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A Contrast among Experiments in Three Low-altitude Unmanned Aerial Vehicles Photography: Security, Quality & Efficiency
Low altitude Aerial photography Photogrammetry Unmanned helicopter
2015/11/24
At present, the vast majority of photographic measurement units are in a state of "measuring" instead of "photographing". In order to combine "photographing" with "measuring" more closely, an engineer...
SIMULATING SAMPLING EFFICIENCY IN AIRBORNE LASER SCANNING BASED FOREST INVENTORY
Airborne laser scanner Simulator Forest inventory
2015/11/10
A simple simulator was developed to test whether airborne laser scanning can be used as a strip sampling tool for forest inventory purposes. The simulator is based on the existing two stages,grid base...
IMPROVING EFFICIENCY FOR DEVELOPING AUTOMATIC GENERALISATION SOLUTIONS
Generalisation Web services Automation Multiple Representation
2015/8/17
The Research & Innovation department at Ordnance Survey has been working for two years on a project to investigate the automatic generalisation of our data to derive a vector dataset matching the spec...
HIGH-EFFICIENCY BUILDING SURVEYS BY DYNAMIC AND STATIC DIGITAL IMAGES ORIENTED WITH “MIXED MODELS”
Architecture Digital Surveying Integration Rectification Algorithms Dynamic
2015/5/25
Throughout this paper, a method to efficiently survey buildings by digital images, dynamically and statically acquired, is presented by investigating methodological and analytical aspects and by sugge...
OPTIMIZATION OF FOREST AGE-DEPENDENT LIGHT-USE EFFICIENCY AND ITS IMPLICATIONS ON CLIMATE-VEGETATION INTERACTIONS IN CHINA
NPP Stand age Maximum light-use efficiency
2015/5/6
Forest’s net primary productivity (NPP) is a key index in studying interactions of climate and vegetation, and accurate prediction of NPP is essential to understand the forests’ response to climate ...
A HIGH-EFFICIENCY FUSION METHOD OF MULTI-SPECTRAL IMAGE AND PANCHROMATIC IMAGE
Image Fusion Multi-Spectral Image Panchromatic Image Parallel Computing
2014/4/24
With the development of modern remote sensing technology, a variety of earth observation satellites could continue to tremendously
provide image data of different spatial resolution, time resolution...