MACS-TumbleCam - ein neues Verfahren für Schrägluftbilder

Brauchle, Jörg; Rüther-Kindel, Wolfgang; Berger, Ralf

doi:10.1127/1432-8364/2014/0241

pfg

2014

DOI: 10.1127/1432-8364/2014/0241

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MACS-TumbleCam - ein neues Verfahren für Schrägluftbilder

Jörg Brauchle¹,

Wolfgang Rüther-Kindel²,

Ralf Berger³

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Cited by 3 publications

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“…In addition, remote-controlled drones are now available as platforms for cameras (e.g. Brauchle et al, 2014;Nex et al, 2015), and new concepts, such as range imaging (RIM) (e.g. Nitsche et al, 2013), are emerging.…”

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confidence: 99%

Field techniques for measuring bedrock erosion and denudation

Turowski

Cook

2016

Earth Surf Processes Landf

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Bedrock erosion rates in natural landscapes are usually slow, of the order of millimeters per year or less, and sophisticated techniques have been developed to measure them. Different techniques have proved to be valuable depending on the spatial and temporal scale on which information is needed, on the environment and on the scientific question that is asked. Here, we give an overview of the various methods that have been developed. We introduce their working principles and outline their advantages and disadvantages. Further, we provide comprehensive references to relevant literature, both on the methods and on scientific examples of their application.

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confidence: 99%

Field techniques for measuring bedrock erosion and denudation

Turowski

Cook

2016

Earth Surf Processes Landf

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Introduction of a Photogrammetric Camera System for Rpas With Highly Accurate GNSS/Imu Information for Standardized Workflows

Kraft

Geßner

Meißner

et al. 2016

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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In this paper we present the evaluation of DLR’s modular airborne camera system MACS-Micro for remotely piloted aircraft system (RPAS) with a maximum takeoff weight (MTOW) less than 5kg. The main focus is on standardized calibration and test procedures as well as on standardized photogrammetric workflows as a proof of feasibility for this aerial camera concept. The prototype consists of an industrial grade frame imaging camera and a compact GNSS/IMU solution which are operated by an embedded PC. The camera has been calibrated pre- and post- flight using a three dimensional test field. The validation of the latest prototype is done by a traditional photogrammetric evaluation of an aerial survey using 39 ground control points. The results, concerning geometric and radiometric features of the present system concept as well as the quality of the aero triangulation, fulfill many of the aimed keyspecifications.

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Evaluation of a Metric Camera System Tailored for High Precision Uav Applications

Kraft

Geßner

Meißner

et al. 2016

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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ABSTRACT:In this paper we present the further evaluation of DLR's modular airborne camera system MACS-Micro for small unmanned aerial vehicle (UAV). The main focus is on standardized calibration procedures and on photogrammetric workflows. The current prototype consists of an industrial grade frame imaging camera with 12 megapixel resolutions and a compact GNSS/IMU solution which are operated by an embedded computing unit (CPU). The camera was calibrated once pre-flight and several times post-flight over a period of 5 month using a three dimensional test field. The verification of the radiometric quality of the acquired images has been done under controlled static conditions and kinematic conditions testing different demosaicing methods. The validation of MACSMicro is done by comparing a traditional photogrammetric evaluation with the workflows of Agisoft Photoscan and Pix4D Mapper. The analyses are based on an aerial survey of an urban environment using precise ground control points and acquired GNSS observations. Aerial triangulations with different configuratrions of ground control points (GCP's) had been calculated, comparing the results of using a camera self-calibration and introducing fixed interior orientation parameters for Agisoft and Pix4D. The results are promising concerning the metric characteristics of the used camera and achieved accuracies in this test case. Further aspects have to be evaluated by further expanded test scenarios.

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MACS-TumbleCam - ein neues Verfahren für Schrägluftbilder

Cited by 3 publications

References 0 publications

Field techniques for measuring bedrock erosion and denudation

Field techniques for measuring bedrock erosion and denudation

Introduction of a Photogrammetric Camera System for Rpas With Highly Accurate GNSS/Imu Information for Standardized Workflows

Evaluation of a Metric Camera System Tailored for High Precision Uav Applications

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