نتایج جستجو برای: univariate deterministic methods idw
تعداد نتایج: 1927363 فیلتر نتایج به سال:
We first present two GPU implementations of the standard Inverse Distance Weighting (IDW) interpolation algorithm, the tiled version that takes advantage of shared memory and the CDP version that is implemented using CUDA Dynamic Parallelism (CDP). Then we evaluate the power of GPU acceleration for IDW interpolation algorithm by comparing the performance of CPU implementation with three GPU imp...
Abstract This study aims to assess the urban air quality, and map NO 2 , SO PM 10 profiles using two widely spatial interpolation methods, ordinary kriging (OK) inverse distance weighting (IDW) by estimating their concentrations at distinct non-monitored locations. Assessment mapping of pollutants in this help with policy formulation decision-making. Kota, industrial educational hub Rajasthan (...
objective: the current research is to investigate the relation between deterministic thinking and mental health among drug abusers, in which the role of cognitive distortions is considered and clarified by focusing on deterministic thinking. methods: the present study is descriptive and correlative. all individuals with experience of drug abuse who had been referred to the shafagh rehabilitati...
Moso bamboo (Phyllostachys heterocycla (Carr.) Mitford cv. Pubescens) is an important timber substitute in China. Site specific stand management requires an accurate estimate of soil organic carbon (SOC) stock for maintaining stand productivity and understanding global carbon cycling. This study compared ordinary kriging (OK) and inverse distance weighting (IDW) approaches to study the spatial ...
In some significant applications such as data forecasting, the locations of missing entries cannot obey any non-degenerate distributions, questioning validity prevalent assumption that is randomly chosen according to probabilistic model. To break through limits random sampling, we explore in this paper problem real-valued matrix completion under setup deterministic sampling. We propose two cond...
New remote sensing technologies have emerged to quantitatively assess submersed aquatic vegetation abundance and distribution. We evaluated a hydroacoustics global positioning system to map the percent of the water column occupied by submersed vegetation (referred to here as biovolume) in three Minnesota (USA) lakes. We evaluated the relative accuracy and precision of digital biovolume maps pro...
In order to estimate rainfall magnitude at unmeasured locations, this entry to the Spatial Interpolation Comparison of 1997 (SIC'97) used 2-dimensional, anisotropic, inverse-distance weighting interpolator (IDW), with cross-validation as a method of optimizing the interpolator's parameters. A jackknife resampling was then used to reduce bias of the predictions and estimate their uncertainty. Th...
To determine which interpolation technique is the most suitable for each case study an essential task a correct soil mapping, particularly in studies performed at regional scale. So, our main goal was to identify accurate method mapping 12 variables three different depth intervals: 0–5, 5–10 and >10 cm. For doing that, we have compared nine methods (deterministic geostatistical), drawing map...
Inverse Distance Weighted (IDW) based interpolation method is also widely used in earth science studies. In the classical IDW method, directional distribution of reference points around point to be estimated within critical circle and slope differences are not taken into consideration. On other hand, IDW-based developed by Shepard, ratio distances radius (r), anisotropy this study, results Shep...
In deterministic optimization problems, line search routines are a standard tool ensuring stability and efficiency. In the stochastic setting, no direct equivalent has so far been formulated, because uncertain gradients do not allow for a strict sequence of decisions collapsing the search space. We construct a probabilistic version of the line search paradigm, by combining the structure of exis...
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