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Aron Sommer - Backprojection Autofocus of Large Ships with Arbitrary Motion for Synthetic Aperture Radar

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Aron Sommer

Backprojection Autofocus of Large Ships with Arbitrary Motion for Synthetic Aperture Radar

Reihe: Informatik/ Kommunikation

Band 867 2020

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Bibliography S. 119-128

„… . Dragosevic, and S. Chu. Ship detection and measurement of ship motion by multi-aperture Synthetic Aperture …” „… . “Ship Detection Based on YOLOv2 for SAR Imagery.” In: Remote Sensing 11.7 (Apr. 2019), p. 786. [CB09 …” „… , and R. Olsen. “Ship detection using high resolution satellite imagery and spacebased AIS.” In: 2010 …”

Autofocus of Large Ships with Arbitrary Motion S. 75-111

„… application, a large SAR image of the open sea is used for ship detection and classification. However, large …” „… ships with arbitrary motions are smeared, shifted and deformed in an airborne SAR image due to their …” „… non-linear motions including deformations, rotations and translations. This makes a classification or even an …”

Titelei/Inhaltsverzeichnis

„… . . . . . . . 69 4 autofocus of large ships with arbitrary motion 75 4.1 Ship Detection and Location Estimation …” „… / Kommunikation Reihe 10 Backprojection Autofocus of Large Ships with Arbitrary Motion for Synthetic …” „… Autofocus of Large Ships with Arbitrary Motion for Synthetic Aperture Radar Dipl.-Math. techn. Aron …”

Introduction S. 1-12

„… radio detection and ranging, was invented by Christian Hülsmeyer3 in 1904 in Germany. His system [Hü04a …” „… nominal track may be compensated by motion compensation techniques [NA13]. Curvy flight paths, where the …” „… algorithm uses the flight path explicitly so that no additional motion compensation techniques are necessary …”

Conclusions S. 112-116

„… ships with arbitrary motions robustly for all sea states. The well known FBP algorithm combines similar …” „… the ships appear smeared, shifted and deformed in the image. The reason is their non-linear motion …” „… including translations, rotations and deformations, we confirmed that a non-linear motion leads to a smeared …”

doi.org/10.51202/9783186867100

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

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Petrissa Zell

Learning-Based Inverse Dynamics for Human Motion Analysis

Reihe: Informatik/ Kommunikation

Band 877 2022

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Bibliography S. 130-152

„… . “Neural networks for detection andclassification of walking pattern changes due to ageing.” In …” „… (2016).[18] CMU. Human motion capture database. 2014. url: http://mocap.cs.cmu.edu/(visited on …” „… Makoviychuk, andStefan Jeschke. “Physics-Based Motion Capture Imitation with Deep ReinforcementLearning.” In …”

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

„… , detection errors and uncertainties of the lifting approach (ifthe 3D motions were reconstructed from 2D …” „… keypoint detections). Therefore, in order totest the robustness of the proposed models against noisy motion …” „… self-supervised learning for inverse dynamics of human motion. Itis based on an earlier publication from which …”

Conclusions S. 123-126

„… detection and change of the EOM according to the new contactstate) and the inclusion of a motion correction …” „… of motion. Based on the quantitativeevaluation it can be concluded that regression methods like …” „… moments from motion as described in Chapter 5. On the other hand,the space of usable data is increased to …”

Related work S. 15-22

„… reduced supervision in the broader field of human motion analysis(2.3).2.1 inverse dynamics by physical …” „… in the late 19th century allowed tovisualize even fast motion sequences and thus paved the way for …” „… at the linkage is approximated by net jointmoments that produce the motion of the rigid body system …”

Supervised learning of inverse dynamics S. 76-94

„… exactly this property can be exploited for the detection of abnormal motionpatterns, i. e. motions that …” „… representation of an input motion, as illustrated inFigure 19. In contrast to traditional model-based approaches …” „… moments duringthe full gait cycle using 3D motion data of multiple subjects. They can be divided into …”

doi.org/10.51202/9783186877109

Sascha Steyer - Grid-Based Object Tracking

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Sascha Steyer

Grid-Based Object Tracking

Reihe: Mess-, Steuerungs- und Regelungstechnik

Band 1272 2021

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Bibliography S. 170-186

„… . Asvadi, P. Peixoto, and U. Nunes. Detection and Tracking of Moving Objects Using 2.5D Motion Grids. In …” „… . Lopez. Vehicle Detection and Localization using 3D LIDAR Point Cloud and Image Semantic Segmentation. In …” „… . Chavez-Garcia and O. Aycard. Multiple Sensor Fusion and Classification for Moving Object Detection and Tracking …”

Object State Estimation S. 101-126

„… object state estimation. A UKF-based estimation of the dynamic motion state is presented, where the …” „… freespace and a box orientation optimization in terms of minimizing the included freespace. The motion state …” „… directly observable can be implicitly derived based on the motion tracking. That object state estimation …”

Introduction S. 1-12

„… , in particular the detection and tracking of moving objects in the context of automated driving. This …” „… in the context of autonomous driving, is the robust detection and temporal filtering of all kinds of …” „… with a motion model, which is then partly corrected by the actual measurement. Most commonly, different …”

Titelei/Inhaltsverzeichnis

„… – Moving Object Detection – Object State Estimation – Object Tracking – Occupancy Grid Mapping – Sensor …” „… Association Strategies . . . . . . . . . . . 83 4.2.1 Object Detection Based on Dynamic Occupancy …” „… Motion Estimation . . . . . . . . . . . . . . . . . . . . 115 VI Contents 5.5 Shape Estimation and Object …”

Conclusion S. 165-168

„… mobile robots, as also the requirements on the accuracy, the robustness, and the detection range are …” „… additional low-level dynamic grid estimation further enables a generic detection of arbitrary-shaped moving …” „… surrounding 360◦ detection area of heterogeneous sensors. Moreover, the grid-based framework of this work is …”

Measurement Grid Representation and Fusion S. 13-38

„… road boundary detection based on lidar and radar sensor data, which are compared but not fused in that …” „… state of 14 2.1 Introduction neighboring cells is considered to improve the obstacle detection for …” „… , equivalently to [50], detections with a non-zero Doppler velocity are ignored, which is further restrained by …”

Evaluation S. 127-164

„… redundancy of lidar, radar, and camera sensors. The maximum detection range of those sensors is about 150–200 …” „… illustrated in Fig. 6.2a, containing the range-based lidar and radar detections as well as the camera-based …” „… object instances. The measurement detections of each individual sensor are represented as a measurement …”

Dynamic Grid Mapping and Particle Tracking S. 39-78

„… to time t, with the time difference ∆t in-between, by a simple constant velocity motion model with …” „… generally not directly available for distance-based measurements like lidar detections. In terms of the …” „… means that a measured radial velocity, already compensated by the ego motion as discussed in (2.14 …”

doi.org/10.51202/9783186272089

Oliver Müller - Graphical Model MAP Inference with Continuous Label Space in Computer Vision

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Oliver Müller

Graphical Model MAP Inference with Continuous Label Space in Computer Vision

Reihe: Informatik/ Kommunikation

Band 860 2018

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Bibliography S. 128-146

„… Schiele. Pictorial structures revisited: People detection and articulated pose estimation. In IEEE …” „… to accurate structure and motion recovery. In LNCS International Symposium on Visual Computing (ISVC …” „… , and Ian Reid. Articulated body motion capture by annealed particle filtering. In IEEE Computer Vision …”

Introduction S. 1-14

„… limited to (in-)extensible surfaces. The handling of occlusions or the expression of articulated motion is …” „… Contributions 5 The part likelihoods can have a complex, multi-modal shape, for instance due to miss-detections …” „… presented in the appendix on the topic of motion compensation and image undistortion of 3D optical coherence …”

Appendix S. 111-127

„… Coherence Tomography This section summarizes the contributions of the author on OCT motion compensation and …” „… along the y-axis (slow scanning axis). In our setting we are confronted with severe axial motion shift …” „… skin tissue around a percutaneous implant (see Fig. A.3). Along the fast scanning axis, motion …”

Related Work S. 15-24

„… tracking-bydetection paradigm, whereby the object tracking problem is decomposed into two separate steps: detection and …” „… association [10]. The detection step is applied on each video frame independently. The result is a list of …” „… object candidates. The association step associates each detection candidate to a single individual …”

Tracking S. 78-106

„… motions and reducing overall localization noise. Selecting σr and σφ has analogous effects on changes in …” „… object scaling and rotation. This way one has to incorporate prior knowledge about the object motion in …” „… known approaches for pose estimation and detection of highly articulated objects such as humans. They …”

doi.org/10.51202/9783186860101

VDI Wissensforum GmbH - Schwingungen 2019

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VDI Wissensforum GmbH (Hrsg.)

Schwingungen 2019

Reihe: VDI-Berichte

Band 2366 2017

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M. Bauer, M. Hoffmann, M. Kley Methode zur Erkennung des Einflusses von äußeren Schwingungsanregungen bei der Wälzlagerzustandsüberwachung S. 343-354

„… äußeren Schwingungsanregungen vorgestellt, diese wird am Beispiel einer Continuous Motion …” „… monitoring of bearings by means of vibration monitoring and the detection of the frequencies of adjacent …” „… theoretical examination, the present method for the detection of external vibration excitations is presented …”

doi.org/10.51202/9783181023662

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