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CMOS IMAGING SENSOR TECHNOLOGY FOR AERIAL MAPPING CAMERAS
Camera Aerial Sensor Photogrammetry Acquisition Orthophoto CCD CMOS
2016/7/4
In June 2015 Leica Geosystems launched the first large format aerial mapping camera using CMOS sensor technology, the Leica DMC III. This paper describes the motivation to change from CCD sensor techn...
EFFICIENT ORIENTATION AND CALIBRATION OF LARGE AERIAL BLOCKS OF MULTI-CAMERA PLATFORMS
multi-sensor calibration oblique aerial imagery tie point decimation bundle block adjustment affine-invariant feature point
2016/7/4
Aerial multi-camera platforms typically incorporate a nadir-looking camera accompanied by further cameras that provide oblique views, potentially resulting in utmost coverage, redundancy, and accuracy...
Knowledge-based road interpretation in aerial images
Knowledge road interpretation aerial images
2016/5/23
This paper presents a knowledge-based method for automatic road extraction from aerial images. The method uses a hybrid control strategy in which hypotheses of roads are generated in a bottom-up proce...
Aerial photographs of forest trees details
Aerial Photographs Forestry experimental Plots physiotogical Activity
2016/5/20
The aerial photographs showing details of forest trees, e.g. young shoots, leaves, flowers, fruit, twigs and parts of the trunk, partly displayed the forest soil and the plants in the undergrowth laye...
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...
EXPLORING THE POTENTIAL OF AERIAL PHOTOGRAMMETRY FOR 3D MODELLING OF HIGH-ALPINE ENVIRONMENTS
Large-format aerial cameras Dense Image Matching Georeferencing ALS Glaciers
2016/3/25
High-alpine areas are subject to rapid topographic changes, mainly caused by natural processes like glacial retreat and other geomorphological processes, and also due to anthropogenic interventions li...
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...
EXTRACTION OF 3D FEATURE FROM LIDAR DATA FUSED WITH AERIAL IMAGES USING IMPROVED MEAN-SHIFT ALGORITHM
LiDAR Feature Extraction Mean-Shift
2016/3/17
An innovative approach is proposed for the extraction of the complex urban three dimensional feature efficiently and accurately. In this method, firstly, both the LiDAR data and the aerial images are ...
DGPF Project: Evaluation of Digital Photogrammetric Aerial Based Imaging Systems – Generation of Digital Surface Models
DGPF camera evaluation project high resolution digital sensors aerial imaging systems DSM generation
2016/1/25
The Chair of Photogrammetry and Remote Sensing, ETH Zurich is one of the contract partners of the project „Evaluierung digitaler
photogrammetrischer Luftbildkamerasysteme“ which was initiated ...
Radiometric and Geometric Quality Aspects of the Large Format Aerial Camera ULTRACAM XP
Digital aerial camera Large format image Radiometry Geometry
2016/1/25
UltraCamXp is the new flagship camera product which introduced in 2008 at the ISPRS Conference and Exhibition in Beijing by Vexcel Imaging (a Microsoft Company). This paper will give a technical overv...
Recovering Portugal Aerial Images Repository
Photogrammetry Old aerial images Digital archiving Organization Orientation
2016/1/25
The principal users of aerial photography have always been the military and mapping agencies. Aerial photographs were considered
for several decades as a means to an end and were no longer interesti...
Extraction of Parcel Boundaries from Ortho-rectified Aerial Photos: A Cost Effective Technique
Land Laws Land Registration Informal Settlements Orthophotos Parcel Boundaries GIS
2016/1/25
Most property in Afghanistan has never been surveyed. A majority of landowners do not
hold legally recognized deeds to their property, but rather have customary land deeds
with poorly defined prop...