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MEASURING A DYNAMIC AND FLOODING RIVER SURFACE BY CLOSE RANGE DIGITAL PHOTOGRAMMETRY
Close Range Photogrammetry Digital Surface Models Digital Photogrammetry Feature Extraction Hydrology, Floods Point Cloud
2015/12/26
Current state of the art computational fluid dynamics (CFD) and in particular, river flow modelling, require accurate estimation of the “free surface” in order to accurately predict the three dimensio...
THE ACCURACY OF THE OBJECTS POSITION MEASURING IN AN IMAGE
Vision Sciences Digital Geometry Photogrammetry Application Scanner Raster
2015/5/29
A discrete location of photo-sensitive elements in CCD and in other matrixes leads to the distortions of shape, reduction of sizes, shift, etc. of the objects in an image. As a result, the distortions...
PC-BASED 3D IMAGE MEASURING STATION WITH DIGITAL CAMERA AN EXAMPLE OF ITS ACTUAL APPLICATION ON A HISTORICAL RUIN
Three-dimensional Measurement Digital Camera Calibration Non-Metric Close Range Historical Ruin
2015/5/25
We have developed a new inexpensive PC-based photogrammetry system, by which we can accomplish rapidly in real time all the measurement and analysis, including photographing, 3D measurement, plotting,...
MEASURING RIVER-BED AND FLUME MORPHOLOGY AND PARAMETERISING BED ROUGHNESS WITH A KODAK DCS460 DIGITAL CAMERA
DEM generation automation accuracy surface representation
2015/2/3
Hydraulic engineers and fluvial geomorphologists need to understand how moving water flows over stream beds, and results in sediment transport. One critical aspect that is becoming increasingly import...