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ALGORITHM FOR THE AUTOMATIC ESTIMATION OF AGRICULTURAL TREE GEOMETRIC PARAMETERS USING AIRBORNE LASER SCANNING DATA
ALS trees agriculture α-shape PCA algorithms
2016/11/30
The estimation of dendrometric parameters has become an important issue for the agricultural planning and management. Since the classical field measurements are time consuming and inefficient, Airborn...
EVALUATION OF RELATIVE GEOMETRIC ACCURACY OF TERRASAR-X BY PIXEL MATCHING METHODOLOGY
Remote sensing SAR Geo-location accuracy Pixel matching
2016/11/24
Recently, high-resolution commercial SAR satellites with several meters of resolutions are widely utilized for various applications and disaster monitoring is one of the commonly applied areas. The in...
GEOMETRIC AND REFLECTANCE SIGNATURE CHARACTERIZATION OF COMPLEX CANOPIES USING HYPERSPECTRAL STEREOSCOPIC IMAGES FROM UAV AND TERRESTRIAL PLATFORMS
Hyperspectral Radiometry Photogrammetry Geometry Matching Uncertainty
2016/11/23
Light-weight hyperspectral frame cameras represent novel developments in remote sensing technology. With frame camera technology, when capturing images with stereoscopic overlaps, it is possible to de...
ASSESSMENT OF THE GEOMETRIC QUALITY OF SENTINEL-2 DATA
Sentinel-2 Orthophoto Data Quality Edge Extraction Distance Calculation
2016/7/4
High resolution (10 m and 20 m) optical imagery satellite Sentinel-2 brings a new perspective to Earth observation. Its frequent revisit time enables monitoring the Earth surface with high reliability...
RADIOMETRIC AND GEOMETRIC ACCURACY ANALYSIS OF RASAT PAN IMAGERY
RASAT accuracy validation radiometry geometry satellite imagery
2016/7/4
RASAT is the second Turkish Earth Observation satellite which was launched in 2011. It operates with pushbroom principle and acquires panchromatic and MS images with 7.5 m and 15 m resolutions, respec...
GEOMETRIC AND RADIOMETRIC EVALUATION OF RASAT IMAGES
RASAT Georeferencing Accuracy Radiometric Quality Effective GSD SNR Analysis
2016/7/4
RASAT, the second remote sensing satellite of Turkey, was designed and assembled, and also is being operated by TüBİTAK Uzay (Space) Technologies Research Institute (Ankara). RASAT images in vari...
OBJECT-BASED ANALYSIS OF LIDAR GEOMETRIC FEATURES FOR VEGETATION DETECTION IN SHADED AREAS
LIDAR Object-based Analysis
2016/7/4
The extraction of land cover information from remote sensing data is a complex process. Spectral information has been widely utilized in classifying remote sensing images. However, shadows limit the u...
GEOMETRIC CALIBRATION OF ZIYUAN-3 THREE-LINE CAMERAS COMBINING GROUND CONTROL POINTS AND LINES
Geometric calibration three-line cameras ground control lines direct georeferencing orientation parameters Ziyuan-3 block adjustment
2016/7/4
Due to the large biases between the laboratory-calibrated values of the orientation parameters and their in-orbit true values, the initial direct georeferencing accuracy of the Ziyuan-3 (ZY-3) three-l...
Geometric Validation of CARTOSAT -1 Imagery
Satellite Remote Sensing, Digital Surface Models (DSM) Image Matching Adjustment Topographic Mapping Image Processing Accuracy Analysis
2015/11/24
The Institute of Geodesy and Photogrammetry (IGP) is participating in the Cartosat-1 evaluation program, a common initiative of ISRO (India) and ISPRS. Within this program, various test sites with ref...
GEOMETRIC AND RADIOMETRIC INVESTIGATIONS OF CARTOSAT-1 DATA
Cartosat-1 image quality image preprocessing sensor modelling RPCs 3D point positioning DSM generation performance evaluation
2015/9/17
The Institute of Geodesy and Photogrammetry (IGP) is participating in the Cartosat-1 evaluation program, a common initiative of ISRO (India) and ISPRS. Within this program various test sites with refe...
CONSISTENT ESTIMATION OF BUILDING PARAMETERS CONSIDERING GEOMETRIC REGULARITIES BY SOFT CONSTRAINTS
Building Reconstruction Parameter Estimation Constraints
2015/8/31
This paper describes a model for the consistent estimation of building parameters that is a part of a method for automatic building reconstruction from airborne laser scanner (ALS) data. The adjustmen...
CONSISTENT ESTIMATION OF BUILDING PARAMETERS CONSIDERING GEOMETRIC REGULARITIES BY SOFT CONSTRAINTS
Building Reconstruction Parameter Estimation Constraints
2015/8/28
This paper describes a model for the consistent estimation of building parameters that is a part of a method for automatic building reconstruction from airborne laser scanner (ALS) data. The adjustmen...
INVESTIGATING URBAN RAILWAY CORRIDORS WITH GEOMETRIC HIGH RESOLUTION SATELLITE DATA
urban railway QuickBird object oriented classification vegetation succession imperviousness
2015/8/3
Accurate analyses concerning the ecological value of urban railway sites are required to ensure a sustainable development of inner urban open space. One problem in this context is the great heterogene...
GEOMETRIC ACCURACY OF HIGH-RESOLUTION DATA FOR URBAN PLANNING
Ikonos QuickBird 2D Polynomial Transformations Geometric Accuracy
2015/7/30
The very high-resolution satellite data from IKONOS and QuickBird are in a competition to aerial images today. Although the
IKONOS satellite has provided the world’s first source of commercially ava...
SEMI-AUTOMATIC REGISTRATION AND CHANGE DETECTION USING MULTISOURCE IMAGERY WITH VARYING GEOMETRIC AND RADIOMETRIC PROPERTIES
Change Detection Automation Registration Feature Matching Multi-resolution
2015/6/1
Change detection is the process of identifying differences in the state of objects and/or phenomena under consideration by observing them at different times. Change detection is important for monitori...