搜索结果: 1-15 共查到“测绘科学技术 3-D effect”相关记录44条 . 查询时间(0.218 秒)
UNDERWATER PHOTOGRAMMETRY IN VERY SHALLOW WATERS: MAIN CHALLENGES AND CAUSTICS EFFECT REMOVAL
Underwater 3D Reconstruction SfM MVS Caustics CNN
2018/6/4
In this paper, main challenges of underwater photogrammetry in shallow waters are described and analysed. The very short camera to object distance in such cases, as well as buoyancy issues, wave effec...
THE EFFECT OF IMAGE ENHANCEMENT METHODS DURING FEATURE DETECTION AND MATCHING OF THERMAL IMAGES
Feature Detection Feature Extraction Thermal Image Matching Photogrammetry Image Processing
2017/7/13
A successful image matching is essential to provide an automatic photogrammetric process accurately. Feature detection, extraction and matching algorithms have performed on the high resolution images ...
THE EFFECT OF UNDERWATER IMAGERY RADIOMETRY ON 3D RECONSTRUCTION AND ORTHOIMAGERY
Underwater 3D Reconstruction Underwater Image Enhancement
2017/4/5
The work presented in this paper investigates the effect of the radiometry of the underwater imagery on automating the 3D reconstruction and the produced orthoimagery. Main aim is to investigate wheth...
ANALYSIS OF RELATIONSHIP BETWEEN URBAN HEAT ISLAND EFFECT AND LAND USE/COVER TYPE USING LANDSAT 7 ETM+ AND LANDSAT 8 OLI IMAGES
UHI Thermal Remote Sensing Landsat 8 OLI/TIRS MODIS Change Detection LU/LC
2016/12/1
The main objectives of this study are (i) to calculate Land Surface Temperature (LST) from Landsat imageries, (ii) to determine the UHI effects from Landsat 7 ETM+ (June 5, 2001) and Landsat 8 OLI (Ju...
ANALYSIS OF THE SIDE-LAP EFFECT ON FULL-WAVEFORM LIDAR DATA ACQUISITION FOR THE ESTIMATION OF FOREST STRUCTURE VARIABLES
LiDAR full-waveform overlap stripe differences density changes forest structure canopy fuel comparison of paired samples
2016/11/30
LiDAR full-waveform provides a better description of the physical and forest vertical structure properties than discrete LiDAR since it registers the full wave that interacts with the canopy. In this ...
THE EFFECT OF PANSHARPENING ALGORITHMS ON THE RESULTING ORTHOIMAGERY
Orthoimage Pansharpening Digital Surface Model (DSM) Accuracy Pleiades-1B
2016/11/23
This paper evaluates the geometric effects of pansharpening algorithms on automatically generated DSMs and thus on the resulting orthoimagery through a quantitative assessment of the accuracy on the e...
EFFECT OF PANSHARPENED IMAGE ON SOME OF PIXEL BASED AND OBJECT BASED CLASSIFICATION ACCURACY
Pan Sharpening Decision Tree Maximum Likelihood Support Vector Machine Object Based Classification Sun Flower Corn
2016/11/23
Classification is the most important method to determine type of crop contained in a region for agricultural planning. There are two types of the classification. First is pixel based and the other is ...
EXPLORATORY USER STUDY TO EVALUATE THE EFFECT OF STREET NAME CHANGES ON ROUTE PLANNING USING 2D MAPS
Street name changes Eye tracking Route planning
2016/7/8
This paper presents the results of an exploratory user study using 2D maps to observe and analyse the effect of street name changes on prospective route planning. The study is part of a larger researc...
ESTIMATION OF THE ATMOSPHERIC REFRACTION EFFECT IN AIRBORNE IMAGES USING RADIOSONDE DATA
Atmosphere Refraction Airborne Multispectral Radiosonde Geometric Rectification
2016/7/4
The influence of the atmospheric refraction on the geometric accuracy of airborne photogrammetric images was already considered in the days of analogue photography. The effect is a function of the var...
ANALYSIS OF THE EFFECT OFWAVE PATTERNS ON REFRACTION IN AIRBORNE LIDAR BATHYMETRY
Airborne LiDAR bathymetry multimedia photogrammetry refraction wave pattern accuracy analysis
2016/7/4
This contribution investigates the effects of wave patterns on 3D point coordinate accuracy in LiDAR bathymetry. The finite diameter refracted laser pulse path passing the air/water interface is model...
Effect of lossy data compression techniques on geometry and information content of satellite imagery
Data compression Satellite imagery JPEG Wavelets
2016/5/23
The recording and transfer rates of digital imaging systems can not keep abreast of the actual captured amount of data.Because the compression rates of standard loss-less techniques are still too low,...
Removal of topographical effect from remote sensing data for thermal inertia modelling
Removal topographical effect remote sensing thermal inertia modelling
2016/5/20
Topographical effect was considered in the context of bare soil moisture assessment. Soil moisture was evaluated using thermal inertia modelling. As an input data in thermal inertia model, the images ...
STUDY OF LEVER-ARM EFFECT USING EMBEDDED PHOTOGRAMMETRY AND ON-BOARD GPS RECEIVER ON UAV FOR METROLOGICAL MAPPING PURPOSE AND PROPOSAL OF A FREE GROUND MEASUREMENTS CALIBRATION PROCEDURE
UAV photogrammetry GPS lever-arm calibration direct-georeferencing synchronisation MicMac
2016/3/25
Nowadays, Unmanned Aerial Vehicle (UAV) on-board photogrammetry knows a significant growth due to the democratization of using drones in the civilian sector. Also, due to changes in regulations laws g...
THE EFFECT OF SOUND WAVE BENDING ON UNDERWATER ACOUSTIC POSITIONING ACCURACY
Underwater Acoustic Positioning System Sound Speed Sound Wave Bending Positioning Accuracy
2016/3/17
Underwater acoustic positioning system solves the problem of how to position and navigate object underwater. Therefore, it can help people to locate the area of disaster to search and succor. But, bec...
CORRELATION BETWEEN URBAN HEAT ISLAND EFFECT AND THE THERMAL INERTIA USING ASTER DATA IN BEIJING,CHINA
Urban Land Surface Temperature Thermal Environment City Correlation Data
2016/1/3
This paper focuses on the analysis of the relationship between the urban heat island effect and the thermal inertia using the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) dat...