Suche einschränken

Ergebnisse (314)

Sortierung:

Alle Alles auswählen

Seite 1

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

Kein Zugriff

Auswählen

Yasser Estuardo Samayoa Paredes

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

Reihe: Informatik/ Kommunikation

Band 881 2023

Treffer in den folgenden Teilen:

Communication Systems S. 50-84

„… errorsintroduced in the bit domain depending on just very few parameters, asfor example, the burst length and error …” „… Gilbert-Elliott channelmodel with Pe = 3e−3 and LB = 8.0 10 20 30 40 50050100LB = 8Length of burst errorsCount(a)0 …” „… 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6·1040100200Length between burst errorsCount0 500 1,000 1,500 2,0000123 …”

Titelei/Inhaltsverzeichnis

„… Frequency-Division Multiplexing (OFDM)Keywords: Video coding – error concealment – video communication systems …” „… . . . . . . . . . . . . . . . . . . . . . . 372.6.6 Optimal Parameter Selection . . . . . . . . . . . . 392.7 Novel Error Concealment Method …” „… . . . . . . . . . . . . . . 422.7.1 Error Concealment Neural Network (ECNN) . . . . 442.7.2 Error Concealment Evaluation …”

doi.org/10.51202/9783186881106

Stefan Siemens - Deep Homography Estimation for Micro-Topographic Measurement Data

Kein Zugriff

Auswählen

Stefan Siemens

Deep Homography Estimation for Micro-Topographic Measurement Data

Reihe: Berichte aus dem imr

Band 01/2024 2024

Treffer in den folgenden Teilen:

5. Results S. 103-142

„… present the test errors.It can be observed, that the training and validation losses are very …” „… error are large,considering the image dimensions of 224 px x 224 px. In 81 % of cases, thephase …” „… error.Regarding the H4 registration, the mean absolute error (MAE) values are foundto be non-informative. Although …”

2. Foundational Concepts S. 11-52

„… . There are methods in the image domain aswell as in the frequency domain and error measures such as sum …” „… phase correlation, rely on Fourier transform principles [89]. An inputimage is transformed into Fourier …” „… space, represented by amplitude and phase,see Figures 2.6b and 2.6c, where the maximum of cross or phase …”

Titelei/Inhaltsverzeichnis

„… image comprises an amplitude and a phase. 242.7 Calculation of the shift between two images by finding …” „… the maximumin the phase correlation. . . . . . . . . . . . . . . . . . . . . . . . . 252.8 …” „… Illustration of phase congruence. An edge image (a) can be sim-plified as a unit step (b). At the position of …”

4. Methods and Algorithms S. 67-102

„… error by rotational and shearingcomponents, a common problem with the 3x3 parameterization …” „… acquisi-tion phase, some images or image sections might be either completely under-exposed or overexposed. In …” „… . Initially, phase correlation is utilizedto estimate preliminary displacement along the x- and y-axes, as …”

1. Introduction S. 1-10

„… multiple images to createa composite during the stitching phase. Image registration is the primary focusof …” „… combined with conventional SIFT features. With a root-mean-square er-ror (RMSE) of 0.7321, this hybrid …” „… phase of the networks, necessitating extensive datasets with knowntransformation parameters for …”

Bibliography S. 147-170

„… : 2072-4292. doi: 10.3390/rs9101051.[91] A. Oppenheim and J. Lim, “The importance of phase in signals …” „… ] P. Kovesi, “Phase Congruency Detects Corners and Edges”, in Interna-tional Conference on Digital …” „… : Accurate and scalable microscopy imagestitching tool with stage modeling and error minimization …”

doi.org/10.51202/9783959009225

Teilzugriff

Auswählen

VDI Wissensforum GmbH (Hrsg.)

ELIV 2021

Reihe: VDI-Berichte

Band 2384 2021

Treffer in den folgenden Teilen:

U. Bodenhausen Make AI Testing Meaningful – From Understanding to Mastering of AI Testing S. 151-162

„… (False Positives) indicate errors. The example shows that in real world problems, errors are often not …” „… . Relating this to technical AI based systems, this means: The examples from the training phase must be …” „… the training phase. In addition, independent TEST examples must be used to test the system, if it …”

K. Renatus, A. Unger, B. Baker, O. Manicke Machine learning approach towards remote diagnostics and repair of electric vehicle charging processes S. 163-174

„… overview of possible failure causes is given in section 2. In order to prevent or fix charging errors …” „… . Section 3 discusses ways of how EVs could generally learn to avoid certain charging errors. Since …” „… as comfortable and therefore simple, fast and most importantly error-free. A broken down vehicle in …”

A. P. Das, K. Thomas, A. Mohan, A. S. Akhil, K. P. Ganesh A Battery Digital Twin framework for Predictive Maintenance and State of Health Estimation of Electric Vehicles S. 579-592

„… prediction of the model includes both training and testing phases. For the training phase, Data consists of …” „… phase, the model predicts the value. All results will be sent to the database and can be visualized on …” „… Grafana UI. Experimental Results and Discussions Multiple testing phases have been carried out to …”

S. Kuhn Combined application of agile practices and functional safety in automotive software development S. 197-204

„… the risk of errors. Clarification of possible misunderstandings regarding “Agile Software …” „… late development phases, unless there is an unreasonable negative impact on safety. From a Scrum …” „… fulfilment of safety timing constraints. Less prone to errors => overarching goal of safety. Lower …”

H. Zeltwanger CAN XL: The third CAN protocol generation S. 309-316

„… enabling and disabling of the error signalling or of the PWM (pulse-width modulation) functionality …” „… transmitted/received data, error detection as well as signalling, and management of the medium access. There is just …” „… CAN conference) 2020 proceedings. The university of Kassel has double-checked the error detection …”

Z. Hermon Active Acoustics Innovations Supported by Tuning & Prediction Tools S. 331-338

„… in vehicle development. Instead of a tedious trial and error optimization process, a CAD tool can …” „… . Integrity check routines to support diagnostics for development phases, end of line (EOL) production phase …” „… ™ technology is an advanced signal processing method for superior control of the sound waves by audio phase …”

C. Schwager Transformation of the Software Integration Process S. 215-222

„… the integration phase. Based on this release candidate and testing, a new SW revision [N+1] is …” „… project phases when everyone is focusing on the features and building up technical depts. Another extreme …” „… frameworks are error prone and cost intensive. Therefore, a build framework that fulfils the involved …”

S. Wonneberger, S. Balci Reliable Validation of Highly Automated Driving Functions by Increasing the Virtualization Level of High Performance Computing Platforms and Smart Sensors S. 17-28

„… be achieved by an early and continuous integration and testing process over all development phases …” „… parts over all development areas. Especially in early development phases with only initial hardware …” „… environment. - Maximum Software Stack Inclusion To find a maximum amount on function errors with respect to …”

K. Brand Shifting Left the development of Electric Vehicle Products, from System to Software S. 563-578

„… cycle. We highlight the need for algorithm studies of xEV systems at the concept phase, which will …” „… running system-level tests to detect errors. TestWeaver generates thousands of scenario variations using …” „… different phases of the Vcycle. VDI-Berichte Nr. 2384, 2021 569 Fig. 4: Iterations in the Automotive …”

D. Geyer, C. Miedl Safety Architectures for Automotive Cross Domain Servers – Challenges and Potentials S. 447-458

„… degraded fail-safe reactions to critical errors. Fig. 4: 3-Level-Monitoring Concept ( Basis: Robert …” „… trustworthiness of safety requirements must be strongly emphasized in the FSC phase, including their verification …”

F. Rundo Perceptive Advanced Car-driver Drowsiness Monitoring Neuro-Embedded System S. 317-330

„… of wakefulness at the onset of the sleepy phase using the Low frequency (LF) and High Frequency (HF …” „… physiological phase, if the arteries will be hit by a certain light source, some of this will be reflected …” „… in the 1-10 Hz range, we have proceeded with the classic "try-and error" method and after a certain …”

M. Wachs, J. Jager, A. Berthold The Crossroads of Automotive Security and GDPR S. 623-640

„… known in the automotive sector, we collect typical errors in implementation and analyse which measures …” „… error and discrimination in profiling G5 Storage Limitation G17 Data protection by Default G6 …” „… depicted in Figure 2. This approach includes a continual security risk assessment in all phases following …”

O. Meyer, B. Bohlen Applying Standards for future Vehicle Diagnostic and Vehicle Lifecycle Management S. 409-422

„… and maintenance. Possible errors cannot be expected to be known a-priori and listed as DTCs …” „… engineering, the same arguments apply to early evaluation phases where you need to monitor and diagnose …” „… early on. During the engineering phase routines, that eventually will become part of the functionality …”

J. Langkau, S. Wenz, T. V. Fernandez, L. Pullen, A. Tekavčič, N. Jezeršek, A. Wagner Electric Charge Lid – System components for future charge lid systems S. 475-488

„… , whose frequency, amplitude and phase (IQ) are detected by the receiver. Based on a feature extraction …” „… charging; empty/full/error). Charge port illumination lamp is not part of any required vehicle lighting …”

T. Fricke, F. Schuck, J. Vogelpoh, J. Ax, R. Stolpe, H. Amelunxen Collaborative Development of a Test Environment for Automated Driving S. 5-16

„… methods for the different development phases and system levels in an intelligent, effective and efficient …” „… enables the correction of time-stamps and the deliberate injection of errors. For some test system …”

A. Knoll The Case for an Open Integrating Operating System, Middleware Specification Development Approach S. 257-272

„… and find errors. We also need to realize that the leading software companies (Google, Microsoft …” „… individualisation, a plan for a “phase-wise” progression of the development environment including all processes …”

doi.org/10.51202/9783181023846

Gerald Sequeira - 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

Kein Zugriff

Auswählen

Gerald Sequeira

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

Reihe: Verkehrstechnik/Fahrzeugtechnik

Band 817 2022

Treffer in den folgenden Teilen:

Crash Severity and Restraint Strategy Prediction S. 88-122

„… description or definition. In the first phase, the MeanAbsolute Error (MAE) given by the validation process …” „… 74.61 78.82max. -ve error [ms] -28.54 -32.33 -27.84 -23.88 -21.66 -25.48training phase. One of the …” „… and restraint strategy prediction in the pre-crash phase. The white car isthe ego-vehicle and all …”

State of the Art S. 8-25

„… . Thistwo-step increases the error in estimation through the accumulation of errorsintroduced by each step.An …” „… approach is to use an optical phased array (a series of antennaswith phase shifters). In this technology …” „… , the phase of one antenna is adjustedrelative to the others for steering the laser beam [53]. With this …”

Titelei/Inhaltsverzeichnis

„… errors. However, accidents do happen and there are also some likelihoods that these automated vehicles …” „… for the predicted crash in the pre-crash phase. This work presents an approach to activate the vehicle …” „… approachto reduce the majority of accidents that are caused by human errors. However,accidents do happen and …”

Introduction S. 1-7

„… errors due to overspeeding, overtaking,drunken driving, or driver distraction [27]. According to the …” „… accident –1. Inappropriate speed 2. Incorrect road use 3. Overtaking errors 4. Influenceof alcohol 5 …” „… . Improper behavior towards pedestrians 6. Errors when passing 7.Ignoring priority 8. Leaving or entering a …”

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

„… the variationsof the lidar points measured by the sensor and Ee(t − 1) is the estimation error …” „… and estimation error are defined as 1.5 and 0.3 meters respectively.4.2.2 Experimental investigation …” „… three testing phases. The aim of the first phase was to compare thegeometrical predictions given by the …”

doi.org/10.51202/9783186817129

Petrissa Zell - Learning-Based Inverse Dynamics for Human Motion Analysis

Teilzugriff

Auswählen

Petrissa Zell

Learning-Based Inverse Dynamics for Human Motion Analysis

Reihe: Informatik/ Kommunikation

Band 877 2022

Treffer in den folgenden Teilen:

Related work S. 15-22

„… Muybridgein 1878. He proofed the existence of a flight phase in a horse???s gallop by inspecting animage …” „… sources of error arecapturing uncertainties and differentiation of motion states, measurement inaccuracies …” „… ofcontact forces and model approximation. The propagated errors often lead to unrealistictorque profiles …”

Titelei/Inhaltsverzeichnis

„… with high precision (on gait sequences: relative root mean squared errors of 7.0 %, 16.1 % and 11.9 …” „… NetworkSGD Stochastic Gradient DescentReLU Rectified Linear UnitMSE Mean Squared ErrorRMSE Root Mean Squared …” „… ErrorrRMSE relative Root Mean Squared ErrorMAE Mean Absolute ErrorCE Cross EntropyPDO Predictive Dynamics …”

Supervised learning of inverse dynamics S. 76-94

„… performs a classification on a set of handcrafted features to identifythe current motion phase and then …” „… infers the GRF/M and joint torques in the sub spacecorresponding to the class label. The gait phases are …” „… )‖2 ‖v2(t)‖2 ‖v3(t)‖2 ‖v4(t)‖2].(150)The modified feature vector isθ =[αTx vc]. (151)3. Gait Phase …”

Self-supervision by dynamics-based layers S. 95-122

„… are assessed by means of astandard mean squared error (MSE), the additional motion samples are …” „… solved by numerical integration. During this process, anacceleration, force or moment error propagates …” „… moments during swing/flight phases.6.2.4 Training ModesAs described above, the model allows the use of …”

Conclusions S. 123-126

„… curveswith values equal to zero during the swing/flight phases. This behaviour is difficult tocapture with a …” „… regression model and motivated the design of a multi-stage approachthat includes a gait phase classification …” „… contact would reducemotion capture errors that are passed on to the network’s internal dynamics …”

Fundamentals S. 23-61

„… classifier. In this work, it isone of the applied methods to classify gait phases as part of the multi-stage …” „… solution ofthe problem with minimal squared error. A further approach is to solve the optimizationproblem …” „… regression tree, typical impurity functions are the mean squared error (MSE) andthe mean absolute error (MAE …”

Introduction S. 1-14

„… human gait is a periodicmovement consisting of multiple gait phases as depicted in Figure 1. Regarding …” „… . Load response and pre-swing are also called double support phases. The associatedground reaction forces …” „… and joint moments exhibit a periodic pattern with progressionsthat are typical of the current phase …”

doi.org/10.51202/9783186877109

1

2 3 ... 63