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INSAR UNWRAPPING ERROR CORRECTION BASED ON QUASI-ACCURATE DETECTION OF GROSS ERRORS (QUAD)
QUAD, InSAR, Unwrapping Error Correction, Gross Error, L1-norm
2018/5/14
Unwrapping error is a common error in the InSAR processing, which will seriously degrade the accuracy of the monitoring results. Based on a gross error correction method, Quasi-accurate detection (QUA...
CAN WE USE LOW-COST 360 DEGREE CAMERAS TO CREATE ACCURATE 3D MODELS?
360° camera Accuracy Automation Low-cost Orientation Orthophoto Surface reconstruction
2018/6/4
360 degree cameras capture the whole scene around a photographer in a single shot. Cheap 360 cameras are a new paradigm in photogrammetry. The camera can be pointed to any direction, and the large fie...
ACCURATE AND FAST BUILDING DETECTION USING BINARY BAG-OF-FEATURES
Building Detection Simple Linear Iterative Clustering Binary Bag-Of-Features Machine Learning Local Feature Descriptor Classification
2017/7/13
This paper presents a non-interactive building detection approach employing binary bag-of-features (BBOF), namely, extracting building roof contours in remote sensing images automatically, rapidly and...
ACCURATE ESTIMATION OF ORIENTATION PARAMETERS OF UAV IMAGES THROUGH IMAGE REGISTRATION WITH AERIAL OBLIQUE IMAGERY
Unmanned Aerial Vehicles Aerial Oblique Imagery Image Matching Image Orientation
2017/7/13
Unmanned Aerial Vehicles (UAVs) have gained popularity in acquiring geotagged, low cost and high resolution images. However, the images acquired by UAV-borne cameras often have poor georeferencing inf...
GENERATING ACCURATE 3D MODELS OF ARCHITECTURAL HERITAGE STRUCTURES USING LOW-COST CAMERA AND OPEN SOURCE ALGORITHMS
Structure-From-Motion Dense Point Cloud Mesh Open Source Algorithms Architectural Heritage
2017/6/20
These studies have been conductedusing non-metric digital camera and dense image matching algorithms, as non-contact methods of creating monuments documentation.In order toprocess the imagery, few ope...
CLOSE RANGE UAV ACCURATE RECORDING AND MODELING OF ST-PIERRE-LE-JEUNE NEO-ROMANESQUE CHURCH IN STRASBOURG (FRANCE)
Close range photogrammetry UAV 3D reconstruction heritage documentation
2017/4/10
Close-range photogrammetry is an image-based technique which has often been used for the 3D documentation of heritage objects. Recently, advances in the field of image processing and UAVs (Unmanned Ae...
EXTRACTING ACCURATE AND PRECISE TOPOGRAPHY FROM LROC NARROW ANGLE CAMERA STEREO OBSERVATIONS
DEM/DTM Three-dimensional Application Planetary Mapping Geomorphology Modeling Processing
2016/11/8
The Lunar Reconnaissance Orbiter Camera (LROC) includes two identical Narrow Angle Cameras (NAC) that acquire meter scale imaging. Stereo observations are acquired by imaging from two or more orbits, ...
EFFICIENT AND ACCURATE INDOOR LOCALIZATION USING LANDMARK GRAPHS
Indoor Localization Landmark Graph Dead Reckoning
2016/7/8
Indoor localization is important for a variety of applications such as location-based services, mobile social networks, and emergency response. Fusing spatial information is an effective way to achiev...
POLE PHOTOGRAMMETRY WITH AN ACTION CAMERA FOR FAST AND ACCURATE SURFACE MAPPING
High resolution Orientation Point Cloud Accuracy Change Detection
2016/7/5
High resolution and high accuracy terrain mapping can provide height change detection for studies of erosion, subsidence or land slip. A UAV flying at a low altitude above the ground, with a compact c...
IMAGE CAPTURE WITH SYNCHRONIZED MULTIPLE-CAMERAS FOR EXTRACTION OF ACCURATE GEOMETRIES
Mobile Mapping Action Cameras Panoramic Photogrammetry Spherical Panorama Stereo Camera Dense Point Cloud Generation Multi-Sensor
2016/7/5
This paper presents a project of recording and modelling tunnels, traffic circles and roads from multiple sensors. The aim is the representation and the accurate 3D modelling of a selection of road in...
INTRODUCTION OF A PHOTOGRAMMETRIC CAMERA SYSTEM FOR RPAS WITH HIGHLY ACCURATE GNSS/IMU INFORMATION FOR STANDARDIZED WORKFLOWS
UAV RPAS Modular Airborne Camera System MACS Metric Camera Direct Georeference RTK-GNSS
2016/3/25
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 focu...
An Accurate Registration Method Based on Point Clouds and Redundancy Elimination of LIDAR Data
LIDAR Point cloud Registration
2015/12/16
A new method for accurate registration and redundancy elimination on point clouds is presented in this paper. Firstly, the accurate
registration arithmetic which based on Iterative Closest Point (ICP...
Comparison of Three Accurate 3D Measurement Methods for Evaluating As-Built Floor Flatness
terrestrial laser scanning close-range photogrammetry construction quality
2015/12/14
One usual complaint about building quality is flatness of a floor. If deviations from planar could be discovered before construction is
completed, savings counted in time, money or reputation, can be...
Analysis of Full-Waveform LIDAR Data for an Accurate Classification of Urban Areas
lidar signal processing waveform analysis modelling classification urban
2015/12/4
In contrast to conventional airborne multi-echo laser scanner systems, full-waveform (FW) lidar systems are able to record the entire emitted and backscattered signal of each laser pulse. Instead of c...
Accurate DSM Production from Unmanned Helicopter Systems
DSM High Resolution Photogrammetry UAV
2015/11/24
Since the previous ISPRS conference in 2004 there have been several developments in modern navigation and earth observation. One of the new developments is accurate production of dense Digital Surface...