搜索结果: 1-15 共查到“工学 Iterative”相关记录31条 . 查询时间(0.135 秒)
INDIVIDUAL ROCKS SEGMENTATION IN TERRESTRIAL LASER SCANNING POINT CLOUD USING ITERATIVE DBSCAN ALGORITHM
DBSCAN rocks segmentation terrestrial laser scanning fluvial transport
2018/6/5
The fluvial transport is an important aspect of hydrological and geomorphologic studies. The knowledge about the movement parameters of different-size fractions is essential in many applications, such...
AN AUTOMATIC OPTICAL AND SAR IMAGE REGISTRATION METHOD USING ITERATIVE MULTI-LEVEL AND REFINEMENT MODEL
SAR images image registration multi-features multi-measures visual saliency model iteration strategy
2016/11/23
Automatic image registration is a vital yet challenging task, particularly for multi-sensor remote sensing images. Given the diversity of the data, it is unlikely that a single registration algorithm ...
ATMOSPHERIC CORRECTION ITERATIVE METHOD FOR HIGH RESOLUTION AEROSPACE IMAGING SPECTROMETERS
Atmospheric Correction Imaging Spectrometers Remote Sensing Hyper Spectral Images Environmental Monitoring
2015/12/31
The increasing radiometric accuracy and spectral resolution of the new aerospace optical imagers for Earth observation could allow a better characterization of the environment. This is true if accurat...
IMAGE-TO-MAP CONFLICT DETECTION USING ITERATIVE TRIMMING : APPLICATION TO FOREST CHANGE
trimming change vector kernel density estimate
2015/11/16
Large scale vector databases are valued tools for forest management. It is therefore important to keep these databases up to date and
various change detection methods have been designed in this aim. ...
Maxwell Construction: The Hidden Bridge between Iterative and Maximum a Posteriori Decoding
Decoding the decoding algorithm maxwell decoder decoder binary
2015/8/21
There is a fundamental relationship between belief propagation and maximum a posteriori decoding. A decoding algorithm, which we call the Maxwell decoder, is introduced and provides a constructive des...
Nonlinear iterative solvers for unsteady Navier-Stokes equations
Nonlinear iterative solvers unsteady Navier-Stokes equations
2015/7/3
The application of nonlinear schemes like dual time stepping as preconditioners in matrix-free Newton-Krylov-solvers is considered and analyzed. We provide a novel formulation of the left precondition...
Iterative Building Reconstruction from Multi-Aspect InSAR Data
SAR Building Detection Reconstruction Urban Simulation Fusion
2015/5/26
Iterative Building Reconstruction from Multi-Aspect InSAR Data.
Noise Filtering of Remotely Sensed Images using Iterative Thresholding of Wavelet and Curvelet Transforms
Multi-resolution analysis wavelet transform curvelet transform additive noise noise filtering fixed thresholding iterative thresholding
2014/12/4
This article presents techniques for noise filtering of remotely sensed images based on Multi-resolution Analysis (MRA). Multiresolution techniques provide a coarse-to-fine and scale-invariant decompo...
Unsupervised Methods for Speaker Diarization: An Integrated and Iterative Approach
Bayesian nonparametric inference factor analysis HDP-HMM i-vectors principal component analysis speaker clustering speaker diarization spectral clustering variational Bayes
2014/11/27
Unsupervised Methods for Speaker Diarization: An Integrated and Iterative Approach.
On the Use of Spectral and Iterative Methods for Speaker Diarization
speaker diarization factor analysis Total Variability spectral clustering
2014/11/27
This paper extends upon our previous work using i-vectors for speaker diarization. We examine the effectiveness of spectral clustering as an alternative to our previous approach using Kmeans clusterin...
EXPLOITING SHADOW EVIDENCE AND ITERATIVE GRAPH-CUTS FOR EFFICIENT DETECTION OF BUILDINGS IN COMPLEX ENVIRONMENTS
Building Detection Shadow Evidence Iterative Graph-cuts Fuzzy Landscapes Optical Imagery
2014/4/24
This paper presents an automated approach for efficient detection of building regions in complex environments. We investigate the shadow evidence to focus on building regions, and the shadow areas are...
ITERATIVE DETERMINATION OF CAMERA POSE FROM LINE FEATURES
pose estimation line feature orthogonal iteration
2014/4/28
we present an accurate and efficient solution for pose estimation from line features. By introducing coplanarity errors, we formulate the objective functions in terms of distances in the 3D scene spac...
An iterative approach for modal analysis of solid rocket motor incorporating frequency dependent modulus
modal analysis eigenfrequency frequency dependent modulus
2014/5/19
The modulus of viscoelastic materials varies with excitation frequency.However,during modal analysis of frequency dependent materials,a material evaluation frequency is necessary because stiffness can...
Experimental Study of Polarization-Switched-QPSK Subcarrier Modulation and Iterative Demapping on Optical OFDM Systems
multiplex achieved OCIS codes
2015/5/21
We demonstrate application of polarization-switched-QPSK subcarrier modulation together with soft-FEC LDPC coding and iterative demapping on OFDM lab system. 4.5dB OSNR-sensitivity improvement versus ...
Iterative Learning Control Algorithm with a Fixed Step
iterative learning control fixed step time variant system
2011/8/4
Iterative Learning Control (ILC) captures interests of many scholars because of its capability of high precision control implement with no need of mathematical models, and it is widely applied in cont...