提出了一种基于分段主成分分析的波段选择算法。
提出了一种基于分段主成分分析的高光谱图像波段选择算法。
A segmented PCA based band selection algorithm of hyperspectral image is proposed.
利用超光谱数据对多光谱传感器的波段选择提出了一个框架。
A framework was proposed for the selection of wavelength bands for multispectral sensors by use of hyperspectral reference data.
首先采用自适应波段选择方法对高光谱遥感图像进行谱间压缩。
At first, adopt the Adaptive Band Selection to compress spectrum dependence of hyperspectral remote sensing image.
介绍了通过大气光谱特征分析对大气层外目标进行探测的波段选择方法。
Wavelength band selection method for target detection which is out of the atmosphere based on character of atmosphere radiation is proposed in the paper.
该文提出了一种新的基于分类别主成分分析(PCA)散度的波段选择方法。
An efficient algorithm using divergence based class-within principal component analysis (PCA) and analysis of corresponding coefficients is proposed.
提出一种基于近红外光谱与化学组分之间相关信息量分析的光谱波段选择方法。
Firstly, a new wavelength selection method based on the relevant information between chemical component and the NIR spectra is developed.
波段选择也属于变量选择,它是用选出来的波段代替全波段建模从而改善模型的性能。
Wavelength selection methods are variable selection techniques that allow calibration models to be constructed with a subset of spectral points instead of with the whole spectrum.
高光谱图像间存在着大量的冗余信息,波段选择能够有效地去除冗余信息从而减少计算量。
There is great redundancy information in hyperspectral image and band selection can effectively remove it and reduce computational cost accordingly.
结合地面实测地物光谱详细分析不同地物光谱特性,进行面向土地覆盖易混类别的波段选择;
According to the analysis of different spectrum character, bands selection oriented to land cover sorts that easy to be promiscuous is carried through.
另外,根据图像特征和经验对图像进行波段选择,也是改善高光谱遥感分类效果的有效途径。
In addition, the spectral selection based on the image's feature and experience is also an effective way to improve the classification of hyper-spectral remote sensing images.
德国博客Surfpoeten为在电视机前观看世界杯比赛却被塑料喇叭搅得心神不宁的球迷带来了一个DIY的解决之道:一个能够选择性地消除呜呜祖啦所发出的特定波段的软件过滤器。
Surfpoeten comes a DIY solution for home Cup-watchers driven to distraction by the stadium horns: a software filter that selectively mutes the particular frequency of the vuvuzela.
结果表明,测量系统工作波段的选择是非常重要的。
The result shows that working waveband selection of measurement system is very important.
介绍S波段超小型调频发射机方案的选择、电路设计、结构安排,并对该发射机的稳定性和质量进行了分析。
The selection of plan of super small size s band FM transmitter, its circuit design and structural arrangement are introduced, and the stability and quality of the transmitter are also analyzed.
本文阐述了一种用于微波波段的脉冲鉴相器的工作原理、主要参数的选择原则,并对其进行了取样效率的理论分析。
The operating principle and the choice of the main parameters for a new pulse phase detector used in UHF band is described. The sampling efficiency is discussed.
相关数字接收机可以支持选择32个波段通道同时产生的任意四个输出。
The associated digital receiver (not shown) can support the selection of any combination of four simultaneous outputs from the 32 wavelength channels.
本文首先论述了遥感图像多光谱假彩色合成中组合波段的选择方法以及彩色合成的几种方法。
Several methods of the choice in assembled spectral and color composite in false color composite of multi-spectral RS images are discussed.
利用原子散射因子数据,对常用X射线组合透镜材料在高能X射线波段的光学常数进行了计算,并分析了组合透镜设计中的材料选择问题。
With the data of atom scattering factors, optical constants of some useful material for X-ray compound lens in high-energy X-ray waveband were calculated.
实验结果表明,本文给出的高光谱遥感影像优化分类波段组合选择方法是非常有效的。
The experiment results indicate that the optimal classification bands combination selecting approach supplied in this paper is quite effective.
通过所用树脂、颜填料和助剂的选择和搭配,尤其针对本研究体系的特殊性,采用了一种特种助剂T,使研制的涂层在可见-近红外波段的反射比达到80。
Proper selection of the resin, pigments and fillers and additives, Especially, a special additive T and formulation lead to the average reflectance ratio is up to 80.
根据实际需要,转动波段开关,选择合适的开启、闭合的速度。
Turn band switch on the basis of actual need and choose suitable open and close speed.
部分辐射高温计在窄的选择波段上是灵敏的。
Partial radiation pyrometers are sensitive to narrow selective wavebands.
紫外吸收光谱法是利用不同气体在紫外波段对光具有选择吸收的特性来测量排放烟气中的气体成分和浓度。
UV absorption spectrometry is a method for measuring the gas component and its concentration by the characteristic of selective absorption for light in the UV-VIS region.
同时还研究了这种探测的反演计算、误差分析、有效信息量和如何选择最优波段等问题。
We also studied the problems of inversion computation, analyses of errors, effective information and selection of the optimal optical wave lengths associated with this remote sensing process.
由于热像仪响应、大气衰减以及有些目标辐射明显的光谱选择性,基于波段处理会带来测量误差。
Because of the obvious spectral choice of IR thermal camera response and atmospheric attenuation and some objection's radiance, it can cause error when data processing based on waveband.
将其运用到大气外目标探测的问题,得到了较好的探测波段的结果,说明此方法选择优化波段进行目标探测是有效的。
Applying this method to target detection out of the atmosphere, the result has been obtained. It can be approved the method is effective to choose optimum wavelength bands for target detection.
误差分析结果表明,通过提高光谱的最小分辨力及选择较长的光谱波段进行测量计算;
The result of error analysis shows that the relative error can be reduced efficiently by use of spectrometers with higher spectral resolution and longer spectral band to measure and calculate.
变量在投影方向的重要程度(VIP)得分作为波段间隔选择的挑选依据。
The variables important in projection (VIP) scores of wavelength intervals were considered as selection criteria.
变量在投影方向的重要程度(VIP)得分作为波段间隔选择的挑选依据。
The variables important in projection (VIP) scores of wavelength intervals were considered as selection criteria.
应用推荐