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

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Yasser Estuardo Samayoa Paredes

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

Reihe: Informatik/ Kommunikation

Band 881 2023

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Bibliography S. 125-138

„… Conference on Image Processing. Vol. 3. 2002, pp. III–III.[3] I. Avcibas, N. Memon, and B. Sankur …” „… . “Steganalysis using imagequality metrics.” In: IEEE Transactions on Image Processing 12.2(2003), pp. 221–229.[4 …” „… International Conference on Image Processing (ICIP).accepted for publication. Sept. 2021.[10] B Bross, J Chen, S …”

Introduction S. 1-14

„… Concealment for VVC. In: Proccedings of the28th IEEE International Conference on Image Processing (ICIP),2021 …” „… Rayleigh Fading channel. In: InternationalConference on Wireless Communications and Signal Processing(WCSP …” „… baseband signal processing in boththe transmitter and the receiver are done in software, while theup/down …”

Digital Video Compression S. 15-49

„… processing architectures in comparison to its predecessors standards.For instance, it provides a bit-rate …” „… same frame, which at the sametime permits a parallel processing. There are three partitioning …” „… parametersas part of the pre-processing procedure of the input video signal.2.6.1 Quantization Parameter QPThe …”

Video Communication System S. 85-119

„… blockdigital frames or pictures si at some bitrate Ri in bits per second, e.g., asequence of image in YUV color …” „… besides the processingdelay of each block and the propagation delay of the signal over thechannel. In …”

doi.org/10.51202/9783186881106

Felix Konstantin Kuhnke - Unsupervised Domain Adaption for Real-World Head Pose Estimation from Synthetic Data

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Felix Konstantin Kuhnke

Unsupervised Domain Adaption for Real-World Head Pose Estimation from Synthetic Data

Reihe: Informatik/ Kommunikation

Band 883 2023

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Evaluation S. 61-98

„… detections or bounding boxes forfurther processing. Biwi images show a room with one, two, or threevisible …” „… detectionsfor an image and about 2% of images have no face detections. This againrequired manual processing to …” „… the image.the final output and therefore the performance of all subsequent elementsof the processing …”

Bibliography S. 111-128

„… syntheticimages.” In: IEEE Int. Conf. on Image Processing. 2016, pp. 1289–1293.[25] P. Werner, F. Saxen, and A …” „… Conference on Image Processing, ICIP 2017, Beijing, China,September 17-20, 2017. IEEE, 2017, pp. 3909–3913 …” „… Pose Estimation.” In:2022 IEEE International Conference on Image Processing (ICIP). 2022,pp. 2496–2500 …”

Domain adaptation using relative pose consistency S. 45-60

„… , perturbationsare typically implemented as various transforms based on image pro-cessing, which are then called …” „… domain-wise batch processing,confidence thresholding, and a class balance loss. To improve conver-gence, they …” „… tasks, these perturbations are typicallyimplemented as various image augmentations, e.g., spatial …”

Fundamentals S. 11-30

„… recognition, natural lan-guage processing like sentiment analysis, or object detection in images.In all of …” „… imageto detected face positions, pose estimation on these cropped images,further processing of the …” „… predictive function ft(·). A great example of inductiveTL is fine-tuning a model pre-trained on ImageNet [13 …”

Conclusion S. 99-102

„… . Ourmethod allows pose-altering augmentations, like image rotations, to beincorporated into a consistency …” „… processing scheme, toimprove performance. We found that this batch processing is vital toimprove performance …” „… the effects of data pre-processing concealed methodological contributions. Our study includesseveral …”

Titelei/Inhaltsverzeichnis

„… processing unitHPE head pose estimationMAE Mean Absolute ErrorMSE Mean Squared ErrorNN neural networkPADA …” „… onlabeled image data. Unfortunately, this data is not easy to obtain. An in-creasingly relevant approach to …” „… unsupervised domain adaptation (DA) meth-ods for image-based head pose estimation in synthetic-to-real …”

Partial adversarial domain adaptation for continuous label spaces S. 31-44

„… , respectively.Images from source and target domain are fed into the feature extractor tocreate a feature representation …” „… for further processing. The discriminatorhas to classify to which domain a feature belongs. The …” „… create images that shouldbe indistinguishable from a given distribution, DANNs create …”

Publications of felix konstantin kuhnke S. 129-136

„… ), Ilmenaueducation2014 Master of Science in Media TechnologySpecialization: Signal ProcessingTechnische Universität …” „… Flesh ApplesUsing Digital Photography and Image Analysis.” In: Horticulturae8.2 (Jan. 2022). issn …” „… . Ostermann. “Deep head pose estimation usingsynthetic images and partial adversarial domain adaption for …”

Introduction S. 1-10

„… image-based face analysis. Superior performance for image relatedtasks was made possible by convolutional …” „… neural networks (CNNs) andthe availability of large image datasets (e.g., ImageNet [13]). A generalrule …” „… facialanalysis.Unfortunately, one of the major challenges with facial analysis is data.Features of face images are hard to …”

doi.org/10.51202/9783186883100

VDI Wissensforum GmbH - International Conference on Gears 2023

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VDI Wissensforum GmbH (Hrsg.)

International Conference on Gears 2023

Reihe: VDI-Berichte

Band 2422 2023

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B. Černe, N. Vukašinović, D. Zorko In-situ experimental methods for measuring tooth meshing displacements and wear during polymer gear tests using a high-speed camera with microscopy optics S. 1563-1580

„… read by the algorithm, along with several main gear parameter data and image processing parameters. In …” „… the wear measurement pre-processing phase. A) original HSC recording image, b) brightness calibration …” „… a) b) Fig. 6: Processing phase: a) identification of the TOI profile and b) limitation of the image …”

T. Schmid-Schirling, N. Saum, C. Eberz de Oliveira Löhrer Marker-Free, Single Item Traceability in Gear Wheel Production Based on Inherent Surface Patterns S. 1877-0

„… two industrial use cases are presented. Optical setups as well as image processing routines were …” „… images via an image processing algorithm. These features are stored in a database together with a unique …” „… of the best match is returned.In [3] such an image processing algorithm is presented for the robust …”

G. Guimarães, L. Robatto, R. Rego, A. Faria, A. Borille, J. Mascheroni Surface integrity of 20MnCr5 pinion gears manufactured through laser powder bed fusion S. 1845-1858

„… process, but also to investigate the influence of the post-processing chain on the final properties of the …” „… of RS along the post-processing chain of 20MnCr5 and found a heterogeneous stress distribution over …” „… analyzing the 20MnCr5 powder through Dynamic Image Analysis, it was observed that the material was composed …”

I. Criscuolo, F. Carneiro, G. Guimarães, R. Rego, J. Mascheroni Indirect Selective Laser Sintering: Modeling and analysis of surface densification by shot peening S. 1681-1698

„… necessary for these analyses. With the registered images, ImageJ image processing software was used to …” „… automotive applications, into the density of iSLS processing with carburized steels densification achieved by …” „… post-processing of the sintered parts, the component shows a large amount of pores [5]. The study published by [8 …”

F. Reinle, D. Mangherini, A. Bongiovanni Enhancing gear performance through advanced mass finishing and DEM simulation S. 1777-1786

„… grows to a certain height, generating beneficial pressure for the processing. This process is …” „… optimal holder rotation speed. It is likely that a non-linear effect of processing intensity contributes …” „… evaluating local process effectiveness, since no processing occurs at a given location of the workpiece if …”

D. Park, A. Rezayat, Y. Gwon Design optimization of multi-stage gear trains with asymmetric teeth under a broad range of torques by incorporating multibody simulations S. 383-396

„… , durability, tooth modification, gear contact simulation, and post processing step for result plotting. Once …” „… flank line direction) of the best design Transmission error in a broad torque range The upper images in …” „… increase with torque as expected. The bottom images in Fig. 8 show the TEs from the best design, which …”

S. Moschkau, S. Held Optimization of product quality and manufacturing processes in real-time with vibration analysis S. 1821-1828

„… sensors are attached very close to the rotating parts to obtain a vibration image that is as undistorted …” „… processing, generates a frequency spectrum from this continuously using Fast Fourier Transformation (FFT) and …” „… drilling. The 100% inspection during processing also offers high savings potential. The reference spectra …”

B. van Wissen, L. Pastukhov, F. Mitsuzuka, K. Iwanaga, A. Hasanovic NVH performance of thermoplastic gears: modelling and measuring S. 1389-1402

„… simultaneously a sound file (.wav) which is used for detailed data post processing. Fig. 4: Standard test …” „… PTFE. Modelling and data post processing The gear setup was modelled in KISSsoft 2022 using the VDI …” „… post-processing is necessary on the .wav files generated by the microphone. The time signal is transformed with …”

P. Fischmann, A. Hilligardt, V. Schulze Tooth Root Burnishing in the Kinematics of Gear Skiving S. 1829-1844

„… uneconomical processing times due to lower feed rates. Hence, a tip diameter of 1.60 mm is chosen. After …” „… the images shown, the tool speed was 200 1/min. The right-hand picture shows the region of the tool …” „… of the tool exit (leading flank, LF). On the right are the images in the area of the tool entrance …”

P. Romio Spur Gear Teeth Reconstruction via Direct Laser Deposition S. 1641-1664

„… combinations, with inert gas protection, reducing the oxidation resulting from the high metal processing …” „… post-processing, the authors did not perform functional tests. Bons [11] is another author that evaluated the gear …” „… discussed in this section: 1. The machining post-processing to restore the teeth’ face width produced a …”

J.-A. Meis Parametric system simulation of load sharing in planetary gearboxes S. 269-280

„… Nr. 2422, 2023 271First, the input data is compiled, then the pre-processing in Ansys takes place …” „… readable by Ansys. The pre-processing in Ansys is done by means of APDL scripts, which build up the …” „… random variants of the stage with three planets. The images show the stresses after assembly of the stage …”

doi.org/10.51202/9783181024225

Sebastian Haug - Plant Classification and Position Estimation for Autonomous Field Robots

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Sebastian Haug

Plant Classification and Position Estimation for Autonomous Field Robots

Reihe: Informatik/ Kommunikation

Band 870 2020

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Plant Classification S. 40-69

„… scale plant classification image. The plant classification system comprises several processing stages …” „… : The major processing steps run online during classification of new images. Two additional offline …” „… class. In the following sections the processing steps which are applied to new images (online steps …”

Plant Position Estimation S. 70-95

„… a 3D image processing pipeline to segment broccoli heads from two down looking pointclouds [67 …” „… camera struggles. Furthermore, processing time is 5-6 s per image. These methods rely on 3D sensing …” „… processing steps are introduced in detail in the remainder of the chapter. tion 3.2). The image patches are …”

Introduction S. 1-8

„… processing of field images with machine vision to extract information about plants with the goal of enabling …” „… result in errors with these methods. Moreover, technologies other than 2D image processing are applicable …” „… ground-based tractor or robot mounted image sensors can deliver high resolution data about single plants or …”

Multispectral Image Acquisition and Vegetation Segmentation S. 24-39

„… will be used for all further processing steps in this thesis. Figure 3.1 displays an example image …” „… near-infrared channel should be present. 3.2 Vegetation Segmentation In many agricultural image processing tasks …” „… vegetation in color images [140]. The RGB images are converted to LAB color space before processing. Their …”

Background: Computer Vision andMachine Learning S. 9-23

„… processing applications on the internet. The discussion in the remainder of this section starts with image …” „… . Most advanced feature extraction techniques for image processing can be decomposed into a two step …” „… bar code and QR-code readers, when they acquire and process images and videos, or upload them to image …”

Bibliography S. 139-154

„… . IEEE Transactions on Image Processing, 17(12):2368–2380, Dec 2008. [128] R. Berns, L. Taplin, M …” „… background. In Image and Signal Processing, 2009. CISP ’09. 2nd International Congress on, pages 1–5, Oct …” „… early-season maize fields using object-based analysis of unmanned aerial vehicle (UAV) images. PLoS ONE, 8(10 …”

Titelei/Inhaltsverzeichnis

„… classification system is able to distinguish two or more plant classes in field images without the need for …” „… determining the position of both crop and weed plants only from image data. The combination of both methods …” „… . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 3 Multispectral Image Acquisition and Vegetation Segmentation 24 3.1 Multispectral Field Image …”

Experimental Results and Discussion S. 96-128

„… (https://github.com/cwfid/dataset). An accompanying paper [70] explains the dataset, discusses relevant image processing and …” „… train a classifier for this test image. The test image passes through all processing steps of the …” „… parameterization. After processing all images, detected plant stem positions are available for each image. They can …”

Conclusion S. 129-138

„… image processing tasks because they capture the color and near-infrared channels which allows to …” „… are a challenge for the plant classification and weeding job. The dataset images are used to evaluate …” „… computer vision system comprises three major components: Image acquisition and vegetation segmentation …”

doi.org/10.51202/9783186870100

VDI Wissensforum GmbH - 28. Deutscher Flammentag

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VDI Wissensforum GmbH (Hrsg.)

28. Deutscher Flammentag

Reihe: VDI-Berichte

Band 2302 2017

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M. Zhao, S. A. Kaiser Bildgebende Erfassung von Diesel-Klopfen durch Hochgeschwindigkeitskamera und „Optical Flow“ S. 369-382

„… . It appears that this method could be improved further by using the image processing technique of …” „… high-speed cinematography in an optically accessible Diesel engine. Image processing based on optical flow …” „… ) was taken as an example for analysis. Before detailed image processing, the onset and end of knock …”

C.-P. Ding, A. Renaud, R. Honza, A. Dreizler, B. Böhm Characterization of near-wall flows in a SI engine using high-speed PIV and high-resolution PI S. 345-356

„… subtraction VDI-Berichte Nr. 2302, 2017348 and a particle image velocimetry (PIV) processing followed by a …” „… camera on the other side (LaVision Imager sCMOS equipped with Sigma APO Macro 180 mm 1:3.5) recorded the …” „… speed controller (LaVision). Fig. 1: Experimental setup. The HR camera took images from −45°CA to …”

C. Chi, G. Janiga, K. Zähringer, D. Thévenin Indirekte Messung der Wärmefreisetzung in Wasserstoffflammen mittels Spezieskorrelationen S. 625-636

„… OH and CH2O PLIF images to approximate the heat release rate in turbulent premixed methane-air and …” „… corresponds to 0.5 ≤ H r ≤ 1, is captured from the binarized image and compared with the same image obtained …” „… binarized image for heat release from the DNS is black where 0.5 ≤ H r ≤ 1 and white where H r < 0.5, as …”

doi.org/10.51202/9783181023020

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