相干斑噪声,Speckle Noise
1)Speckle Noise相干斑噪声
1.Speckle Noise Separation is an important problem in the remote sensing technology application.相干斑噪声分离是遥感技术应用中的一个重要问题,依据相干斑噪声图像的产生机理和信道特征,提出了适合非线性混迭环境下的相干斑噪声分离模型,设计了一个基于非线性混迭的相干斑噪声分离算法,实验证明,经过算法处理,有效地降低了图像的相干斑指数,保持了图像的细节特征。
2.An efficient method based on multiresolution hidden Markov model of wavelet-field to suppress the speckle noise in synthetic aperture radar (SAR) images is presented.针对合成孔径雷达(SAR)图像固有的相干斑噪声,提出了基于小波域多尺度隐马尔可夫模型(HMM)的去噪方法。
3.Synthetic aperture radar(SAR) images are corrupted by multiplicative speckle noise which decreases correlation between adjacent pixels,increases the information entropy and limits the performance of the classical coder/decoder algorithms in spatial domain.SAR图像固有的乘性相干斑噪声降低了图像的相关性,增加了信息熵,影响了图像压缩的性能。
英文短句/例句
1.Study of Iterative Filtering Algorithm for Speckle Noise of SAR Image;SAR图像相干斑噪声迭代滤波算法研究
2.A Study of Speckle Reduction Algorithms of Synthetic Aperture Radar Images;SAR图像相干斑噪声抑制算法的研究
3.Speckle Noise Modeling and Reducing Technique of Synthetic Aperture Radar Images;合成孔径雷达相干斑噪声建模与抑制技术
4.An Efficient Method for Removing Speckle Noise from SAR(Synthetic Aperture Radar) Image一种有效的SAR图像相干斑噪声抑制方法
5.Structure-Preserving Speckle Reduction of Using Nonlocal Means Filter基于非局部均值滤波的结构保持相干斑噪声抑制方法
6.The Coherent Speckle Suppression Method in SAR image Based on Contourlet Domain Adaptive BivaShrink Model基于Contourlet变换的自适应SAR图像相干斑噪声抑制算法
7.A New Speckle Reduction Method for SAR Images Based on Wavelet Transform一种新的基于小波变换的SAR图像相干斑噪声抑制方法
8.This system has the advantage of suppressing The coherent artifact noise.这种系统具有抑制相干噪声的优点。
9.Application of the Partial Coherence Function on the Noise Identification of Cars偏相干法在识别轿车噪声源中的应用
10.The Effect of the Noise on Coherence Resonance in a Calcium Oscillations System;钙离子振荡系统的噪声效应：相干共振
11.The Property of Quantum Noise in Coherent Atomic System;原子相干效应中量子噪声特性的研究
12.Principle Study on Noise Source Direction-Finding with Phase Interferometer相位干涉仪对噪声源测向的原理研究
13.Method Analysis on Coherent Noise Elimination of Vibroseis Data可控震源资料相干噪声消除方法分析
14.ON INSAR INTERFEROGRAM"S NOISE SIMULATINGInSAR干涉相位图噪声模拟的研究
15.For example, in holographic imagery the speckle pattern corresponds to troublesome background noise.例如，在全息照相中，斑纹图样相当于讨厌的背景噪声。
16.Coherent Resonance and Phase Locking in Noise-driven Excitable System;噪声作用下可激发系统的相干共振和相锁频
17.DOA estimation algorithm for coherent signals under correlated noise相关噪声背景下相干信源DOA估计算法研究
18.Study of Identifying Vehicle Noise Source with Partial Coherence Function;利用偏相干函数法识别汽车整车噪声源的研究
相关短句/例句
speckle[英]["spekl][美]["sp?kl?]相干斑噪声
1.Classification of SAR Images in the Presence of Speckle;相干斑噪声背景下的SAR图像分类方法研究
2.This paper mainly deals withspeckle reduction in SAR images based on the spatial orientation tree structure in the wavelet domain.论述了在小波域中通过空间向树结构对合成孔径雷达(SAR)图像相干斑噪声的抑制。
3.This paper mainly deal with a newspeckle reduction algorithm in high resolution SAR images based on wavelet transform.文章主要提出了一种新的基于小波变换对高分辨率合成孔径雷达(SAR)图像相干斑噪声抑制的算法。
3)coherent speckle相干斑噪声
1.This paper deals withcoherent speckle reduction in high resolution SAR image based on wavelet transform.论述了基于小波变换对高分辨率合成孔径雷达(SAR)图像的相干斑噪声进行抑制。
2.Becausecoherent speckle in the SAR images badly affects the post-processin -g of SAR images,which makes segmentation, classification and acquisition of an -other information in SAR images complicated,speckle reduction become to the first s.由于SAR图像中存在着显著的相干斑噪声，使SAR图像的分割，分类和其它信息的提取过程变得复杂，因此相干斑的抑制成为SAR图像后处理的第一步。
4)speckle denoising相干斑噪声抑制
1.Now research ofspeckle denoising algorithm in SAR image gradually becomes the hot topic of study.BK2001047)“合成孔径雷达(SAR)图像定量评估研究”,对 SAR 图像的相干斑噪声抑制进行了相关研究和分析,将一种对边缘检测比较有效的多尺度变换——Curvelet 变换应用于 SAR 图像相干斑噪声抑制,并对整个算法在并行 DSP 系统上的实现以及作为 Curvelet 变换实现的主要部分——小波变换的 FPGA 仿真进行了研究。
5)coherent noises相干噪声
1.The τ-p transform is one of the important techniques to eliminatecoherent noises and separate wave fields,but the operator aliasing artifacts and edge effect artifacts affect its resolution,therefore the conventional τ-p transform can t be used simply.τ-p变换是消除相干噪声、波场分离的重要方法之一,但常规τ-p变换存在算子假频和端点效应,分辨率太低,无法直接使用。
2.It is necessary to removecoherent noises and random noises in seismic data processing in order to improve the signal-to-noise ratio.要提高地震资料的信噪比，需要消除地震资料中的随机噪声和相干噪声。
6)coherent noise相干噪声
1.Study oncoherent noise attenuation using radial trace transform filtering;径向道变换压制相干噪声方法研究
2.Study on using radial trace transform to depresscoherent noise in high-density acquired data;径向道变换压制高密度采集资料中的相干噪声
3.Self-adaptivecoherent noise attenuation technique;自适应相干噪声衰减技术
延伸阅读
相干散射和非相干散射再辐射的光量子频率和被吸收的光量子频率准确相等的散射过程称为相干散射。在相干散射的情况下，源函数准确地等于平均辐射强度。再辐射的光量子频率和被吸收的光量子频率不相等的散射过程称为非相干散射。在天体物理中，存在一系列因素使散射过程成为非相干散射。主要的因素是：原子的能级有一定的宽度、原子的热运动和湍动以及压力效应等。对于非相干散射，源函数是相当复杂的。
