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POSITION ACCURACY ANALYSIS OF A ROBUST VISION-BASED NAVIGATION
Navigation Space Resection 3D map
2018/6/4
Using images to determine camera position and attitude is a consolidated method, very widespread for application like UAV navigation. In harsh environment, where GNSS could be degraded or denied, imag...
HORIZONTAL POSITION OPTIMAL SOLUTION DETERMINATION FOR THE SATELLITE LASER RANGING SLOPE MODEL
Laser ranging Fresnel diffraction Slope model Echo signal Horizontal position
2016/7/4
According to the Gaussian-fit laser echo model and the terrain slope model, the regular mean value theorem and the asymptotic principle of the median point of the double integral mean value theorem ar...
Zone and Polygon Menus: Using Relative Position to Increase the Breadth of Multi-Stroke Marking Menus
Marking menus pie menus positionbased menus pen-based interfaces
2016/5/24
We present Zone and Polygon menus, two new variants of
multi-stroke marking menus that consider both the relative
position and orientation of strokes. Our menus are designed
to increase menu breadt...
Broken-Ray Videometric Method and System for Measuring the Three-Dimensional Position and Pose of the Non-Intervisible Object
Close Range Photogrammetry Deformation Digital photogrammetry
2015/12/14
The traditional videometrics technique is usually adopted to measure the relative position and pose between the intervisible objects,
and is invalid for measuring the three-dimensional position, pose...
Impact of an Optimized Position and Orientation System on the Final Accuracy of LIDAR Data
LIDAR geo-referencing advancement accuracy analysis processing comparison data acquisition
2015/12/8
Airborne (or mobile) laser scanning is used to generate high-accuracy data for various mapping and remote sensing applications. In recent studies by Optech Incorporated, Optech’s Airborne Laser Terrai...
Preliminary Research on Position Accuracy of CARTOSAT-1
Mapping Satellite CARTOSAT-1 Rational Function Model Position Accuracy
2015/11/24
In this paper, the development of Indian Remote Sensing Satellite Serials is reviewed, the specifications of CARTOSAT-1 satellite platform and Sensor is introduced and compared with IKONOS、SPOT5 HRS. ...
Position and Orientation Data Requirements for Precise Autonomous Vehicle Navigation
Position and Orientation DARPA Urban Grand Challenge Autonomous Vehicles Sensor Fusion POS LV
2015/11/24
The challenge of navigating an autonomous vehicle over large distances was illustrated in 2005 at the DARPA Grand Challenge when 4 out of 23 Teams successfully completed a 132 mile course within a 10 ...
Theoretical Accuracy of Direct Georeferencing with Position and Orientation System in Aerial Photogrammetry
Aerial Photogrammetry GPS/INS Orientation Accuracy Error Algorithms
2015/11/23
According to the principle of space intersection、collinearity equations and error propagation law, mathematical models of theoretical accuracy of direct georeferencing are proposed in this paper. The ...
POSITION ESTIMATION OF AERIAL VEHICLE BASED ON A VISION AIDED NAVIGATION SYSTEM
Navigation Pose Estimation Geo-Referencing Vision-Based Matching Fuzzy reasonning
2015/9/28
Automatic pose estimation remains to be one of the challenging problems in photogrammetry and computer vision. When other
systems (e.g. GPS and INS) are inadequate, and real time precise positioning...
Land cover classification in ukrainian carpathians using the meris terrestrial chlorophyl index and red edge position from envisat meris data
MERIS Terrestrial Chlorophyll Index Red Edge Position Ecosystems monitoring
2015/8/20
This paper describes the results of a preliminary study towards the use of MERIS data for land cover classification in the Ukrainian
Carpathians. The work is carried out in the frames of BEAR initiat...
A MOBILE LOCATION-BASED ARCHITECTURE FOR INTELLIGENT SELECTING MULTI-DIMENSION POSITION DATA OVER INTERNET
Semantic data Spatial-temporal data General-geographic data 3G 4G LBS
2015/8/10
The mobile communication network is enabling a broad range of new applications that dynamically obtain information that is relevant to their current location. Among the terminals deployed, there will ...
Basic Study On The Real-time Three-dimensional Position Measurement of Ground Moving Objects Using An Accelerometer and Gyros
Surveying Development Measurement
2015/7/15
In recent years, electronics and computer technology have been applied to the development of survey instruments, and
the methods of measurement have widely changed. We make use of sophisticated syste...
LAAS Position Domain Monitor Analysis and Test Results for CAT II/III Operations
LAAS Position Domain Monitor Analysis Test Results CAT II/III Operations
2015/6/26
The Local Area Augmentation System (LAAS) is a differential GPS navigation system being developed to support aircraft precision approach and landing with guaranteed accuracy, integrity, continuity and...
Position-Domain Geometry Screening to Maximize LAAS Availability in the Presence of Ionosphere Anomalies
Geometry Screening LAAS Availability Presence Ionosphere Anomalies
2015/6/26
All fault modes in the Local Area Augmentation System should be mitigated within the specified integrity risk allocation to guarantee the safety of a landing aircraft.However, monitoring within the LA...
Sigma Overbounding using a Position Domain Method for the Local Area Augmentaion of GPS
Sigma Overbounding Position Domain Method Local Area Augmentaion GPS
2015/6/25
The local area augmentation system (LAAS) is a differential GPS navigation system being developed to support aircraft precision approach and landing navigation with guaranteed integrity and availabili...