搜索结果: 1-13 共查到“遥感信息工程 Points”相关记录13条 . 查询时间(0.113 秒)
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...
APPLICATION OF BREAKLINE AND MANUAL ADDITIONAL POINTS IN TIN MODELING
LIDAR Breakline Manual DEM editing Manual additional points TIN
2016/3/17
The triangular irregular network (TIN) is the most commonly used digital elevation models. However, because there is no boundary information contained in LIDAR data, and the LIDAR dataset containsdata...
MULTI-TEMPORAL DEM MATCHING METHOD WITHOUT CONTROL POINTS IN DEBRIS-FLOW AREA
Photogrammetry Geomorphology Multitemporal Change Detection Matching Accuracy Precision
2015/12/29
Detecting the volume change of loose deposit of rock debris accumulated and debris discharged is one of the methods to study debris flow. The volume can be resulted by overlapping multi-temporal DEM. ...
Calibration of Constant Angular Error for CBERS-2 Imagery with Few Ground Control Points
Spaceborne remote sensing High-resolution image Space photogrammetry
2015/11/23
The rigorous geometric model which depends on physical properties of the image acquisition is the basic model for object positioning of high resolution satellite imagery (HRSI). Using the linear and a...
Research on Key Points of 3D Change Detection of Geospatial Database
Change Detection Geospatial Database DEM Aerial Imagery SDM
2015/10/9
Geospatial data is a dynamic representative form of spatial information on surface of the earth. Facts and reasons on terrain changes
are analyzed at first. Changes on the surface of the earth are m...
Classification of lidar data into water and land points in coastal areas
lidar laser scanning classification fuzzy logic filtering
2015/8/31
Over the last years lidar has become one of the major techniques to obtain spatial data in coastal areas. Due to the fact that lidar systems can provide several 3D points per square meter and high hei...
Classification of lidar data into water and land points in coastal areas
lidar laser scanning classification fuzzy logic filtering
2015/8/28
Over the last years lidar has become one of the major techniques to obtain spatial data in coastal areas. Due to the fact that lidar systems can provide several 3D points per square meter and high hei...
APPLICATION OF MARINE GEOGRAPHIC INFORMATION SYSTEM USING ANALYSIS OF CONTROL POINTS IN POST PROCESSING DGPS SURVEYING
Post Processing DGPS Surveying Chi-Square Verification\
2015/7/30
The GPS precise surveying which is prevailing in Korea now grasps the problem that the result of the GPS observed value is used
without the analysis of the relationship between the geometric strengt...
Segmentation-Based Ground Points Detection from Mobile Laser Scanning Point Cloud
Filtering Mobile Laser Scanning Point Cloud Point Cloud Segmentation
2015/7/27
In most Mobile Laser Scanning (MLS) applications, filtering is a necessary step. In this paper, a segmentation-based filtering method is proposed for MLS point cloud, where a segment rather than an in...
SHAPE RECOVERY FROM HYBRID FEATURE POINTS WITH FACTORIZATION METHOD
Factorization Method Hybrid Feature Points Shape from Motion 3D Digital City
2014/12/31
We are developing shape recovery technology that can semi-automatically process image sequences using the idea of ”Shape from Motion”. In this paper, we investigate an acquisition and recovery method ...
AN IMPROVEMENT ON GEOMETRY-BASED METHODS FOR GENERATION OF NETWORK PATHS FROM POINTS
Network path Geometry-based VGI
2014/12/1
Determining network path is important for different purposes such as determination of road traffic, the average speed of vehicles, and other network analysis. One of the required input data is informa...
LiDAR Segmentation using Suitable Seed Points for 3D Building Extraction
LiDAR data segmentation seed point building detection roof plane extraction tree removal
2014/9/9
Effective building detection and roof reconstruction has an influential demand over the remote sensing research community. In this paper, we present a new automatic LiDAR point cloud segmentation meth...
ENRICHING A 3D WORLDWITH SYNTHETIC AND VISIBLE INFORMATION ABOUT THE DISTRIBUTION OF POINTS OF INTEREST
visual clues 3D navigation information aggregation
2014/6/11
This article presents a visual variable proposed to help users navigate in a virtual 3D world. This overlayis presented asa disc composed of independent sectors. Each sector conveys in...