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Mutual Improvement of 2D Object Detection and 3D Tracking in Optical Navigation

Wischow, Maik (2019) Mutual Improvement of 2D Object Detection and 3D Tracking in Optical Navigation. Master's, Technische Universität Berlin.

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Abstract

This thesis investigates a combination of visual 3D object trackers and 2D object detectors for mutual improvement in accuracy and runtime. In the light of an application in the field of optical navigation, requirements such as high reliability, real-time capability and general applicability are pursued for the implementation. The combined application builds on the framework of the Integrated Positioning System - a multi-sensor system primarily used for self-localization and environment reconstruction. The developed object tracker approach works on point clouds, represents objects through Intrinsic Shape Signatures and Color Signature of Histograms of Orientations and locates objects using an advanced particle filter. As object detector, the Deep Learning based method YOLOv3 is employed. The semantics and the localization of the object detections are used to restrict the search space during object tracking. In return, the object tracking result is projected back onto the image, to additionally supplement object detections and enhance their precision. The combined method is compared to each separate method using established metrics. The experiments are based on complementary datasets from the real world and 3D simulations. Within both datasets, parameter setups, object classes and environmental scenarios are varied according to different attributes. The results show a faster and more accurate object tracking through the object detections. However, due to lower reliability, the proposed object tracker is not suitable for improving YOLOv3 detections.

Item URL in elib:https://elib.dlr.de/132623/
Document Type:Thesis (Master's)
Title:Mutual Improvement of 2D Object Detection and 3D Tracking in Optical Navigation
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Wischow, MaikMaik.Wischow (at) dlr.deUNSPECIFIED
Date:3 September 2019
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Number of Pages:121
Status:Published
Keywords:2D object detector, 3D object tracking, optical navigation, Integrated Positioning System
Institution:Technische Universität Berlin
Department:Fachgebiet Computer Vision & Remote Sensing
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Optische Technologien und Anwendungen, R - Vorhaben Optische Fernerkundung für sicherheitsrelevante Anwendungen
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Optical Sensor Systems
Institute of Optical Sensor Systems > Real-Time Data Processing
Deposited By: Wischow, Maik
Deposited On:17 Dec 2019 08:39
Last Modified:18 Dec 2019 08:29

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