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EXPLORING THE APPLICABILITY OF SEMI-GLOBAL MATCHING FOR SAR-OPTICAL STEREOGRAMMETRY OF URBAN SCENES
TerraSAR-X WorldView-2 dense matching semi-global matching (SGM) data fusion SAR-optical stereogrammetry
2018/6/4
Nowadays, a huge archive of data from different satellite sensors is available for diverse objectives. While every new sensor provides data with ever higher resolution and more sophisticated special p...
A LOW-COST PANORAMIC CAMERA FOR THE 3D DOCUMENTATION OF CONTAMINATED CRIME SCENES
360 cameras Crime Scene Documentation Photogrammetry Feature Extractors
2018/3/5
Crime scene documentation is a fundamental task which has to be undertaken in a fast, accurate and reliable way, highlighting evidence which can be further used for ensuring justice for victims and fo...
METRIC EVALUATION PIPELINE FOR 3D MODELING OF URBAN SCENES
Photogrammetry 3D modeling metric evaluation benchmark open source multi-view stereo satellite imagery
2017/7/12
Publicly available benchmark data and metric evaluation approaches have been instrumental in enabling research to advance state of the art methods for remote sensing applications in urban 3D modeling....
WEAKLY SUPERVISED SEGMENTATION-AIDED CLASSIFICATION OF URBAN SCENES FROM 3D LIDAR POINT CLOUDS
Classification Segmentation Regularization LiDAR Urban Point Cloud Random Forest
2017/7/12
We consider the problem of the semantic classification of 3D LiDAR point clouds obtained from urban scenes when the training set is limited. We propose a non-parametric segmentation model for urban sc...
EFFICIENT SEMANTIC SEGMENTATION OF MAN-MADE SCENES USING FULLY-CONNECTED CONDITIONAL RANDOM FIELD
Man-made Scene Semantic Segmentation Fully Connected CRFs Mean Field Inference
2016/7/27
In this paper we explore semantic segmentation of man-made scenes using fully connected conditional random field (CRF). Images of man-made scenes display strong contextual dependencies in the spatial ...
Multi-image matching in object space on the basis of a general 3-D surface model instead of common 2.5-D surface models and its application for urban scenes
Surface Reconstruction Matching 3-d Surface Models Object Space
2016/5/23
A new method for high resolution surface reconstruction by multi-image matching in object space is formulated with regard to the integration of a general 3-d surface model in object space, because com...
This paper describes the investigations carried out at ETH Zurich on the very-high resolution optical satellite sensor WorldView-1.
The dataset includes a stereopair acquired in November 2007 over Mo...
Automated DSM based Georeferencing of CARTOSAT-1 Stereo Scenes
Georeferencing Digital elevation models (DEM) Digital photogrammetry Feature extraction Stereo CARTOSAT-1
2016/1/25
High resolution stereo satellite imagery is well suited for the creation of digital surface models (DSM). A system for highly automated
and operational DSM and orthoimage generation based on CARTOSAT...
Modeling Spatial Scenes in Disaster Domain Ontologies
Disaster Management Topological Relations Spatial Modeling Image Understanding Geographic Information Science
2015/12/17
Disasters create extremely dynamic situations which have to be handled by emergency operations centers. For fulfilling their task they rely on up-to-date information from on-site units and passer-bys....
Real-Time Orientation of a PYZ-Camera Based on Pedestrian Detection in Video Data of Wide and Complex Scenes
Computer Vision Detection Close Range Photogrammetry Absolute Orientation Urban Planning Tracking Multisensor Real-time
2015/12/9
Object detection and tracking is the basis for many applications in surveillance and activity recognition. Unfortunately the utilized cameras for the observation of wide scenes are mostly not sufficie...
Interpretation Terrestrial Images of Urban Scenes Using Discriminative Random Fields
Markov random fi eld parameter learning pseudo-likelihood man-made structure detection
2015/12/4
We investigate Discriminative Random Fields (DRF) which provide a principled approach for combining local discriminative classifiers that allow the use of arbitrary overlapping features, with ad...
Linear Constraints in Two-View Multiple Homography Estimation of Uncalibrated Scenes
Geometry Vision Homography Parameter estimation Video
2015/12/4
In this contribution, we present a method for direct linear estimation of multiple homographies and optimization of estimation results by enforcing topological constraints by means of connected compon...
SIMULATING CANOPY GAP FRACTION OF COMPLEX 3D FOREST SCENES OF PICEA SITCHENSIS (SITKA SPRUCE)
Forestry 3D canopy modelling gap fraction
2015/9/8
We present an application of 3D canopy modelling for assessing the structural accuracy of complex 3D structural models of
Sitka spruce. Such models can be used to simulate canopy reflectance at the l...
GRAPHICS TOOLS FOR THE GENERATION OF LARGE SCALE URBAN SCENES
Terrestrial Aerial Laser scanning
2015/8/28
The acquisition of 3D city and landscape models has been a topic of major interest within the photogrammetric community and a
number of algorithms became available both for the automatic and semiauto...
CROSS-CALIBRATION OF IRS-1C, -1D AND -P6: WIDE ANGLE SENSORS USING SYNCHRONOUS OR NEAR SYNCHRONOUS MATCHING SCENES
Inter-sensor calibration Relative spectral response Top-of-Atmosphere radiance
2015/8/28
For many applications (e.g., disaster management, precision farming), it is required to monitor events using multi-date satellite
imagery acquired over the same area. This requirement can be best met...