搜索结果: 136-150 共查到“知识库 航空摄影测量”相关记录529条 . 查询时间(3.484 秒)
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...
Digital aerial triangulation for DTM and orthophoto generation
Digital aerial triangulation DTM orthophoto generation
2016/5/20
Automatic Digital Aerial Triangulation has been implemented at the Institute of Geodesy and Cartography in 1997 on the ImageStation 6487 INTERGRAPH. Several blocks of B/W aerial photographs in the sca...
ROLE OF TIE-POINTS DISTRIBUTION IN AERIAL PHOTOGRAPHY
Photogrammetry Image matching Tie-Points Feature-based matching RANSAC Von Gruber positions
2016/3/25
Automatic image matching algorithms, and especially feature-based methods, profoundly changed our understanding and requirements of tie points. The number of tie points has increased by orders of magn...
ACCURACY ASSESSMENT OF DIRECT GEOREFERENCING FOR PHOTOGRAMMETRIC APPLICATIONS ON SMALL UNMANNED AERIAL PLATFORMS
Unmanned Aerial Vehicle UAV Direct Georeferencing GNSS Inertial Mapping
2016/3/25
Efficient mapping from unmanned aerial platforms cannot rely on aerial triangulation using known ground control points. The cost and time of setting ground control, added to the need for increased ove...
AUTOMATIC ORIENTATION AND MOSAICKING OF ARCHIVED AERIAL PHOTOGRAPHY USING STRUCTURE FROM MOTION
Archived aerial photos Structure from Motion Bundle adjustment Auto-calibration DSM Orthomosaics
2016/3/25
Aerial photography has been acquired regularly for topographic mapping since the decade of 1930. In Portugal there are several archives of aerial photos in national mapping institutes, as well as in l...
ANALYSE ON IMAGE DISTORTION CAUSED BY CAMERA TILTING ANGLE IN MOSAIC CAMERA
camera mosaic tilting angle image distortion Two-Mosaic Four-Mosaic ratio of GSD change
2016/3/17
Digital aerial photogrammetry has the virtue of high precision and efficiency, but the plane array of single digital camera is not wide enough, so the land coverage and base-height ratio of singledigi...
ROBUST BUILDING OUTLINE REPRESENTATION AND EXTRACTION
Building Extraction Building Description Hough Transform Graph Search Region Grow
2016/3/17
This paper presents an efficient and robust strategy for building description and extraction from high resolution aerial image. This approach is different from traditional techniques in shapeformation...
LOW-ALTITUDE UNMANNED AIRSHIP PHOTOGRAMMETRY SYSTEM
Unmanned airship Combined wide-angle low attitude camera low-altitude photogrammetry
2016/3/17
Constrained by the satellites orbits, Satellite Remote Sensing is difficult to achieve timeliness requirements. General aerial manned aircraft Remote Sensing is always delayed by the bad weather.Compa...
THE LUNAR DEM GENERATION PROCESS BASED ON CLEMENTINE AND CHANG’E-1 IMAGES
Lunar Mapping DEM Clementine Chang’e-1, ULCN 2005 LPS
2016/3/17
A photogrammetric method and process to generate a portion of the lunar DEM based on the Clementine images and 93 Unified Lunar Control Network 2005（ ULCN2005） control points in Leica Photogrammetric ...
UAV-BASED MULTI-SENSOR DATA FUSION FOR TIME-CRITICAL DISASTER RESPONSE
UAV Data Fusion Disaster Response Video Flow Real-time
2016/3/17
We present a mathematical model for a UAV-based, multi-sensor data integration. As a background, we first discuss the design and the implementation of a low-cost civilian UAV system, including its fie...
Inferential modeling of 3D chromatin structure
Inferential modeling 3D chromatin structure
2016/1/22
For eukaryotic cells, the biological processes in-volving regulatory DNA elements play an impor-tant role in cell cycle. Understanding 3D spatial ar-rangements of chromosomes and revealing long-range ...
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...
ACCURACY ASSESSMENT OF CONTOUR INTERPOLATION FROM 1:50,000 TOPOGRAPHICAL MAPS AND SRTM DATA FOR 1:25,000 TOPOGRAPHICAL MAPPING
Topographic mapping Map revision Shuttle Radar Topographic Mission data Contour interpolation Contour accuracy assessment
2016/1/3
One major problem engendered by poverty in less-developed countries is that of inability of such countries to carry out fresh medium-scale topographical mapping at regular time intervals usingexpensiv...
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...