搜索结果: 1-15 共查到“理学 Filtering”相关记录36条 . 查询时间(0.141 秒)
A THRESHOLD-FREE FILTERING ALGORITHM FOR AIRBORNE LIDAR POINT CLOUDS BASED ON EXPECTATION-MAXIMIZATION
Airborne LiDAR Point clouds Filtering Ground points Expectation-maximization Intensity
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2018/5/14
Filtering is a key step for most applications of airborne LiDAR point clouds. Although lots of filtering algorithms have been put forward in recent years, most of them suffer from parameters setting o...
SEGMENTATION BASED ROBUST INTERPOLATION – A NEW APPROACH TO LASER DATA FILTERING
Laser scanning Filtering Segmentation
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2015/8/13
a general strategies for solving the problem – for filtering can be identified. The first work directly on the measured points and
geometric criteria are used for the decision, if a point is on the g...
TERRAIN MODELING AND AIRBORNE LASER DATA CLASSIFICATION USING MULTIPLE PASS FILTERING
Multiple Pass Filtering ICM Classifi cation DTM
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2015/6/1
Airborne laser scanner technique provides a 3D perception of the terrestrial topography, including true ground and objects belonging
either to vegetated areas or to human made features. The high intr...
CycloTRACK (v1.0) – tracking winter extratropical cyclones based on relative vorticity: sensitivity to data filtering and other relevant parameters
winter extratropical cyclones relative vorticity sensitivity to data filtering other relevant parameters
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2014/12/19
In this study we present a new cyclone identification and tracking algorithm, cycloTRACK. The algorithm describes an iterative process. At each time step it identifies all potential cyclone centers, d...
A New Approach to Linear Filtering and Prediction Problems
A New Approach Linear Filtering Prediction Problems
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2014/8/13
The classical filtering and prediction problem is re-examined using the BodeShannon representation of random processes and the “state transition” method of
analysis of dynamic systems.
A New Approach to Linear Filtering and Prediction Problems
A New Approach Linear Filtering Prediction Problems
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2014/7/2
The classical filtering and prediction problem is re-examined using the Bode- Shannon representation of random processes and the “state transition” method of analysis of dynamic systems.
FILTERING AIRBORNE LIDAR DATA BY AN IMPROVED MORPHOLOGICAL METHOD BASED ON MULTI-GRADIENT ANALYSIS
LIDAR Filtering Airborne laser scanning Morphological gradient DEM
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2014/4/24
The technology of airborne Light Detection And Ranging (LIDAR) is capable of acquiring dense and accurate 3D geospatial data. Although many related efforts have been made by a lot of researchers in th...
SMART FILTERING OF INTERFEROMETRIC PHASES FOR ENHANCING BUILDING RECONSTRUCTION
Remote Sensing Building Reconstruction High Resolution InSAR
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2014/5/8
The current generation of space borne high resolution SAR sensors provides high spatial resolution as well as interferometric data within short time frames. This makes such data attractive for 3D info...
Realizable Rate Distortion Function and Bayesian FIltering Theory
Realizable Rate Distortion Function Bayesian FIltering Theory Information Theory
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2012/4/16
The relation between rate distortion function (RDF) and Bayesian filtering theory is discussed. The relation is established by imposing a causal or realizability constraint on the reconstruction condi...
Particle filtering in high-dimensional chaotic systems
particle filtering in high dimensions chaotic systems Lorenz’96 nonlinear filtering dimensional reduction homogenization
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2012/4/20
We present an efficient particle filtering algorithm for multiscale systems, that is adapted for simple atmospheric dynamics models which are inherently chaotic. Particle filters represent the posteri...
Optical Millimeter-Wave Signal Generation Using Frequency Quadrupling Technique and No Optical Filtering
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2011/11/22
This letter demonstrates a novel method to generate high-purity optical millimeter-wave signals with carrier suppression by using a frequency quadrupling technique. To the authors’ knowledge, this is ...
Generation of isolated attosecond pulses in the far field by spatial filtering with an intense few-cycle mid-infrared laser
isolated attosecond pulses the far field intense few-cycle mid-infrared laser
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2011/8/5
Abstract: We report theoretical calculations of high-order harmonic generation (HHG) of Xe with the inclusion of multi-electron effects and macroscopic propagation of the fundamental and harmonic fiel...
Quantum Filtering (Quantum Trajectories) for Systems Driven by Fields in Single Photon States and Superposition of Coherent States
Quantum Trajectory Superposition of Coherent States Single Photon States
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2011/10/8
Abstract: We derive the stochastic master equations, that is to say, quantum filters, and master equations for an arbitrary quantum system probed by a continuous-mode bosonic input field in two types ...
Quantum Filtering for Systems Driven by Fields in Single Photon States and Superposition of Coherent States using Non-Markovian Embeddings
quantum filtering continuous-mode single photon states continuous-mode superpositions of coherent states quantum stochastic processes
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2011/10/8
Abstract: The purpose of this paper is to determine quantum master and filter equations for systems coupled to fields in certain non-classical continuous-mode states. Specifically, we consider two typ...
Behavior patterns of online users and the effect on information filtering
bipartite networks reshuffling process information filtering
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2011/8/3
Abstract: Understanding the structure and evolution of web-based user-object bipartite networks is an important task since they play a fundamental role in online information filtering. In this paper, ...