搜索结果: 1-15 共查到“航空摄影测量 resolution”相关记录38条 . 查询时间(0.14 秒)
ESTIMATION OF STAND HEIGHT AND FOREST VOLUME USING HIGH RESOLUTION STEREO PHOTOGRAPHY AND FOREST TYPE MAP
Stand Height Forest Volume normalized DSM Aerial Photo
2016/11/30
Traditional field methods for measuring tree heights are often too costly and time consuming. An alternative remote sensing approach is to measure tree heights from digital stereo photographs which is...
AUTOMATIC SEA BIRD DETECTION FROM HIGH RESOLUTION AERIAL IMAGERY
Marine birds Aerial survey Remote sensing Image analysis Graph cuts
2016/11/23
Great efforts are presently taken in the scientific community to develop computerized and (fully) automated image processing methods allowing for an efficient and automatic monitoring of sea birds and...
AUTOMATIC GENERATION OF BUILDING MAPPING USING DIGITAL,VERTICAL AND AERIAL HIGH RESOLUTION PHOTOGRAPHS AND LIDAR POINT CLOUDS
Cartography Automatic Extraction Photogrammetry Aerial Photographs Image Segmentation
2016/11/23
The objective of this research is automatic generation of buildings in the interest areas. This research was developed by using high resolution vertical aerial photographs and the LIDAR point cloud th...
EXTRACTION OF ROOF LINES FROM HIGH-RESOLUTION IMAGES BY A GROUPING METHOD
Markov Random Field ALS Straight line
2016/7/28
This paper proposes a method for extracting groups of straight lines that represent roof boundaries and roof ridgelines from highresolution aerial images using corresponding Airborne Laser Scanner (AL...
VOLUME BASED DTM GENERATION FROM VERY HIGH RESOLUTION PHOTOGRAMMETRIC DSMS
digital surface model digital terrain model multi-directional ground filtering
2016/7/27
In this paper we propose a new algorithm for digital terrain (DTM) model reconstruction from very high spatial resolution digital surface models (DSMs). It represents a combination of multi-directiona...
BARE-EARTH EXTRACTION AND DTM GENERATION FROM PHOTOGRAMMETRIC POINT CLOUDS WITH A PARTIAL USE OF AN EXISTING LOWER RESOLUTION DTM
Photogrammetry Point cloud DSM DTM Ground filtering Image matching
2016/7/27
A method of extracting bare-earth points from photogrammetric point clouds by partially using an existing lower resolution digital terrain model (DTM) is presented. The bare-earth points are extracted...
HIGH-RESOLUTION DEBRIS FLOW VOLUME MAPPING WITH UNMANNED AERIAL SYSTEMS (UAS) AND PHOTOGRAMMETRIC TECHNIQUES
Unmanned Aerial Vehicle Structure-from-motion Natural Hazards Volumetric Sediment Budget Digital Terrain Models Event Documentation
2016/7/5
Debris flows cause an average � 30 million damages and 1-2 fatalities every year in Austria. Detailed documentation of their extent and magnitude is essential for understanding, preventing and mitigat...
HIGH RESOLUTION AIRBORNE LASER SCANNING AND HYPERSPECTRAL IMAGING WITH A SMALL UAV PLATFORM
payload integration unmanned aerial system UAV/VTOL LiDAR 3D mapping terrain model point density
2016/7/5
The capabilities of unmanned airborne systems (UAS) have become diverse with the recent development of lightweight remote sensing instruments. In this paper, we demonstrate our custom integration of t...
Dense urban DEM with three or more high-resolution aerial images
stereo 3-D reconstruction DEM image matching high-resolution aerial imagery
2016/5/20
In cartographic applications, area-based matching techniques are commonly used for stereo matching of low-resolution aerial images.However, these techniques fail in matching high-resolution aerial ima...
DEVELOPMENT OF HIGH RESOLUTION 3D SOUND PROPAGATION MODEL USING LIDAR DATA AND AIR PHOTO
Laser altimetry 3D modelling Aerial image Clustering Extraction
2016/1/3
Prediction of sound level of real world environment in 3D is important for managing noise pollution, urban planning, virtual realization of sound etc. Commercially available semi-empirical sound model...
STUDY ON URBAN LAND USE CHENGES BASED ON HIGH RESOLUTION REMOTE SENSING IMAGES
Land subdivision Image interpretation Land use Spatial analysis Change detection IKONOS Urban Aerial survey
2016/1/3
21century is an era of cities as the trend of urbanization has developed into the theme of globalization. China, as one of the most thickly populated countries will have a deep influence on the world ...
RESOLUTION MERGE OF 1:35.000 SCALE AERIAL PHOTOGRAPHS WITH LANDSAT 7 ETM IMAGERY
Aerial Photographs LANDSAT Resolution Merge Image Processing Remote Sensing
2015/12/31
Merging of different data sets is often used in digital image processing to improve the visual and analytical quality of the data. The analyst may need to merge different types of data. In this proces...
INTERGRATION OF HIGH RESOLUTION AERIAL IMAGES AND AIRBORNE LIDAR DATA FOR FOREST DELINEATION
Aerial images Airborne LIDAR Image Segmentation Texture Forest Delineation Remote Sensing
2015/12/31
Forest boundary is one of the important parameters in Swiss National Forest Inventory (NFI). It is mainly delineated by aerial photo interpretation according to the defined “Forest/Non-forest decision...
A METHOD OF HIGH-RESOLUTION REMOTE SENSING IMAGES BUILDING ON EDGE EXTRACTION
Aerial Images Building Contour Building Recognition Edge Extraction Edge Extraction Semi-Automatic
2015/12/31
This paper proposes a method of high-resolution remote sensing image of buildings on semi-automatic edge extraction. The first, pre-process remote sensing image and detecting all the edge; the second,...
MAPPING AND UPDATING MAPS IN DENSE URBAN REGIONS USING HIGH RESOLUTION DIGITAL AIRBORNE IMAGERY,SURFACE MODELS AND OBJECT-BASED CLASSIFICATION
Classification HRSC-AX Ultracam Feature detection Multi-spectral remote sensing Airborne remote sensing
2015/12/31
Over the last couple of years more and more analogue airborne cameras were replaced by digital cameras. Digitally recorded image data show significant advantages to film based data. Digital aerial pho...