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ihs融合
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  ihs fusion
     then discussed some fusion algorithms based on the IHS transform, and found out the best IHS fusion model according to the experiment results;
     进而讨论了基于IHS变换的图像融合算法,并依据实验结果选定了最优的IHS融合形式; 讨论了基于小波变换的融合算法,并对融合过程中小波基及分解层数的选择进行了研究;
短句来源
     Dynamic monitoring of Nanjing city extension was conducted by using the technology of remote sensing and GIS which include pseudo color composite based on principal components analysis,integrated processing of subtraction and quotient,IHS fusion and the analysis of buffer.
     采用基于主成分分析的假彩色合成、IHS融合及其关键技术、差值比值综合处理和缓冲区分析等遥感与GIS技术 ,对南京市城镇用地扩展进行了动态监测。
短句来源
     Three new RS information fusion algorithms, including the synthetic algorithm of wavelet and IHS fusion, synthetic principal component analysis fusion and weighted IHS fusion method, are proposed according to the demands of Terrestrial Surface Evolution (TSE) research.
     面向工矿区陆面演变分析对遥感信息融合的要求,针对传统IHS融合算法的不足,提出了小波-IHS集成融合算法、主成分综合融合方法和加权特征IHS融合算法。
短句来源
     The synthetic algorithm of wavelet and IHS fusion consists of the advantages of IHS fusion and wavelet-based fusion simultaneously, and synthetic principal component analysis fusion combines information fusion with dimensional reduction, and weighted IHS fusion is able to contain the superiorities of multi-source RS images due to its adaptive weight selection by statistical properties of images.
     小波-IHS集成融合算法集成了IHS融合与小波融合两种算法的优点; 主成分综合融合算法有效地将降维操作与信息融合予以集成;
短句来源
     The proposed method was compared with IHS fusion method and IHS and wavelet integrated method. Both qualitative and quantitative results showed that using the proposed method can get identical ever more satisfactory result than using IHS and wavelet integrated method,but this method can reduce computing time remarkably.
     通过两组仿真试验将该算法与IHS融合法、基于IHS变换和小波变换相结合的融合方法进行了比较,定性和定量的评价分析表明,提出的融合方法获得了基于IHS变换与小波变换相结合的融合方法相同甚至更好的融合效果,但算法更加简化。
短句来源
  ihs transformation
     The color of the HPFF image is approximate to color of the low spatial resolution multi-spectral image. The HPFF method is more excellent at preserving spectrum than the IHS transformation, and the classification accuracy of the HPFF image is more 5.69% higher than the IHS image.
     HPFF融合法的光谱保持性能优于IHS变换法,HPFF融合后的图像的色彩与TM影像相近,HPFF融合后图像的分类精度高于IHS融合后的图像,HPFF融合法是一种能较好地保持光谱特性的融合方法。
短句来源
     A method, which is the combination of wavelet transformation and IHS transformation, is described in this paper. The fusion of multispectral bands and panchromatic band of ETM images is achieved by using this method. The result of the fusion indicates that the method of combination of wavelet transformation and IHS transformation is more advanced than the method of IHS transformation in the fusion of multispectral bands and panchromatic band of ETM images.
     采用小波变换和IHS结合的方法实现了ETM多光谱波段和ETM全色波段的融合,并与传统的IHS融合的结果进行比较,结果表明小波和IHS变换相结合的方法优于IHS方法。
短句来源
     Based on the model of wavelet transforms,higher spatial resolution SPOT panchromatic image is fused with the LandsatTM multispectral image by using IHS transformation、wavelet transition,then the results of experiment were studied and discussed.
     在给出小波分解基本模型的基础上,采用IHS融合法、小波变换法对SPOT全色卫星影像数据和LandsatTM多光谱数据进行了融合处理,同时对实验结果进行了分析和讨论。
短句来源
  “ihs融合”译为未确定词的双语例句
     The information of multi spectral data of Landsat TM and panchromatic data of SPOT was made full use of by operating IHS transformations and integrated processing of subtraction and quotient.
     通过IHS融合 (IHStransformation)技术和比值、差值综合处理技术 ,充分利用了现有的TM多光谱影像和SPOT全色光影像的光谱信息。
短句来源
     This paper proposed its algorithm, firstly filtering on the panchromatic image, and then fusing the remote sensing data applying IHS transform. The classification precision by DFF is much higher at spectrum preservation than that by IHS transform.
     DFF融合后的图像色彩与TM影像一致 ,光谱保持性能也优于IHS变换法 ,DFF融合图像的分类精度也高于IHS融合图像。
短句来源
     We performed simulation tests that fused multispectral images and panchromatic images with IHS, SFIM and our improved SFIM fusion techniques respectively. Simulation results show preliminarily that our improved SFIM method is better than IHS or SFIM method and can get excellent spatial resolution while preserving the spectral information of multispectral images.
     通过一组多光谱图像和全色图像的融合实验 ,并对比常用的 IHS融合方法和 SFIM方法 ,证明了新算法在保持多光谱图像光谱特性的同时 ,能有效提高融合图像的空间分辨能力
短句来源
     Matching error causes spectral distortion and degradation in processing of remote sensing images fusion with IHS method. Wavelet decomposition has properties of frequency division in transform domain. And the statistical properties of wavelet coefficient reflect those significant features, such as edges, lines and regions.
     遥感影像的IHS融合方法由于匹配误差导致光谱畸变和退化,而小波变换在变换域具有良好的分频特性,小波系数的统计特性反映了遥感影像的边缘、线和区域等显著特征。
短句来源
     In this study,SAR and TM images are used to classify the mangrove using unsupervised,supervised,neural networks and data fusion methods. And three types of data fusion such as IHS,Wavelet and PCA are used in mangrove classification. The study demonstrates that radar remote sensing can provide useful information for mangrove study.
     本文以珠海淇澳岛红树林区为例,使用SAR图像与TM图像,探讨了监督分类、非监督分类以及神经网络分类3种分类方法和IHS融合、小波融合以及主成分融合3种融合方法对红树林群落进行分类的效果。
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  ihs fusion
An enormous improvement of the new fusion technique over the IHS fusion can clearly seen by comparing Figure 7 and Figure 5.
      
For red levels in two fusion methods, IHS fusion images demonstrated generally wider distribution ranges as compared to Wavelet method.
      
IHS fusion method applied in this study presented generally good results on grey roofs, roads and streams.
      
Partial areas were enlarged to compare resolutions between Wavelet and IHS fusion method.
      
The basic concept of IHS fusion is shown in Figure 1.
      
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  ihs transformation
The IHS transformation is unique because it is applicable in regressions where the dependent variable to be transformed may be positive, zero, or negative.
      
We apply the IHS transformation to examine the economic benefits of mental health treatment for individuals with depression, where over half of the observations of the dependent variable are negative or zero.
      
IHS transformation method is easy to apply, but allows only three bands to be applied.
      
The detailed steps of the IHS transformation used in this study are given in Figure 1.
      


Dynamic monitoring of Nanjing town extension was studied by using multi sensor data of three phases.The information of multi spectral data of Landsat TM and panchromatic data of SPOT was made full use of by operating IHS transformations and integrated processing of subtraction and quotient.It was a valuable pilot study in fulfilling computer automatic classification by taking advantage of SPOT panchromatic.The results showed that the town extension of Nanjing was speeded up.

利用 3个时期的二源遥感影像 ,对南京城镇用地扩展进行了动态监测。通过IHS融合 (IHStransformation)技术和比值、差值综合处理技术 ,充分利用了现有的TM多光谱影像和SPOT全色光影像的光谱信息。在利用SPOT全色光影像方面作了有益的探索。发现南京城镇扩展是加速发展的

Dynamic monitoring of Nanjing city extension was conducted by using the technology of remote sensing and GIS which include pseudo color composite based on principal components analysis,integrated processing of subtraction and quotient,IHS fusion and the analysis of buffer.Full use of the information of multi spectral data of landsat TM and SPOT panchromatic by operation was made.It was a valuable study on fulfilling computer automatic classification...

Dynamic monitoring of Nanjing city extension was conducted by using the technology of remote sensing and GIS which include pseudo color composite based on principal components analysis,integrated processing of subtraction and quotient,IHS fusion and the analysis of buffer.Full use of the information of multi spectral data of landsat TM and SPOT panchromatic by operation was made.It was a valuable study on fulfilling computer automatic classification by taking advantage of multi source and multi phase remotely sensed data.It was found that the direction of Nanjing city extension is similar to the direction of road building by technology of GIS.The results of the study will provide references in directing layout of Nannjing City.

采用基于主成分分析的假彩色合成、IHS融合及其关键技术、差值比值综合处理和缓冲区分析等遥感与GIS技术 ,对南京市城镇用地扩展进行了动态监测。充分利用了TM多光谱影像和SPOT全色光影像的光谱信息。在利用多源遥感影像实现计算机自动解译方面作了有益的探索。发现南京城镇的扩展速度加快与道路建设的发展具有同向性。研究结果对南京市的建设规划将有参考价值

These fusion methods such as IHS transform, Brovey transform and principal components transform could merge two optical image data of different resolutions—a high spatial resolution panchromatic image and a low spatial resolution but multispectral image. But these fusion methods required the spectral response range of the high spatial resolution panchromatic image was same equal or approximate to the spectral response range of the multispectral image. This paper puts forward a kind of new fusion method called...

These fusion methods such as IHS transform, Brovey transform and principal components transform could merge two optical image data of different resolutions—a high spatial resolution panchromatic image and a low spatial resolution but multispectral image. But these fusion methods required the spectral response range of the high spatial resolution panchromatic image was same equal or approximate to the spectral response range of the multispectral image. This paper puts forward a kind of new fusion method called directional filter fusion (DFF) that could merge two optical image data of different spectral characteristics. This paper proposed its algorithm, firstly filtering on the panchromatic image, and then fusing the remote sensing data applying IHS transform. The classification precision by DFF is much higher at spectrum preservation than that by IHS transform.

常用的遥感图像融合的方法如IHS变换法、Brovey变换法和主成分变换法实施图像融合时 ,均会有不同程度的光谱扭曲的现象 ,该文探讨了一种新的光谱保持型的DFF融合算法。DFF融合法先对参与融合的全色波段进行方向滤波 ,而后将滤波后的全色波段替换IHS正变换后的明度分量 ,再进行IHS逆变换便得到融合图像。DFF融合后的图像色彩与TM影像一致 ,光谱保持性能也优于IHS变换法 ,DFF融合图像的分类精度也高于IHS融合图像。

 
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