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Lärmbekämpfung

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Lärm Volume 15 (2020) Issue 06 ISSN Online: 1863-4672

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J. Hübner, C. Strümpfel Aircraft Noise Modeling of Departure Flights based on Flight Track Data and Actual Aircraft Performance Parameters S. 188-193

„… airport. While the current noise situation is recorded using aircraft noise measurements, the estimation …” „… . In this article a method is presented that enables the calculation of aircraft noise contours of …” „… affected within the LDEN 55 dB noise contours of 47 major airports in Europe has increased by 14% to 2.58 …”

doi.org/10.37544/1863-4672-2020-06

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International Conference on Gears 2019

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2355 2019

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X. Tian, Y. Wu, J. Han, L. Xia Online estimate and compensation of the gear machining error based on electronic gearbox cross-coupling controller S. 1835-XXVIII

„… directly dependent on the control precision of EGB. The present work focuses on the estimation, analysis …” „… control (CCC) method which was on the basis of a contour error vector using parametric curve interpolator …” „… single-output system with the introduced contour error transfer function and defined the distance from the …”

J. Hongu, H. Noborio, T. Koide, A. Tamura Proposal of linear mapping model among machining processes for gear tooth surface using graphic analysis S. 1199-1206

„… processes for gear tooth surface using slices of 2-dimensional spectrum. Focusing on a contour (or a slice …” „… approximate the contour to a closed curve, and obtain the ‘scale’ parameter and the ‘shape’ parameter such as …” „… contours or the slices in z-direction of the featured spectrum, we could approximate these contours to …”

E. Maier, T. Lohner, K. Stahl, P. Sperka, M. Hartl Detailed analyses of film thickness and friction in thermoplastic EHL contacts S. 1391-1400

„… ]. Similarly, estimations for the coefficient of friction were developed based on the isoviscous assumption [6 …” „… curvature compared to central region [19]. Similar to hard EHL contacts, the contour shape shows an …” „… thickness calculated by tribosimulation also shows a horseshoe shaped contour with lower absolute values as …”

J.-A. Meis, F. Teklote, M. Borowski Simulation of the tooth root strength under consideration of material quality, finishing process and size effects S. 161-172

„… ] were mostly generated by statistical estimations, as fatigue tests on gears with more than 30 teeth …” „… peened condition on the right. The color in the contour plot shows the degree of utilization in the …”

F. Concli, L. Maccioni, C. Gorla Power loss analysis of different high-power density gearbox typologies: CFD analysis and experimental measurements on a cycloidal gear set S. 101-114

„… model: velocity contour plot and oil distribution VDI-Berichte Nr. 2355, 2019108 Fig. 6: 2D model …” „… precision planetary gearboxes: reduction of the load dependent power losses and efficiency estimation …”

doi.org/10.51202/9783181023556

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Bayesian Environment Representation, Prediction, and Criticality Assessment for Driver Assistance Systems

Matthias Schreiner

Series: Verkehrstechnik/Fahrzeugtechnik

Volume 797 2016

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Parametric Free Space Maps S. 103-131

„… estimation, related work on this topic is discussed first. The PFS mapping itself consists of a free space …” „… overview of related work on the topic free space detection and estimation is first given in the following …” „… overlaid in white. 5.2 Related Work Methods of free space detection and estimation in the intelligent …”

Introduction S. 1-5

„… efficient, sensor-independent way? These two questions relate to the representation and estimation of the …” „… and estimation [221,223,226]. – Novel free space detection by morphological image analysis applied to …” „… occupancy grid maps. – Novel B-spline contour tracking of arbitrary free space shapes. • Novel method for …”

Bibliography S. 221-254

„… . I. Zia, and A. Yahya. An Implementation of Active Contour and Kalman Filter for Road Tracking. IAENG …” „… . Effertz. Improved Object Tracking from Detailed Shape Estimation Using Object Local Grid Maps with Stereo …” „… , 1995. [18] Y. Bar-Shalom, X.-R. Li, and T. Kirubarajan. Estimation with Applications to Tracking and …”

Summary and Outlook S. 207-211

„… Chapter 5 together with a discussion of related work on free space detection and estimation. Methodically …” „… contour tracking. This tracking step provides additional robustness and offers a straightforward way to …” „… occupancy grid mapping and PFS mapping as a foundation, the Bayesian network-based maneuver estimation, the …”

Grid Mapping in Dynamic Environments S. 67-102

„… objects directly. These are filtered from the static map to get a better pose estimation within SLAM. In …” „… segmenting object contours on a v-disparity image, which are tracked over time with additional exploitation …” „… estimation algorithms such as optical flow [159,271], which also take spatial differences and uncertainty …”

Bayesian Inference for Nonlinear Filtering Tasks S. 18-66

„… is normally set to zero for state estimation, while the non-negative scaling parameter βU is used to …” „… can be found in [151]. They include, amongst others, process noise adaption and input estimation …” „… estimation approaches, in contrast, try to estimate the unknown input vector online. Disadvantageously …”

doi.org/10.51202/9783186797124

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Graphical Model MAP Inference with Continuous Label Space in Computer Vision

Oliver Müller

Series: Informatik/ Kommunikation

Volume 860 2018

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Appendix S. 111-127

„… fast global optimization. Contributions: We propose a probabilistic method for estimation and …” „… , allowing both estimation of the motion field and the tissue structure. For inference, the CRF is simplified …” „… estimation and compensation of in vivo subject movement, the following assumptions are made: A sequence of …”

Bibliography S. 128-146

„… pictorial structures for 3d human pose estimation. In British Machine Vision Conference (BMVC), 2013. [3 …” „… Schiele. Pictorial structures revisited: People detection and articulated pose estimation. In IEEE …” „… Schiele, Nassir Navab, and Slobodan Ilic. 3d pictorial structures for multiple human pose estimation. In …”

Introduction S. 1-14

„… foreground mask. • Joint pose estimation, image segmentation, and visibility reasoning using a global shape …” „… propose a global visibility prior for joint image segmentation, tracking, and part visibility estimation …” „… estimation of the refractive index using a generalized Hough transform. Experiments show the competitiveness …”

doi.org/10.51202/9783186860101

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Prediction based activation of vehicle safety systems – A contribution to improve occupant safety by validation of pre-crash information and crash severity plus restraint strategy prediction

Gerald Sequeira

Series: Verkehrstechnik/Fahrzeugtechnik

Volume 817 2022

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References S. 126-162

„… , ‘Comparison and evaluation of algorithms forlidar-based contour estimation in integrated vehicle safety,’ IEEE …” „… . Sequeira, S. Afraj, M. Surve, and T. Brandmeier, ‘Lidar point cloudanalysis for vehicle contour estimation …” „… contour estimation algorithms for integrated vehicle safety applica-tions,’ Master thesis, Georgia …”

Conclusion S. 123-125

„… with dif-ferent other contour estimation methods which are described in [7]–[9]• The geometry-based …” „… investigation of the methodology foropponent-geometry estimation in Chapter 4 is limited to the three-arc …” „… templatewhich is one of the most challenging geometry for estimation in the pre-crashphase. Finally in Chapter 5 …”

State of the Art S. 8-25

„… driver and left-sidecurtain airbags, etc.).2.4 Opponent geometry estimationOpponent geometry …” „… the vehicle) based202.4. Opponent geometry estimationFigure 2.3: Different vehicle geometry estimation …” „… elements is desired by thepre-crash algorithms.2.5 Crash severity estimationThe prediction of an upcoming …”

Opponent-object Geometry: Simplification and Estimation S. 54-87

„… Chapter 4Opponent-object Geometry:Simplification and EstimationAbstractA novel methodology for …” „… Geometry: Simplification and EstimationTable 4.1: Simplified two-dimensional geometrical representation of …” „… EstimationFigure4.1 …”

Titelei/Inhaltsverzeichnis S. I-X

„… – CrashschwereschätzungKeywords: Predictive Safety System – Crash Validation – Restraint Strategy prediction – Contour estimation …” „… estimation . . . . . . . . . . . . . . . . . . . . 202.5 Crash severity estimation …” „… . . . . . . . . . . . . . . . . . . . . . . . . . . . . 524 Opponent-object Geometry: Simplification and Estimation 544.1 Geometry of objects in vehicle’s …”

Crash Severity and Restraint Strategy Prediction S. 88-122

„… opponent class estimated bythe data fusion and object parameter estimation module (refer to Figure 1.3 …” „… contour predictionalgorithms. In the next section, the results from the investigation of the …” „… class (M/R/N), the airbag activation time, etc.) from both the esti-mation approaches are compared with …”

doi.org/10.51202/9783186817129

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Temporally Consistent Superpixels

Matthias Reso

Series: Informatik/ Kommunikation

Volume 861 2018

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Bibliography S. 109-122

„… . Maire, C. Fowlkes, and J. Malik. Contour Detection and Hierarchical Image Segmentation. IEEE …” „… , 12(1):43–77, 1994. [6] J. Bigun, G. H. Granlund, and J. Wiklund. Multidimensional orientation estimation with …” „… Intelligence, 13(8):775–790, August 1991. [7] M. J. Black and P. Anandan. The robust estimation of multiple …”

Introduction S. 1-9

„… the grid structure of the capturing device. This is due to the fact that natural contours of objects …” „… segmentation [22], scene flow [87], 3D layout estimation of indoor scenes [94], interactive scene modeling [83 …” „… superpixel contours when applied to video sequences. Even if there are only slight changes between …”

Experimental Results S. 64-104

„… . As the contour evolving optimization, utilized in the proposed framework, only allows label flips at …” „… total processing time of the optimization is only marginally higher. This is because the contour …” „… . Similarly, the complexity of the contour-based optimization of [74] can be approximated to depend only on …”

doi.org/10.51202/9783186861108

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Konturbasierte multidirektionale Intra-Prädiktion für die Videocodierung

Thorsten Laude

Series: Informatik/ Kommunikation

Volume 871 2021

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Titelei/Inhaltsverzeichnis S. I-XIV

„… Neurons IX A K R O N Y M E Adam Adaptive Moment Estimation AI all intra AV1 AOMedia Video 1 AVC Advanced …” „… l’Éclairage CoMIC Contour-based Multidirectional Intra Coding CAE Convolutional Auto Encoder CNN Convolutional …” „… this thesis is a stochastic contour model for modeling and extrapolation of contours detected in the …”

Literatur S. 123-146

„… ] Yi-jen Chiu, Lidong Xu, Wenhao Zhang und Hong Jiang. „Decoderside Motion Estimation and Wiener filter for …” „… . „Decoder- Side Motion Estimation Assuming Temporally or Spatially Constant Motion“. In: ISRN Signal …” „… Jörn Ostermann. „Contour-based Multidirectional Intra Coding for HEVC“. In: Proceedings of 32nd Picture …”

doi.org/10.51202/9783186871107

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International Conference on Gears 2023

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2422 2023

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C. Herzog, D. Drummer Influence of the injection molding process on the tooth deflection of plastic gears during operation S. 1435-1448

„… , two different mold contours and two different mold temperatures, besides the recommended temperature …” „… varied using the line contour. The contour was varied at a constant mold temperature of 60 °C. Moreover …” „… ]. Fig. 2: Investigated shaft-hub connections One mold contour was generated using the software KissSoft …”

S. Ebrahimi, U. Kissling, C. S. Matkovič Evaluation of the NVH Characteristics of Gear Drives with Plastic Gears by the Forced Response Analysis S. 1403-1418

„… . This tool is very efficient when the overloading effects on gears and quick estimation of the emitted …” „… higher noise, the contour plot of the 𝑅𝑃 is very helpful. It can subsequently be used to address …” „… noise. Figure 12 shows 𝑅𝑃 contours of both models using the bearing reaction forces calculated in the …”

G. Vasileiou, C. Vakouftsis, C. Kalligeros, V. Spitas, C. Papalexis, A. Tsolakis, P. Zalimidis Continuous prestressed reinforcement of plastic gear teeth and its effect on bending strength vs conventional reinforcement S. 1375-1388

„… estimation of bending stresses has been the subject of substantial theoretical and experimental investigation …” „… of a wavy fiber placement that follows the external contour of the gear profile, following both coast …” „… basic qualitative von Mises stress field contours of a loaded spur gear tooth. Point O lies at the …”

E. Grabovic, A. Artoni, M. Gabiccini, E. Ciulli Exploration of trade-offs between NVH and efficiency in bevel gear design S. 853-880

„… . estimation of the elasto-hydrodynamic lubrication (EHL) friction coefficient; Numerous models and methods …” „… subsequent estimation of the friction coefficient. Moreover, most of the cited references do not offer …” „… precise estimations of the lubricant’s entraining velocity, often relying instead on calculating it as the …”

doi.org/10.51202/9783181024225

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Fahrzeugsicherheit

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2364 2019

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M. Östling, H. Jeppsson, N. Lubbe Predicted crash configurations for Autonomous Driving vehicles in mixed German traffic for the evaluation of occupant restraint system S. 365-392

„… . Third, for every 10% increase in impact velocity a contour line was created. Forth, to get the median …” „… velocity value, a new contour line (red arc in Fig. 3) was created, consisting of several points with a …” „… the contour lines and the retrieved maximum and median velocity values of both vehicles at the 90 …”

doi.org/10.51202/9783181023648

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International Conference on Gears 2022

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2389 2022

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D. Drummer, D. Schubert, C. Herzog In situ measurement of geometric and structural influences on the operating properties of polymer gears S. 1099-1116

„… knowledge allows for a better estimation of necessary wear addendums [8]. Therefore, a new approach for the …” „… deviations on the operating properties of the gear set, two different mould contours were manufactured, based …” „… on the same specifications. One contour was generated using the software KissSoft 2019 by KissSoft AG …”

S. Ebrahimi, J. Langhart, D. Marano NVH calculations for drivetrains, a methodology for selection of the best suitable calculation approach for a specific purpose S. 75-90

„… the quick estimation of emitted noise, the KISSdesign tool is very efficient. For an overall and final …” „… surface emits higher level of the noise, the contour plot of the ERP is very helpful. It can subsequently …” „… the ribs, to reduce the vibrations. Figure 10 shows ERP contours of the WOW and BOB models at t=0.118 …”

doi.org/10.51202/9783181023891

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Land.Technik AgEng 2017

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2300 2017

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J. Redenius, M. Dingwerth, A. Ruckelshausen, J. Hertzberg, T. Krause, B. Kettelhoit A multilevel simulation framework for highly automated harvest processes enabled by environmental sensor systems S. 157-164

„… components are represented by a 3D contour such as the soil topography or the 3D machine representation. The …” „… approach is based on full generic sensor data by a 3D-surface plant model of individual plant contours …” „… , a simplified plant contour model and a matching sensor model was developed. For a more realistic …”

A. Johannes, M. Seitz Automatic plant disease diagnosis using mobile capture devices S. 39-60

„… not systematically generated and it is just a rough estimation of the region where the identification …” „… saturation(s) image channel is performed. The use of active contours without edges allows us to divide the …” „… interaction of the active contour minimization flows into a more homogeneous and accurate leaf mask …”

doi.org/10.51202/9783181023006

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Expressive Personalized 3D Face Models from 3D Face Scans

Stella Graßhof

Series: Informatik/ Kommunikation

Volume 868 2020

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From 3D Face Scans to Aligned Faces S. 59-113

„… Delete Points Outside Contour The provided annotated facial feature point (ffp) contain the face contour …” „… , see Fig. 4.1(a). As the scans include points beyond this, we chose to define the face contour as a …” „… contour points shall be discarded. However the points of the contour do not extend to the forehead, which …”

Face Databases S. 40-58

„… , before the actual model estimation process. 3.1 Overview This section provides a short overview of the …” „… face contour and the provided images are heavily cropped to an extent leading to difficulties if the …” „… face contour is to be detected afterwards because it is partly excluded. Property Check Among the …”

doi.org/10.51202/9783186868107

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Technische Zuverlässigkeit 2023

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2409 2023

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S. Kupjetz, W. Zenn, S. Röding Vorstellung eines Kausalmodells relevanter Fehlerbilder zur Entwicklung wissensbasierter KI-Modelle am Beispiel von Werkzeugmaschinen S. 219-230

„… example, the failures modes standstill and contour error are the main events that can occur at the top …” „… failure modes “standstill” and “contour errors”The failure network of the investigated machine section …” „… of failure and effect modes are scarce, leading to uncertainties in the estimation of failure …”

doi.org/10.51202/9783181024096

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Medical Image Segmentation using Level Sets and Dictionary Learning

Saif Dawood Salman Al-Shaikhli

Series: Elektrotechnik

Volume 415 2016

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Bibliography S. 108-126

„… Applied Mathematics, vol. 42, pp. 577-685, 1989. [14] T. F. Chan and L. A. Vesa. An Active Contour Model …” „… Conference on Computer Vision (ICCV), pp. 2096-2103, 2011. [44] T. Chan, L. Vese. Active Contours Without …” „… . S. Duncan. Contour Tracking in Echocardiographic Sequences via Sparse Representation and Dictionary …”

doi.org/10.51202/9783186415219

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Plant Classification and Position Estimation for Autonomous Field Robots

Sebastian Haug

Series: Informatik/ Kommunikation

Volume 870 2020

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Conclusion S. 129-138

„… row. Additionally, a plant stem detection and position estimation method extracts the position of …” „… , plant classification as well as plant detection and position estimation. As presented in the evaluation …” „… classification and position estimation pipelines. Plant Classification The novel plant classification system …”

Bibliography S. 139-154

„… salient points and leaf contour descriptions for plant species recognition. In Image Analysis and …” „… , J. West, and J.-H. Hatier. Estimation in the field of individual perennial ryegrass plant position …” „… . Michaels, and J. Ostermann. Plant stem detection and position estimation using machine vision. In Workshop …”

Plant Classification S. 40-69

„… the contour signature of the leaf and texture [19]. The contour signatures (distance to the leaf …” „… center for N clockwise contour pixels) and the texture histograms (histogram of oriented Sobel gradients …” „… classification is based on the leaf contour (shape context feature [154]) and the arrangement leaf salient points …”

Background: Computer Vision andMachine Learning S. 9-23

„… information. More complex algorithms apply for example graphs [80] or contours and textures [81] to segment …” „… [84]. Additionally, there exist features which describe directions of edges or gradients [85]. Contour …” „… based features describe shapes of objects for example using snakes or contours. Furthermore, the …”

Plant Position Estimation S. 70-95

„… 5 Plant Position Estimation An important property of a plant is its location in the field which can …” „… presents a novel method for plant stem position estimation: The goal is a solution to the general plant …” „… position estimation task, where the stem positions of all plants (i.e. both crop and weed) in the image …”

Experimental Results and Discussion S. 96-128

„… estimation methods appropriate data is required. Because of a lack of publicly available datasets two new …” „… and plant classification and position estimation system developed in this thesis is mounted in the …” „… position estimation for single plant weed control a specific app is constructed for the Bonirob V2 as …”

doi.org/10.51202/9783186870100

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