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METRIC SCALE CALCULATION FOR VISUAL MAPPING ALGORITHMS
Visual SLAM Point Cloud Pose Estimation Scale Calculation Object Detection
2018/6/4
Visual SLAM algorithms allow localizing the camera by mapping its environment by a point cloud based on visual cues. To obtain the camera locations in a metric coordinate system, the metric scale of t...
FOREST STEM VOLUME CALCULATION USING AIRBORNE LIDAR DATA
Aerial LiDAR nDSM tree height canopy height stand volume Pleaides multispectral image
2017/7/12
Airborne LiDAR data have been collected for the city of Istanbul using Riegl laser scanner Q680i with 400 kHz and an average flight height of 600 m. The flight campaign was performed by a ...
EXTENSION OF RTKLIB FOR THE CALCULATION AND VALIDATION OF PROTECTION LEVELS
GNSS SBAS integrity protection level RTKLIB
2017/8/10
System integrity (i.e. the capability of self-monitoring) and the reliability of the positions provided need to be ensured within all safety critical applications of the GPS technology. For the sake o...
On Fast Calculation of Addition Chains for Isogeny-Based Cryptography
Addition chains post-quantum cryptography isogeny-based cryptosystems
2016/12/7
Addition chain calculations play a critical role in determining the efficiency of cryptosystems based on isogenies on elliptic curves. However, finding a minimal length addition chain is not easy; a g...
TOWARDS THE INFLUENCE OF A CAR WINDSHIELD ON DEPTH CALCULATION WITH A STEREO CAMERA SYSTEM
Stereo camera depth calculation camera calibration bundle adjustment statistical test
2016/11/11
Stereo camera systems in cars are often used to estimate the distance of other road users from the car. This information is important to improve road safety. Such camera systems are typically mounted ...
A NOVEL SUB-PIXEL MATCHING ALGORITHM BASED ON PHASE CORRELATION USING PEAK CALCULATION
Image Matching Phase Correlation Peak Calculation Window Constraint Correlation Coefficient
2016/7/4
The matching accuracy of homonymy points of stereo images is a key point in the development of photogrammetry, which influences the geometrical accuracy of the image products. This paper presents a no...
Bioelectrical impedance: effect of 3 identical meals on diurnal impedance variation and calculation of body composition
diurnal variation body composition meal ingestion
2016/6/14
Bioelectrical impedance analysis (BIA) can be
used for estimating body composition. Earlier studies showed
that the ingestion of meals lowers bioelectrical impedance, but
none studied the effect of...
Lock-free GaussSieve for Linear Speedups in Parallel High Performance SVP Calculation
Linear Speedups High Performance Computing
2016/1/7
Lattice-based cryptography became a hot-topic in the past years because it seems to be quantum immune, i.e., resistant to attacks operated with quantum computers. The security of lattice-based cryptos...
CALCULATION AND DISCUSSION ON CORRECTING MODEL OF THE POTENTIAL TEMPERATURE ABOVE COMPLEX TERRAIN BASED ON NOAA/AVHRR AND DEM
NOAA/AVHRR DEM Black-body Temperature Potential Temperature Complex Terrain Correction Model
2015/12/28
This paper analyzed factors which affects the mountain temperature. Taking Chongqing in China as an example, the black-body temperature (TBB) retrieved from NOAA/AVHRR data was converted into the pote...
STUDY ON CALCULATION OF LAND SURFACE EVAPOTRANSPIRATION USING REMOTE SENSING
Evapotranspiration(ET) Remote sensing NOAA/AVHRR
2015/7/30
Evapotranspiration (ET) plays a significant role in regional and global climates through its partitioning in hydrological cycles, and
its estimation is thus of a great importance in assessing ground...
Adaptive local basis set for Kohn–Sham density functional theory in a discontinuous Galerkin framework I: Total energy calculation
Electronic structure Kohn–Sham density functional theory Discontinuous Galerkin Adaptive local basis set Enrichment functions Eigenvalue problem
2015/7/14
Kohn–Sham density functional theory is one of the most widely used electronic structure theories. In the pseudopotential framework, uniform discretization of the Kohn–Sham Hamiltonian generally result...
Applying The Line Following Algorithm In The Calculation of The Tension Strength of Stay-ropes of Towers
Algorithms Semi automation Non-metric
2015/7/14
A computer system for the determination of the tension strength of a stay-rope has been elaborated. The tension strength in stayropes
of towers needs to be calculated to approve its verticality and t...
An Adjoint Method for the Calculation of Remote Sensitivities in Supersonic Flow
Adjoint Method Calculation Remote Sensitivities Supersonic Flow
2015/7/2
This paper presents an adjoint method for the cal culation of remote sensitivities in supersonic flow.The goal is to develop a set of discrete adjoint equa tions and their corresponding boundary...
Calculation of Plunging Breakers with A Fully-Implicit Adaptive-Grid Method
Calculation Plunging Breakers A Fully-Implicit Adaptive-Grid Method
2015/7/1
A grid adaptation strategy is used to capture the wave motions as well as the wavemaker's oscillations. Comparisons are made between the numerical solutions and the tank measurements for the plunging ...
On the calculation of available potential energy in internal wave fields
available potential energy internal wave fields
2015/6/30
A comparison of three common formulations for calculating the available potential energy (APE) in internal wave fields is presented, namely the perturbation APE, APE1, the exact local APE, APE2, and i...