搜索结果: 1-15 共查到“测绘科学技术 errors”相关记录15条 . 查询时间(0.135 秒)
SIMULATION OF INERTIAL NAVIGATION SYSTEM ERRORS AT AERIAL PHOTOGRAPHY FROM UAV
Unmanned aerial vehicle Aerial photography Inertial navigation system (INS) Accelerometer systematic shift Gyroscope systematic offset Position accuracy
2017/7/12
The problem of accuracy determination of the UAV position using INS at aerial photography can be resolved in two different ways: modelling of measurement errors or in-field calibration for INS. The pa...
COMPENSATION LOW-FREQUENCY ERRORS IN TH-1 SATELLITE
Satellite photogrammetry Low-frequency errors Attitude determination system Exterior orientation elements Location accuracy Global coverage
2016/7/4
The topographic mapping products at 1:50,000 scale can be realized using satellite photogrammetry without ground control points (GCPs), which requires the high accuracy of exterior orientation element...
ANALYSIS AND CORRECTION OF SYSTEMATIC HEIGHT MODEL ERRORS
DSM/DTM systematic error optical space images orientation satellite jitter
2016/7/4
The geometry of digital height models (DHM) determined with optical satellite stereo combinations depends upon the image orientation, influenced by the satellite camera, the system calibration and att...
IDENTIFYING THE ERRORS IN MONITORING GLACIER CHANGES BY MULTISOURCES DATA USING REMOTE SENSING AND GIS TECHNIQUES IN MT.NAIMONA’NYI REGION IN THE WESTERN HIMALAYAS ON THE TIBETAN PLATEAU IN CHINA
Glacier variation Geographic Information System (GIS) Remote Sensing the hybrid grid unit Mt. Naimona’Nyi Himalayas Mt. Geladandong Tibetan Plateau
2016/1/3
The paper compares the results of two alternative methods for studying glacier variations in Mt. Naimona'Nyi in the western Himalayas on Tibet. This paper describes a grid method for studying multi-te...
RESEARCH ON THE LINEAR AND NONLINEAR METHODS OF CORRECTING BASELINE ERRORS ON SAR INTERFEROGRAMS
Satellite Remote Sensing SAR Image SAR Interferometry Accuracy Analysis Ground Deformation
2015/12/30
In this paper, the precise orbit and the coarse orbit are both used to compare the characteristics of the baseline errros on interferograms. To eliminate the fringes caused by baseline errors, a linea...
Minimising Systematic Errors in DEMs Caused by an Inaccurate Lens Model
Close Range Photogrammetry Digital Camera Digital Photogrammetry
2015/12/14
The use of consumer grade digital cameras for spatial measurement has rapidly increased over the past decade and is accepted in
many industrial applications but also in diverse fields ranging from me...
PROPAGATION OF POSITIONAL MEASUREMENT ERRORS TO FIELD OPERATIONS
Positional accuracy GPS vector data stochastic simulation precision agriculture
2015/9/28
Precision agriculture requires detailed information about numerous factors that determine optimal agricultural management. Recently, the importance of accurate assessment of field boundaries for preci...
IDENTIFYING AND MAPPING SYSTEMATIC ERRORS IN PASSIVE MICROWAVE SNOW WATER EQUIVALENT OBSERVATIONS
passive microwave snowpack snow crystals
2015/6/1
Understanding remote sensing retrieval errors is important for correct interpretation of observations, and successful
assimilation of observations into numerical models. Passive microwave sensors on...
MINIMISING POSITIONAL ERRORS IN LINE SIMPLIFICATION USING ADAPTIVE TOLERANCE VALUES
MINIMISING POSITIONAL ERRORS LINE SIMPLIFICATION ADAPTIVE TOLERANCE VALUES
2015/3/16
MINIMISING POSITIONAL ERRORS IN LINE SIMPLIFICATION USING ADAPTIVE TOLERANCE VALUES.
MAXIMUM LIKELIHOOD METHOD MODIFIED IN ESTIMATING A PRIOR PROBABILITY AND IN IMPROVING MISCLASSIFICATION ERRORS
Maximum Likelihood Method (MLM) Mixel Data Fusion Decision Tree
2015/2/4
Maximum Likelihood Method (MLM) has been one of the most traditional classification methods in remote sensing
field, but its disadvantages have been also pointed out. While a prior occurrence probabi...
A MATHEMATICAL MODEL FOR CORRECTING THE PHOTOGRAPHIC COORDINATES DUE TO ORIENTATION ERRORS (AN APPLICATION IN CLOSE RANGE PHOTOGRAMMETRY)
Photographic Coordinates Orientation Errors Close Range Photogrammetry
2015/1/7
Photographic coordinates x and y are fundamental data in analytical photogrammetry. At the same time these coordinates are functions of interior and exterior orientation elements, and contain some err...
The Atmospheric Compensation Component of a Landsat Land Surface Temperature (LST) Product: Assessment of Errors Expected for a North American Test Product
Landsat Surface Temperature Atmospheric Compensation
2014/12/4
The Landsat archive of thermal data (Landsats 4, 5 and 7) has gone through a rigorous calibration assessment and update. However, in order to be useful to most users the calibrated sensor reaching rad...
Identification of Errors in 3D Building Models by a Robust Camera Pose Estimation
Building Model Exterior Orientation Estimation Thermal Infrared Sequences
2014/9/9
This paper presents a method for identification of errors in 3D building models which are results of inaccurate creation process. Error detection is carried out within the camera pose estimation. As o...
TEMPORAL CORRELATION OF METADATA ERRORS FOR COMMERCIAL SATELLITE IMAGES: REPRESENTATION AND EFFECTS ON STEREO EXTRACTION ACCURACY
satellite image metadata accuracy correlation extraction estimation triangulation
2014/4/25
Extraction of ground points using a basic stereo pair of commercial satellite electro-optical images typically yields vertical errors much smaller than expected. In particular, the magnitude of vertic...
CO-REGISTRATION OF 3D POINT CLOUDS BY USING AN ERRORS-IN-VARIABLES MODEL
Laser scanning point cloud registration matching estimation
2014/4/28
Co-registration of point clouds of partially scanned objects is the first step of the 3D modeling workflow. The aim of co-registration is to merge the overlapping point clouds by estimating the spatia...