搜索结果: 1-15 共查到“测绘科学技术 Photography”相关记录28条 . 查询时间(0.076 秒)
STUDY ON PRACTICAL TECHNOLOGIES OF AERIAL TRIANGULATION FOR REAL SCENE 3D MOELING WITH OBLIQUE PHOTOGRAPHY
Oblique Photography Aerial Triangulation quality factors POS data camera calibration connection point matching
2018/5/11
The key technologies in the real scene 3D modeling of oblique photography mainly include the data acquisition of oblique photography, layout and surveying of photo control points, oblique camera calib...
ARCHAEOLOGICAL FEATURE DETECTION FROM ARCHIVE AERIAL PHOTOGRAPHY WITH A SFM-MVS AND IMAGE ENHANCEMENT PIPELINE
Archaeology feature detection SfM-MVS image enhancement cultural heritage
2018/6/4
Understanding and protecting cultural heritage involves the detection and long-term documentation of archaeological remains alongside the spatio-temporal analysis of their landscape evolution. Archive...
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...
MONITORING SEABIRDS AND MARINE MAMMALS BY GEOREFERENCED AERIAL PHOTOGRAPHY
Biological Monitoring Digital Surveys Environmental Impact Assessment Marine Wildlife Offshore Wind
2016/11/30
The assessment of anthropogenic impacts on the marine environment is challenged by the accessibility, accuracy and validity of biogeographical information. Offshore wind farm projects require large-sc...
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...
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...
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...
DEM CREATION OF A SNOW COVERED SURFACE USING DIGITAL AERIAL PHOTOGRAPHY
Aerial Photogrammetry DSM Digital Photogrammetry Spatial Modeling Snow Image Matching High-resolution Image
2015/12/28
Seasonal snow plays a vital role in the world's water resources. In some areas, seasonal snow melt provides water for agriculture, industry, hydro-electricity generation and urban water supply. Accura...
FEASIBILITY OF USING DIGITAL PHOTOGRAPHY FOR ENVIRONMENTAL MONITORING OF ANIMALS IN AN ARTIFICIAL REEF
Photogrammetry Fish Behavior Fork Llength Calibration DLT
2015/12/23
Both acoustic and optical methods can be used for environmental monitoring of marine ranches. However, acoustic methods are more commonly used for underwater environmental surveillance. This paper pre...
3D Measurement, Reconstruction and Navigation through Panoramic Photography
Measurement Correction Calibration
2015/12/14
In photogrammetric applications the use of a digital panoramic camera with 360° field of view may provide an interesting alternative
to conventional methods. In this paper, the structure and panorama...
A Contrast among Experiments in Three Low-altitude Unmanned Aerial Vehicles Photography: Security, Quality & Efficiency
Low altitude Aerial photography Photogrammetry Unmanned helicopter
2015/11/24
At present, the vast majority of photographic measurement units are in a state of "measuring" instead of "photographing". In order to combine "photographing" with "measuring" more closely, an engineer...
CORRELATION OF OBJECT-BASED TEXTURE MEASURES AT MULTIPLE SCALES IN SUB-DECIMETER RESOLUTION AERIAL PHOTOGRAPHY
texture segmentation correlation multiresolution
2015/11/16
Texture measures are commonly used to increase the number of input bands in order to improve classification accuracy, especially
for panchromatic or true colour imagery. While the use of texture mea...
Filling gaps in cultural heritage documentation by 3D photography
tangible & intangible C.H. Archives of 3D photography UAV-platforms
2015/9/11
This contribution promotes 3D photography as an important tool to obtain objective object information. Keeping mainly in mind
World Heritage documentation as well as Heritage protection, it is anothe...
LEAF AREA INDEX ESTIMATES OBTAINED FOR MIXED FOREST USING HEMISPHERICAL PHOTOGRAPHY AND HYMAP DATA
Hemisfer Camera Exposure Hyperspectral Data
2015/9/8
The Leaf Area Index (LAI) is an important measure in many ecological applications because vegetation-atmosphere processes of the
canopy, such as photosynthesis are controlled by the foliage and play ...
A spatio-temporal assessment of back-barrier salt marsh change: a comparison of multidate aerial photography and spatial landscape indices
barrier island salt marsh aerial photography
2015/8/21
A study of back-barrier salt marshes was conducted to investigate whether or not urbanization has impacted the distribution and
fragmentation characteristics of the marshes. Topsail Island and Masonb...