Filter results

Results (389)

Sort by:

Select all Select all

Page 13

Thomas Guthier - Visual Motion Processing

Partial access

Select

Thomas Guthier

Visual Motion Processing

Series: Mess-, Steuerungs- und Regelungstechnik

Volume 1251 2016

Results in this title

Unsupervised Pattern Learning S. 26-57

„… discussed, followed by an analysis of constraints that lead to a parts-based representation. Then, sNMF as …” „… discussed in the previous chapters, the goal is to learn generative, parts-based patterns. To this end …” „… number of basis vectors. The model parameters W and H are learned by minimizing an energy function based …”

Feature Extraction S. 89-115

„… parts-based energy is decreasing. In summary the optimization can be split into three stages. First, after the …” „… discussed in chapter 3, the goal is to learn local parts-based patterns; for this purpose the VNMF algorithm …” „… quantitative analysis the average reconstruction error, the sparsity per input and the parts-basedness of the …”

Conclusion S. 126-131

„… algorithms are analyzed and an outlook on future work based on the discussion is given. 7.1 Summary …” „… estimation or for learning gradient or optical flow patterns, guides the underlying optimization problem to …” „… Estimation (VNMF-OFE) The motion analysis starts on the small scale with the estimation of the optical flow …”

Optical Flow Estimation S. 58-88

„… formulated problem (robust optimization methods). 66 4 Optical Flow Estimation The proposed learning based …” „… model-based representations of motion. Since every pixel has a motion vector V(x), OF-fields can be easily …” „… combined with other pixel-based information, such as gradient- or color information. Unlike the color …”

Bibliography S. 143-158

„… 143 Bibliography [1] Aggarwal, J. and Ryoo, M. S. (2011). Human activity analysis: A review. ACM …” „… statistics of spacetime ordered features for human action recognition. In Advanced Video and Signal-Based …” „… ). Recognizing human actions based on sparse coding with non-negative and locality constraints. In Visual …”

doi.org/10.51202/9783186251084

Malte Oeljeklaus - An Integrated Approach for Traffic Scene Understanding from Monocular Cameras

Partial access

Select

Malte Oeljeklaus

An Integrated Approach for Traffic Scene Understanding from Monocular Cameras

Series: Verkehrstechnik/Fahrzeugtechnik

Volume 815 2021

Results in this title

Multi-task Integration and Conclusive Experimental Analysis S. 84-96

„… Experimental Analysis Table 8.4: Comparison of the pixel-based performance metrics for the task of drivable …” „… 8 Multi-task Integration and Conclusive Experimental Analysis The perception tasks considered in …” „… representations of the individual tasks is discussed below. For this, the following considerations are based …”

Titelei/Inhaltsverzeichnis

„… developed that allows for the simultaneous perception of all environment representations based on a …” „… . . . . . . . . . . . . . . 78 8 Multi-task Integration and Conclusive Experimental Analysis 84 8.1 Multi-task decoder and …” „… optimization gMA moving average of the squared gradients h, h, H feature scalar, feature vector, feature tensor …”

Summary, Conclusion, and Outlook S. 97-99

„… simultaneous perception of all environment representations with methods based on a multi-task CNN architecture …” „… implemented as image segmentation. To this end, an approach based on the FCN architecture [She+17] is adapted …” „… perception of other road users is designed based on the compact SSD method for 2D detections according to …”

Experimental Setup and Data Acquisition S. 20-27

„… optimization based on a database of annotated camera images using desktop PC hardware. For the execution of the …” „… annotated database real time acquisition training system training and testing samples parameter optimization …” „… appendix in Table A.2.c represents one of the leading available embedded systems. It is based on a …”

Drivable Road Area from Semantic Image Segmentation S. 50-63

„… . However, this manual engineering contradicts the concept of optimization-based feature learning, which is …” „… architecture and spatial priors As outlined, the road segmentation approach is based on combining the …” „… dimensions is based on bilinear interpolation, similar as described in section 3.2. However, a strict …”

„… evolutionary optimization [Rea+17; Rea+19], reinforcement learning [ZL17; Zop+18; TL19], and gradient based …” „… research interest. The development of modern methods based on CNNs can be traced back several decades, and …” „… approaches differ primarily in the employed search strategy. Among others, there are methods based on …”

Bibliography S. 115-142

„… . Bertram. “Environment Modeling for the Application in Optimization-based Trajectory Planning”. In …” „… Korea, 2019, pp. 9287–9296. [Bou+10] Y.-L. Boureau, J. Ponce, and Y. LeCun. “A Theoretical Analysis of …” „… . “Multitask Learning: A Knowledge-Based Source of Inductive Bias”. In: Proceedings of the 10th International …”

Road Users from Bounding Box Detection S. 64-83

„… , but instead, the composition of all feature maps is determined solely during the optimization process …” „… the overall loss function. Based on the individual object hypotheses, the feature maps are sampled …” „… fairly universal method. Therefore a decoder architecture based on this approach is used. The following …”

doi.org/10.51202/9783186815125

Yasser Estuardo Samayoa Paredes - Low-Delay Video Communication System over Wireless Channels Based on HEVC and OFDM

No access

Select

Yasser Estuardo Samayoa Paredes

Low-Delay Video Communication System over Wireless Channels Based on HEVC and OFDM

Series: Informatik/ Kommunikation

Volume 881 2023

Results in this title

Titelei/Inhaltsverzeichnis

„… a key component of the rate-distortion based optimization procedure. The trade-offs and …” „… Fortschritt-Berichte VDILow-Delay Video Communication System over Wireless Channels Based on HEVC …” „… 222Low-Delay Video Communication System overWireless Channels Based on HEVC and OFDMVon der Fakultät …”

Introduction S. 1-14

„… its evaluation framework arepresented in Chapter 4. Based on theoretical analysis, the chapter …” „… evaluation of the entire video communicationsystem is essential for its optimization. As mentioned in Section …” „… thesis address the challenges exposed in Section 1.2, i.e.:1. Analysis of the entire video communication …”

Bibliography S. 125-138

„… ] Martin Gollery. “Bioinformatics: sequence and genome analysis.”In: Clinical Chemistry 51.11 (2005), pp …” „… Jörn Ostermann. “NeuralNetwork Based Error Concealment for VVC.” In: Proceedings of the28th IEEE …” „… Stuhlmuller, Niko Farber, Michael Link, and Bernd Girod.“Analysis of video transmission over lossy channels …”

Digital Video Compression S. 15-49

„… following some rate-distortion optimization strat-egy. For instance, two different input videos may be …” „… beenthe same since H.261: a block-based hybrid video coding. It is calledhybrid because the coding process …” „… aloss-less compression technique based on arithmetic coding. All othersignals and parameters needed to …”

Video Communication System S. 85-119

„… ofdm-based communication system over wireless channelis added to it for a complete analysis. The digital …” „… available frames at the receiver for its comparison.Moreover, a suitable metric based on the conventional …” „… , PSNRe isdecreased and PSNRd is, hence, also decreased. From this analysis itcan be argued that there is …”

doi.org/10.51202/9783186881106

VDI Wissensforum GmbH - Testen und Validieren elektrischer Antriebsstränge

No access

Select

VDI Wissensforum GmbH (ed.)

Testen und Validieren elektrischer Antriebsstränge

Series: VDI-Berichte

Volume 2412 2023

Results in this title

F. Duchi, M. Ivarson, B. Wultsch Novel Methodology of E-Drive testing, calibration and optimization S. 45-72

„… model-based optimization are known methods for dealing with multi-dimensional optimization problems. In …” „… the best system efficiency dataset. The model-based optimization method also allows to find a …” „… Novel Methodology of E-Drive testing, calibration and optimization  Newest test equipment for …”

doi.org/10.51202/9783181024126

VDI Wissensforum GmbH - Drivetrain for Vehicles 2016

Partial access

Select

VDI Wissensforum GmbH (ed.)

Drivetrain for Vehicles 2016

Series: VDI-Berichte

Volume 2276 2016

Results in this title

S. Foulard, S. Rinderknecht, R. Fietzek Paradigm Change in Transmission Design by Online Condition Prediction – Cost- Efficient and Resource-Optimized Lightweight Design based on the eLIFE and ecoLIFE3 Concepts S. 515-530

„… vehicle fleet becomes a part of an optimization problem within a knowledge-based development process. In …” „… Resource-Optimized Lightweight Design based on the eLIFE and ecoLIFE3 Concepts Dr.-Ing. Stéphane Foulard …” „… lightweight design and more load appropriate dimensioning in transmission engineering. This is based on …”

M. Kraft, W. Pflieger, S. Henzler, C. Nizzola, S. Rinderknecht Simulation-based study of drivetrain electrification to improve driving dynamics S. 177-192

„… meet the simulation-based studies of [6–10]. Analysis of these studies focuses on characteristic …” „… analysis and a simulation-based study. Scope of the study is electrification of a conventional AWD …” „… powertrain architectures and component sizings. Via the literature analysis and simulation-based …”

F. Pflüger Virtual calibration of conventional & hybrid drivetrain strategy – Transfer drive strategy calibration from vehicle in a virtual environment S. 563-576

„… and tools to allow target setting, objective comparison, analysis and optimization, as well as the …” „… transmission functions. Based on this, a definition of criteria focusing on shift maps (those which had the …” „… evaluations based on driver expectations. Furthermore the typical specifications a calibration engineer …”

C. Fouret Fatigue Strength of pendulum components in dual mass flywheel VDI 2016 S. 271-280

„… relative velocities. Finally they are used as inputs in the Finite Element Analysis for fatigue situation …” „… Analysis (FEA) of VDI-Berichte 2276, 2016272 flexible 3D model, for fatigue situation to make the …” „… linking rivets FEM, and the torque distribution in the fatigue analysis for design of rivet. Design of …”

H.-W. Raedt, F. Wilke, C.-S. Ernst Lightweight Design in transmission by forging technology in passenger cars and light commercial vehicles S. 485-502

„… ]. Based on the tremendous interest that the results received from customers and driven by the intensive …” „… ) were sold in the EU in 2013. The vehicle chosen for this lightweight potential analysis is very …” „… two subsystems will be the focus of further analysis for lightweight design potential through forging …”

B. Kohn, M. Otto, K. Stahl Noise Reduction Potential of Waveform Flank Modifications – Topological Waveform and Waveform-like Modifications Provide Promising Optimization Perspective S. 451-468

„… Waveform-like Modifications Provide Promising Optimization Perspectives Dipl.-Ing. Bernhard Kohn, Dr.-Ing …” „… nominal load T = 2000 Nm b) transmission error Fig. 1: Tooth contact analysis for micro geometry …” „… process, the next steps would roughly consist of mass calculations and definition of optimization goals …”

M. Hochrein, F. Mühlfeld, J. Buhl CBW system by ZF – maximum efficiency with maximum acceptance – Maximum efficiency with maximum acceptance S. 109-120

„… real driving cycle analysis has to be done. The goal of this analysis is to identify the potential of …” „… test results can be transferred to CBW application and considered as realistic. Based on the concept …” „… , Clutch engagement assistant should be integrated to CBW. Based on AMT experience further functionalities …”

V. Warth, B. Reick, B. Bertsche, M. Geimer Efficient analysis of complex continuously variable power split transmissions with multiple in- and outputs S. 719-730

„… Efficient analysis of complex continuously variable power split transmissions with multiple in …” „… enabling the efficient and automated analysis of such transmission systems. 2.1 State of the art …” „… together with the calculation method from VDI 2157 enables an automated analysis of kinetics, kinematics …”

J. Utz, V. Lichtenwald, G. Hirt Short Synchro (STSS) – reduced shift travel for MT’s and DCT’s – Development of a synchronizer system for future demands in transmissions S. 231-242

„… shifting times is frequently required for MTs. The optimization of costs and a reduction of CO2 emissions …” „… carrying out consistent optimization. This was achieved by changing the module to m=1 mm, developing a new …” „… forming methods on the other were the starting point for developing a new synchronization system based on …”

doi.org/10.51202/9783181022764

1 ... 12

13

14 ... 78