搜索结果: 16-30 共查到“工学 orientation”相关记录176条 . 查询时间(0.045 秒)
THE USE OF COMPUTER VISION ALGORITHMS FOR AUTOMATIC ORIENTATION OF TERRESTRIAL LASER SCANNING DATA
Feature Extraction Scan Registration Computer Vision analysis of image matching algorithms TLS
2016/7/27
The paper presents analysis of the orientation of terrestrial laser scanning (TLS) data. In the proposed data processing methodology, point clouds are considered as panoramic images enriched by the de...
Performance Evaluation of Alternative Relative Orientation Procedures for UAV-based Imagery with Prior Flight Trajectory Information
Relative Orientation Essential Matrix Closed-form Solution UAVs
2016/7/27
Thanks to recent advances at the hardware (e.g., emergence of reliable platforms at low cost) and software (e.g., automated identification of conjugate points in overlapping images) levels, UAV-based ...
ORIENTATION MODELING FOR AMATEUR CAMERAS BY MATCHING IMAGE LINE FEATURES AND BUILDING VECTOR DATA
Direct Georeferencing Feature Line Matching Line Control Orientation Modeling Orientation Parameters
2016/7/27
With the popularity of geospatial applications, database updating is getting important due to the environmental changes over time. Imagery provides a lower cost and efficient way to update the databas...
EXTERIOR ORIENTATION ESTIMATION OF OBLIQUE AERIAL IMAGERY USING VANISHING POINTS
Oblique Aerial Images Vanishing Point Nadir Point True Horizon Line Exterior Orientation Georeferencing
2016/7/27
In this paper, a methodology for the calculation of rough exterior orientation (EO) parameters of multiple large-scale overlapping oblique aerial images, in the case that GPS/INS information is not av...
ORIENTATION OF OBLIQUE AIRBORNE IMAGE SETS – EXPERIENCES FROM THE ISPRS/EUROSDR BENCHMARK ON MULTI-PLATFORM PHOTOGRAMMETRY
Orientation Oblique Tie point matching Bundle adjustment
2016/7/4
During the last decade the use of airborne multi camera systems increased significantly. The development in digital camera technology allows mounting several mid- or small-format cameras efficiently o...
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...
Direct platform orientation of multisensor data acquisition systems
Sensor Integration Digital Imaging Sensors GPS INS Airborne Mapping
2016/5/23
With increased use of various new sensors in mapping such as digital cameras, multi/hyperspectral scanners,radiometers, LIDAR, SAR (IFSAR), etc; multisensor data fusion has become an extremely crucial...
EXTERIOR ORIENTATION OF HYPERSPECTRAL FRAME IMAGES COLLECTED WITH UAV FOR FOREST APPLICATIONS
Forest Hyperspectral Image Orientation Sparse Control UAV
2016/3/25
This paper describes a preliminary study on the image orientation acquired by a hyperspectral frame camera for applications in small tropical forest areas with dense vegetation. Since access to the in...
TOWARDS EFFICIENCY OF OBLIQUE IMAGES ORIENTATION
oblique oblique images orientation adjustment bundle block
2016/3/25
Many papers on both theoretical aspects of bundle adjustment of oblique images and new operators for detecting tie points on oblique images have been written. However, only a few achievements presente...
ORIENTATION AND CALIBRATION REQUIREMENTS FOR HYPERPECTRAL IMAGING USING UAVs: A CASE STUDY
Geometric Calibration Hyperspectral frame cameras two sensors camera
2016/3/25
Flexible tools for photogrammetry and remote sensing using unmanned airborne vehicles (UAVs) have been attractive topics of research and development. The lightweight hyperspectral camera based on a Fa...
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...
An Empirical Model for Orientation of ALOS-PRISM Images of Level 1-B2
Three-Line scanner Sensor model Orientation Ground Control Accuracy
2016/1/25
The Japanese satellite ALOS incorporates the PRISM sensor, dedicated to high resolution stereo imaging. It has a potential to derive
elevation data compatible with medium scale topographic mapping sc...
Improving the orientation-dependent statistical potential using a reference state
energy function orientation-dependent statistical potential
2016/1/22
Improving the orientation-dependent statistical potential using a reference state.
Automatic Matching of Terrestrial Scan Data Using Orientation Histograms
LIDAR Laser scanning Point Cloud
2015/12/16
Terrestrial laser scanners allow to obtain accurate 3d model of the object as a point cloud. Real objects should be scanned with
different instrument positions and then scan data is registered into t...
A New Approach for Relative Orientation of Non-Calibrated Historical Photos of Baalbek/Libanon
Photogrammetry Calibration Bundle
2015/12/16
Within this paper the combination of the different classes of Baalbek’s historical photos for the documentation of heritage sites is
discussed. We propose an effective approach in order to perform th...