搜索结果: 1-15 共查到“知识库 Computationally-Efficient”相关记录15条 . 查询时间(0.062 秒)
A New Computationally Efficient Stochastic Approach for Building Reconstruction from Satellite Data
Reconstruction Urban DEM Satellite structural approach MCMC
2015/12/4
We present a 3D building reconstruction method from satellite images based on a stochastic approach. It consists in reconstructing buildings by assembling simple urban structures extracted from a libr...
COMPUTATIONALLY EFFICIENT EXTRACTION AND INTEGRATION OF MULTI-WAVELET BASED FEATURES FOR SEGMENTATION OF SAR IMAGES
M-band wavelet packets Unsupervised classification Texture
2015/8/28
Classification of land cover using SAR images is an area of considerable current interest and research. A number of methods have
been developed to classify land cover from SAR images and these techni...
Application of a computationally efficient method to approximate gap model results with a probabilistic approach
computationally efficient method approximate gap model results probabilistic approach
2014/12/19
To be able to simulate climate change effects on forest dynamics over the whole of Switzerland, we adapted the second-generation DGVM (dynamic global vegetation model) LPJ-GUESS (Lund–Potsdam–Jena Gen...
Using model reduction to predict the soil-surface C18OO flux: an example of representing complex biogeochemical dynamics in a computationally efficient manner
Using model reduction predict the soil-surface C18OO flux representing complex biogeochemical dynamics computationally efficient manner
2014/12/16
Earth system models (ESMs) must calculate large-scale interactions between the land and atmosphere while accurately characterizing fine-scale spatial heterogeneity in water, carbon, and other nutrient...
GAPPARD: a computationally efficient method of approximating gap-scale disturbance in vegetation models
GAPPARD computationally efficient method approximating gap-scale disturbance vegetation models
2014/12/12
Models of vegetation dynamics that are designed for application at spatial scales larger than individual forest gaps suffer from several limitations. Typically, either a population average approximati...
Computationally efficient methods for modelling laser wakefield acceleration in the blowout regime
Computationally efficient methods modelling laser wakefield acceleration blowout regime Accelerator Physics
2012/4/19
Electron self-injection and acceleration until dephasing in the blowout regime is studied for a set of initial conditions typical of recent experiments with 100 terawatt-class lasers. Two different ap...
Computationally-Efficient DSP-based MIMO Equalization for OSNR gains in 40Gb/s OFDMA-PON
Computationally-Efficient DSP-based MIMO Equalization OSNR gains 40Gb/s OFDMA-PON
2015/5/25
We present and experimentally verify a novel computationally-efficient MIMO equalization method in 40Gb/s OFDMA-PON with polarization multiplexing and direct detection. A 2.1dB DSP-based OSNR gain is ...
Computationally efficient algorithms for statistical image processing. Implementation in R
Image analysis signal detection image recon-struction percolation noisy image unsupervised machine learning spatial statistics
2011/3/24
In the series of our earlier papers on the subject, we proposed a novel statistical hypothesis testing method for detection of objects in noisy images. The method uses results from percolation theory ...
Computationally Efficient Modulation Level Classification Based on Probability Distribution Distance Functions
Computationally Efficient Modulation Level Classification Probability Distribution Distance Functions
2011/2/25
We present a novel modulation level classification (MLC) method based on probability distribution distance functions.
Computationally Efficient Modulation Level Classification Based on Probability Distribution Distance Functions
Computationally Efficient Modulation Level Classification Probability Distribution Distance
2011/1/4
We present a novel modulation level classification (MLC) method based on probability distribution distance functions. The proposed method uses modified Kuiper and Kolmogorov- Smirnov (KS) distances to...
Computationally Efficient Estimation of Factor Multivariate Stochastic Volatility Models
Approximate EM Adaptive sampling Delayed rejection Gaussian copula marginallikelihood Markov chain Monte Carlo
2010/3/10
An Markov chain Monte Carlo simulation method based on a two stage delayed
rejection Metropolis-Hastings algorithm is proposed to estimate a factor
multivariate stochastic volatility model. The firs...
An Adaptive Resolution Computationally Efficient Short-Time Fourier Transform
Adaptive Resolution Computationally Efficient Short-Time Fourier Transform
2009/9/4
The short-time Fourier transform (STFT) is a classical tool, used for characterizing the time varying signals. The limitation of the STFT is its fixed time-frequency resolution. Thus, an enhanced vers...
ISORROPIA II: a computationally efficient thermodynamic equilibrium model for K+–Ca2+–Mg2+–NH4+–Na+–SO42−–NO3−–Cl−–H2O aerosols
thermodynamic equilibrium model aerosol
2008/12/18
This study presents ISORROPIA II, a thermodynamic equilibrium model for the K+–Ca2+–Mg2+–NH4+–Na+–SO42−–NO3−–Cl−–H2O aerosol system. A comprehensive evaluation of its performance is ...
A computationally-efficient secondary organic aerosol module for three-dimensional air quality models
organic aerosol module three-dimensional air quality models
2008/11/13
Accurately simulating secondary organic aerosols (SOA) in three-dimensional (3-D) air quality models is challenging due to the complexity of the physics and chemistry involved and the high computation...
A Lattice-Based Computationally-Efficient Private Information Retrieval Protocol
Private Information Retrieval Protocol
2008/5/21
A PIR scheme is a scheme that allows an user to get an element of a database without
giving any information about what part of the database he is interested in.
In this paper we present a lattice-ba...