinji Yamashita, and Sze Y. Set. "Non-Mechanical Scanning AMCW Laser Rangefinder Using Wavelength-Swept Dispersion-Tuned Fiber Laser." In CLEO: Applications and Technology. Washington, D.C.: OSA, 2020. http://dx.doi.org/10.1364/cleo_at.2020.jtu2g.34.

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Montgomery, David E., and Robert L. West. "Position Registration of Scanning Lasers for Experimental Spatial Dynamics Modeling." In ASME 1994 Design Technical Conferences collocated with the ASME 1994 International Computers in Engineering Conference and Exhibition and the ASME 1994 8th Annual Database Symposium. American Society of Mechanical Engineers, 1994. http://dx.doi.org/10.1115/detc1994-0075.

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Abstract Experimental spatial dynamics modeling involves using scanning lasers to sample surface shape and dynamic response of structures in order to verify structural dynamics design intent. Formation of accurate spatial models from laser-based measurements requires that laser position and orientation be registered relative to a fixed coordinate system. A three point direct registration procedure is defined for shape modeling using laser range and mirror deflection angles. Surface velocity measurements with a portable laser Doppler vibrometer (LDV) also require registration, but range information is unavailable. A multiple point indirect registration algorithm for the LDV is described that involves minimizing three nonlinear equations. A simulated laser rangefinder (LRF) was developed for demonstrating three point direct registration. The 3-D geometry of a compressor housing was modeled by combining range data from multiple laser positions. The multiple point indirect registration was applied to 3-D velocity response field reconstruction of a composite plate from velocity measurements scanned at three separate positions.
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Strickon, Joshua, and Joseph Paradiso. "Tracking hands above large interactive surfaces with a low-cost scanning laser rangefinder." In CHI98: ACM Conference on Human Factors and Computing Systems. New York, NY, USA: ACM, 1998. http://dx.doi.org/10.1145/286498.286719.

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MacLachlan, R., and C. Mertz. "Tracking of Moving Objects from a Moving Vehicle Using a Scanning Laser Rangefinder." In 2006 IEEE Intelligent Transportation Systems Conference. IEEE, 2006. http://dx.doi.org/10.1109/itsc.2006.1706758.

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Yu, Xiaoyang, Jian Zhang, Liying Wu, and Xifu Qiang. "Design rule and error analysis of a rangefinder using laser scanning space-encoding method." In Photonics East '96, edited by Kevin G. Harding and Donald J. Svetkoff. SPIE, 1997. http://dx.doi.org/10.1117/12.263326.

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Vanpoperinghe, Elodie, Martine Wahl, and Jean-Charles Noyer. "Model-based detection and tracking of vehicle using a scanning laser rangefinder: A particle filtering approach." In 2012 IEEE Intelligent Vehicles Symposium (IV). IEEE, 2012. http://dx.doi.org/10.1109/ivs.2012.6232265.

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Reports on the topic "Scanning laser rangefinder"

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Kelly, Alonzo. Concept Design of a Scanning Laser Rangefinder for Autonomous Vehicles. Fort Belvoir, VA: Defense Technical Information Center, May 1994. http://dx.doi.org/10.21236/ada283007.

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