VDI Verlag eLibrary

Temporally Consistent Superpixels

Matthias Reso

Reihe: Informatik/ Kommunikation

Band 861 2018

Treffer in den folgenden Teilen:

„… (occlusion)+LK/HS and the latter by TCS (occlusion)+HS, respectively. In the trend of the graphs in Figure 5.14 it …” „… TSP which is closely followed by the TCS (occlusion)+LK/HS variant. TCS (mesh) and TCS (occlusion)+HS …” „… propagation, described in Section 4.1.2. The former is combined with the occlusion-based handling of the …”

Conclusions S. 105-108

„… changes in the scene induced by occlusion and disocclusion. During the propagation, the indicators are …” „… occluded over time and where new image content is disclosed. To determine the exact occlusion boundary of …” „… (occlusion) and TCS (mesh), are compared to three state-of-the-art streamingcapable approaches for …”

Introduction S. 1-9

„… changes in the video such as occlusion or disocclusion. In [14], Chang et al. propose a generative …” „… general introduce structural scene changes in the some form of occlusion or disocclusion of image regions …” „… about the occlusion or disocclusion boundaries present in the video material. Thereby, the locations at …”

Superpixel Propagation and Handling of Structural Changes S. 46-63

„… superpixel segmentation to the structural changes in the video volume induced by occlusion. 4.1.1 Propagation …” „… presence of object occlusion or self-occlusion. Similarly in other places, superpixels are shifted away …” „… segmentation to the structural changes induced through occlusion and disocclusion. Approaches to adapt the …”

Titelei/Inhaltsverzeichnis S. I-XII

„… – Supervoxels – Oversegmentation – Occlusion – Interactive Video Segmentation This thesis addresses the field of …” „… ensure the consistency of the superpixel flow with the image movement while considering visual occlusion …” „… Occlusion and Disocclusion Detection . . . . . . . 58 VI Contents 5 Experimental Results 64 5.1 Evaluation …”

Superpixels with Temporal Consistency S. 34-45

„… Space Setup 35 RGB to LAB Optical Flowz−1 Segmentation Propagation Occlusion Detection Cluster Analysis …” „… Superpixel Segmentation of Frame t− F Dis-/Occlusion Information Input Output Handling of Structural Changes …” „… . Optionally, the propagation is simultaneously utilized to detect information about the occlusion and …”

Bibliography S. 109-122

„… . Morariu, Y. Wang, and L. Davis. Interactive video segmentation using occlusion boundaries and temporally …” „… occlusions using graph cuts. In Proceedings of the IEEE International Conference on Computer Vision, volume 2 …” „… 1994. [76] P. Sundberg, T. Brox, M. Maire, P. Arbeláez, and J. Malik. Occlusion boundary detection and …”

doi.org/10.51202/9783186861108

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Object-Level Fusion for Surround Environment Perception in Automated Driving Applications

Michael Aeberhard

Reihe: Verkehrstechnik/Fahrzeugtechnik

Band 804 2017

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Existence Probability S. 93-115

„… architecture, the problem of occlusions will be handled at the fusion-level and, therefore, the simple …” „… probability in a Cartesian coordinate system. The persistence probability can be extended with occlusion …” „… probability based on the field of view is multiplied with the occlusion persistence probability, poccp (OS(k|k …”

Evaluation S. 133-151

„… ◦ and a maximum range of 250m is used for reliable object detection, even under partial occlusions and …” „… the evaluation considering occlusions, labeled ground truth objects which are occluded by other …” „… and side. Furthermore, the evaluation is shown once without occlusion detection (Figure 7.12a) and …”

References S. 172-202

„… Tracking Under Occlusions and Split and Merge Effects,” in IEEE International Conference on Intelligent …” „… , pp. 414–419. [167] ——, “Dealing with Occlusions with Multi Targets Tracking Algorithms for the Real …” „… . 371–376. 184 References [168] ——, “CPHD filter addressing occlusions with pedestrians and vehicles …”

Titelei/Inhaltsverzeichnis S. I-XVI

„… Modeling with Dempster-Shafer Evidence Theory . . . . . . . . . . 105 5.2.3 Extension for Occlusion …”

doi.org/10.51202/9783186804129

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Grid-Based Object Tracking

Sascha Steyer

Reihe: Mess-, Steuerungs- und Regelungstechnik

Band 1272 2021

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Evaluation S. 127-164

„… ], focusing on a scenario with partial occlusion of the road boundary. Third, the occupancy classification of …” „… with temporary occlusion depicted the main motivation for further enhancing the GTAM approach regarding …” „… highlighting the effect of partial occlusion for objects moving closely to the ego vehicle. A qualitative …”

Conclusion S. 165-168

„… occlusions. Thereby measurement data of multiple lidar, radar, and camera sensors are fused, obtaining a full …” „… , and sparse sensor data in far distances as well as partial occlusions. In addition to that generic …” „… moving objects, or partial occlusions with gaps in-between, where clustering-based approaches without any …”

Introduction S. 1-12

„… in larger distances, partial occlusion, or objects with unusual shapes that have not been explicitly …” „… ., clutter, or when multiple measurements are originated by the same track, e.g., due to partial occlusion …” „… exemplarily illustrated in Fig. 1.1c. For urban scenarios with densely moving objects, partial occlusion, and …”

Object Extraction and Association S. 79-100

„… clusters due to partial occlusions, but also the other way, i.e., one combined cluster can also be …” „… association ambiguities, especially in scenarios with partial occlusions or densely moving traffic. Two …” „… occlusion, or clutter noise. The fused measurement grid of this work, as presented in Chapter 2, already …”

Object State Estimation S. 101-126

„… association, in scenarios with different viewing angles of a moving object, temporal occlusions, or densely …” „… change through occlusion or a changing sensor field of view, as it is only a minimum bounding box …” „… edge is fully visible regarding surrounding freespace, e.g., due to partial occlusion, the reference …”

Titelei/Inhaltsverzeichnis S. I-XII

„… autonomous driving in complex urban scenarios with densely moving traffic, partial occlusions, and …”

Dynamic Grid Mapping and Particle Tracking S. 39-78

„… filtered by the particles without an additional grid map accumulation, occlusion also leads to particle …”

Measurement Grid Representation and Fusion S. 13-38

„… of the environment. However, to further improve the robustness against noise, occlusion, or missing …”

doi.org/10.51202/9783186272089

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Graphical Model MAP Inference with Continuous Label Space in Computer Vision

Oliver Müller

Reihe: Informatik/ Kommunikation

Band 860 2018

Treffer in den folgenden Teilen:

Introduction S. 1-14

„… limited to (in-)extensible surfaces. The handling of occlusions or the expression of articulated motion is …” „… , occlusions, or image noise. A parametrization via uni-modal Gaussian distributions is hence inappropriate …” „… graphical models is developed and extended by (semi-) automatic model initialization and occlusion reasoning …”

Tracking S. 78-106

„… background undergo strong appearance changes or temporal occlusions of the target object occur. Changes of …” „… rotation), occlusions, camera blur, and many more. Object appearance descriptors have to be as invariant as …” „… tracker robustness with respect to non-rigid object deformations and partial occlusions when compared to …”

Conclusions S. 107-110

„… annotating the object parts and relations. The proposed tracker is robust against partial occlusions and …”

Bibliography S. 128-146

„… ), 2010. [107] Erik B. Sudderth, Michael, William T. Freeman, and Alan S. Willsky. Distributed occlusion …” „… occlusion and spatial constraints in human pose estimation. In European Conference on Computer Vision (ECCV …” „… : Occlusionsensitive articulated pose estimation. In IEEE Conference on Computer Vision and Pattern Recognition (CVPR …”

Related Work S. 15-24

„… selected from a broad set of sources with a focus on diversity of visual attributes such as occlusions …”

doi.org/10.51202/9783186860101

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Expressive Personalized 3D Face Models from 3D Face Scans

Stella Graßhof

Reihe: Informatik/ Kommunikation

Band 868 2020

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Face Databases S. 40-58

„… include emotions, action units, rotations and occlusions. A complete list is provided in table 3.3. In Fig …” „… appearance by expression is larger, due to more recordings including different AUs, occlusions, and rotations …” „… CR_RD Right-Downwards CR_RU Right-Upwards O_EYE Eye Occlusion O_MOUTH Mouth Occlusion O_GLASSES …”

Introduction S. 1-14

„… and closing of eyes and mouth, lead to occlusions and holes in the 3D scans. This poses additional …”

Experiments S. 146-173

„… occlusions in 6.3 Dense 3D Reconstruction from sparse 2D 171 the face region. In contrast to that the SFM …”

Face Models S. 114-145

„… into four sub-figures with partial occlusions covering selected cluster of points, which would be …”

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

„… occlusions, e.g. by glasses, and both provide additional information such as triangles, which connect the 3D …”

doi.org/10.51202/9783186868107

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Higher-Order Multiple Object Tracking

Roberto D. Henschel

Reihe: Informatik/ Kommunikation

Band 875 2021

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Introduction S. 1-32

„… occlusions. Microbiology. Multiple object tracking has also drawn attention in microbiology. For example, it …” „… relatively expensive1. Using LIDAR or RADAR, object occlusions cannot be handled well since re-identification …” „… occlusion, only the right and left side of the person is visible in frame f2 and f3, respectively. As there …”

HO-MOT with Signal Fusion S. 80-129

„… information is missing (e.g., due to occlusions) or ambiguous (e.g., due to similar appearance caused by …” „… highlighted person (due to the occlusion), the person’s head is still visible so that the MOT system localizes …” „… . The sequences MOT16-05 and MOT16-11 contain many partial occlusions that make it difficult for the DM …”

Conclusions S. 165-171

„… tracklet that do not contain impaired visual information, such as partial occlusions or motion blur …”

Lifted Disjoint Paths S. 130-164

„… distance of an edge is set to 2 seconds, allowing to recover persons even after long occlusions. The …” „… long-term consistent trajectories. In contrast, object occlusions cause Tracktor to create new trajectories …” „… trajectories despite heavy occlusions. 4.7.10 Benchmark evaluations We compare the tracking performance of …”

Fundamentals S. 33-79

„… underrepresented in the training data and partial occlusions. For the case of people tracking, we also utilize a …” „… . Consequently, associations can be performed accurately even in cases of strong occlusions, non-rigid …”

Bibliography S. 172-196

„… tracking under occlusions”. In: Proceedings of the European Conference on Computer Vision (ECCV). Springer …”

doi.org/10.51202/9783186875105

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Human Motion Capture with Sparse Inertial Sensors and Video

Timo von Marcard

Reihe: Informatik/ Kommunikation

Band 866 2020

Treffer in den folgenden Teilen:

Introduction S. 5-21

„… ) sensor surface creates depth-ambiguities and occlusions, which are resolved in different ways. Multiple …” „… all camera-based motion capture systems are occlusions. In order to triangulate a point on the body, a …” „… structure of the human body 8 1.4 State of the Art quickly generates occlusions and points on non-facing …”

Conclusions S. 103-106

„… self-occlusions generated by the articulated structure of the human body. Motion capture with inertial sensors …” „… multiple people, can cope with temporal occlusions and works in natural environments. Future Work In this …”

Sparse Inertial Poser S. 49-73

„… are prone to occlusions and during continuous operation, a free line of sight have to be available …” „… occlusions, baggy clothing or where tracking with a dedicated camera is simply not possible. However …” „… recorded yet. Hence, a less intrusive solution that can capture people through occlusions is needed. In …”

Video Inertial Poser S. 74-102

„… , we usually have many people visible in the video, frequent occlusions and cluttered background. Also …” „… in clothing and no environmental occlusions. As a result, evaluations of 3D human pose estimation …” „… . Furthermore, the scenes we tackle in this work include complete occlusions, multiple people, tracked persons …”

doi.org/10.51202/9783186866103

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ELIV 2023

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2423 2023

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X. Wang, A. Hübner, K. Weishaupt, K. Chung Validation and Interpretation of Neural Networks: DNN-Based Object Detection as an Example S. 419-436

„… such metrics include Scenario Coverage, Adversarial Confidence Loss, Heatmap-Based Occlusion …” „… within 20 meters”, “synthetically generated”, “without any occlusion” or other interesting objects. Such …” „… in the following figure. VDI-Berichte Nr. 2423, 2023432 Fig. 12: Different occlusions of the …”

P. Laufer Estimation of Gender and Age of Vehicle Occupants Using Deep Learning S. 27-38

„… VDI-Berichte Nr. 2423, 2023 29and incorporated into CNN training. Factors such as occlusions caused by …” „… classification success. In addressing these occlusions, this strategy employs a specific approach where the CNN …” „… gray scaling, and random occlusion, as illustrated in figure 2, among others. Fig. 2: The image of an …”

J. Sieracki, R. Yang, A. Vamos, M. Caggiano Seeing with Sound: AI-Based Detection of Participants in Automotive Environment from Passive Audio S. 293-306

„… non-line-of-site situation with occlusions and reflections, in which the emergency vehicle has a high likelihood of …”

M. Nestoriuc, H. Walia Criticality driven data acquisition in autonomous driving – A basis for completeness and safety argumentation S. 1-16

„… Conditions: e.g., dirty, slippery conditions, or the presence of ice and snow.  Occlusion of relevant …”

doi.org/10.51202/9783181024232

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Human Pose Estimation from Monocular Images

Bastian Wandt

Reihe: Informatik/ Kommunikation

Band 869 2020

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Exploiting Temporal Properties S. 40-79

„… is robust to noise and also able to handle occlusions and reconstruct the occluded body parts …” „… occlusions and noisy data. Summarizing, the contributions are: • A periodic model for the mixing coefficients …” „… non-periodic approach. 4.1.6.7 Occlusions Figure 4.14: Left: Observation data of a person walking behind a box …”

Titelei/Inhaltsverzeichnis S. I-XIV

„… reconstructs everyday motions even with very noisy input data and occlusions but struggles to recover small …” „… deviations with only minor degradation in robustness to noise and occlusions. The second part of the thesis …”

Conclusions S. 97-100

„… learned pose basis enables the proposed algorithm to produce good reconstructions even with occlusions …”

Single Image Reconstruction Using Adversarial Training S. 80-96

„… parameters. To deal with occlusions columns in W and X that correspond to not detected joints can be set to …” „… outliers and occlusions in the 2D detections. In our opinion, although widely used on Human3.6M, the …”

Introduction S. 1-16

„… influence of noise and occlusions. Multiple experiments based on a 3D error metric demonstrate the stability …”

doi.org/10.51202/9783186869104

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Fahrerassistenzsysteme und automatisiertes Fahren

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2394 2022

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T. Moers, C. Klas, A. Zlocki, L. Vater Real World Scenarios for the Safety Validation and Development of Highly Automated Driving Functions S. 121-130

„… occlusions and influencing other road users’ behavior. These data can be used to extract trajectories and …” „… by vehicle to vehicle occlusions. Another approach for trajectory data collection are infrastructure …” „… vehicle occlusions can also be addressed by fusing data from multiple poles. That means, that these …”

doi.org/10.51202/9783181023945

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Fahrzeugsicherheit

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2426 2023

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P. Laufer, R. Konhäuser Camera-Based Gender Estimation of Vehicle Occupants with Virtual Testing Using Synthetic Data S. 99-112

„… considered and incorporated into CNN training. Factors such as occlusions caused by occupants wearing glasses …” „… addressing these occlusions, this strategy employs a specific approach where the CNN is not directly fed with …” „… occlusion, as illustrated in figure 1, among others. For the validation data and test data, the gender and …”

L. F. A. de Oliveira, L. Schories Evaluation of the performance of an AEB system considering the reduction of injury severity in not-avoided cases using the injury risk function built with a logistic regression model and GIDAS Data S. 339-354

„… pedestrian detection. This study assumed a perfect detection system without occlusions, which may not reflect …”

doi.org/10.51202/9783181024263

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Nicht-okklusive Schlauchpumpe zum schonenden Transport von sensiblen Medien

Sebastian Pech

Reihe: Biotechnik/Medizintechnik

Band 298 2020

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Titelei/Inhaltsverzeichnis S. I-XVIII

„… without complete tube occlusion. This decreases the mechanical stress on the transported fluid and can …” „… backflow inside the tube because of the partial occlusion. This is in contrast to conventional peristaltic …” „… occlusion. Obviously, there is a contradiction between a high hydraulic power and the reduction of the …”

doi.org/10.51202/9783186298171

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A partitioned solution approach for fluid-structure interaction problems in the arterial system

Lars Radtke

Reihe: Mechanik/Bruchmechanik

Band 353 2020

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Fluid-structure interaction in the arterial system S. 6-22

„… . The risk posed by the plaques is to be seen in a possible occlusion of a vessel. This may happen due …” „… to the formation of a thrombus [13]. The thrombosis may then lead to an occlusion in the region of …” „… the ruptured plaque or, after a detachment of thrombus material, cause an occlusion in smaller, distal …”

Introduction S. 1-5

„… an increased risk of an anew occlusion in this region. The local flow conditions are assumed to play …”

Titelei/Inhaltsverzeichnis S. I-X

„… development of intimal hyperplasia, i.e. a thickening of the vessel wall that may lead to occlusions in the …”

doi.org/10.51202/9783186353184

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