speckle相关论文
Unknown speckle patterns can be used to image targets embedded in complex scattering media 100 times faster than previou......
We design a 645 nm laser diode (LD) with a narrow vertical beam divergence angle based on the mode expansion layer.The v......
Improved wavelet hierarchical threshold filter method for optical coherence tomography image de-nois
According to the speckle feature in Optical coherence tomography (OCT), images with speckle indicate not only noise but ......
After the three-dimensional self-affine fractal random surface simulation, we use the optical scattering theory to calcu......
Influence of the source’s energy fluctuation on computational ghost imaging and effective correction
We investigate the influence of the sources energy fluctuation on both computational ghost imaging and computational gho......
We present a global optimization method, called the genetic algorithms (GAs), for digital image/speckle correlation (DIS......
本文计算了三种不同表面相关下弱散射体平动时,散斑强度涨落的时-空交叉相关系数;用“非圆型度”和“束比”参数与交叉相关系数的......
The effect of speckle pattern on laser Doppler velocimeters is studied theoretically and experimentally. We have found t......
当相干光在粗糙表面散射时,会产生散斑现象。散斑严重影响了图像质量,必须加以抑制。通过散射体振动产生一系列的散斑图样,并在传......
为了消除光学相干层析成像(OCT)系统中存在的大量散斑噪声,引入了稳健性主成分分析(RPCA)算法。通过分析生物组织在OCT中散斑的产......
进一步研究了透镜后空间散斑场与透镜前刚性漫反射体线运动或角运动的关系,寻求出测量刚体多维运动的新方法。......
The performances of ghost imaging and conventional imaging in photon shot noise cases are investigated. We define an ima......
We present a pseudo-inverse ghost imaging(PGI) technique which can dramatically enhance the spatial transverse resolutio......
近年来，体全息存储技术以其存储容量大、数据传输率高和具有相关识别等特性被广泛研究。而基于散斑参考光的体全息散斑复用技术能够......
We design a 645 nm laser diode (LD) with a narrow vertical beam divergence angle based on the mode expansion layer. The ......
本文提出一种多通道定向散斑干涉计量的方法.利用一个多狭缝光阑对物体进行编码曝光.可以用一张负片直接给出连续变化的物体在不同......
基于微机电系统(MEMS)微加工技术和Pb(Mg1/3Nb2/3)O3-PbTiO3 (PMN-PT)电光材料设计的一维二进制码相位调制器(1D-BPM)可用于激光显......
光学扩散片是液晶显示器中的关键元件,兼具广角、高透过率、高均匀性的扩散片一直是液晶显示领域的重要研究目标。基于Helmholtz-K......
相干光经过多模光纤传输,在出射端形成一个随机的散斑场。对于非保偏多模光纤,还将出现退偏现象,使得入射的线偏振光不再保持线偏......
叶片是航空发动机的重要部件,由于工作环境恶劣,容易出现损坏。对损坏的叶片进行修复是比较经济的做法,模型重构是航空发动机叶片......
<strong>Background:</strong> <span style=“white-space:normal;”><span style=“font-family:;” “=”\">Atrial fibrilla......
X-ray speckle tracking based methods can provide results with best reported angular accuracy up to 2 nrad. However,duo t......
Stellate ganglion block(SGB)is highly beneficial when used for treating pain syndromes,including acute herpes zoster of ......
Imaging through scattering media is one of the hotspots in the optical field, and impressive results have been demonstra......
With the rapid development of computer technology and electronic equipment,as well as the corresponding improvement ......
Deformation Field around the Stress Induced Crack Area in Sandstone by the Digital Speckle Correlati
The deformation field around sub-cracks was calculated using the digital speckle correlation method.First,the uni-axial ......
假设弱散射体粗糙表面高度起伏服从高斯统计，在表面高度起伏分别服从高斯相关，指数相关，圆形相关的情况下，分析了由弱射体产生的远场高......
动态变丑被建议的测量齿轮牙齿的一个新方法。旋转齿轮牙齿的动态点缀相片被把搏动的红宝石激光与 out-syn-signal 相结合完成了。......
介绍一种利用光纤列阵传像的散斑照相术测试水下微小位移的方法。结合 SCOD 法测量了水下16 MnR 板试件表面裂纹的应力强度因子 K_......
利用计算机数字图象处理系统，以图象上各象素点的灰度为基准，设计了一种分割，细化对比度差的干涉条纹的方法。......
对不同速度下散斑在多普勒测速计中的影响进行了理论分析,并与实验结果进行了比较.结果发现多普勒频率的展宽与其中心频率的比值在......
The optical near-field speckles and their first order statistics on the basis of the integral equati
From Helmholtz equation of the harmonic electromagnetic waves, the integral equations of the light field at the medium b......
Systemic autoimmune diseases are characterized by an excess of cardiovascular(CV) morbidity and mortality compared to th......
Assessment of Age-related Changes in Left Ventricular Twist by Two-dimensional Ultrasound Speckle Tr
To assess the normal value of left ventricular twist (LVtw) and examine the changes with normal aging by 2-dimensional u......
A new method to remove the shadows in laser triangulation and a computer model for three-dimensional images with visual ......
Aimed at imaging technology through scattering medium using fs electronic holography, a set of image process algorithm ......
Directional Filter for SAR Images Based on Nonsubsampled Contourlet Transform and Immune Clonal Sele
A directional filter algorithm for intensity synthetic aperture radar (SAR) image based on nonsubsampled contourlet tran......
Exercise echocardiography has been used for 30 years.It is now considered a consolidated technique for the diagnosis and......
Evaluation of Right Ventricular Global Longitudinal Function in Patients with Tetralogy of Fallot by
Quantification of right ventricular(RV)volume and function remains a challenge because of RV complex geometry by convent......
A concept of statistical multiresolution analysis in amplitude-frequency domain is proposed, which is to employ the wave......
Target dynamics are assumed to be known in measuring digital speckle displacement. Use is made of a simple measurement e......
Although induced spatial incoherence (ISI) and image relay have provided ultrasmooth illumination at the far-field of th......
The principle and technologies employed in laser color video display are introduced. The characteristics of techniologie......
Based on the analysis on the statistical model of speckle noise in laser underwater image, a novel speckle reduction alg......
AIM:To examine the feasibility and reliability of measuring global and segmental longitudinal strain(LS) compared to vis......
Background The velocity vector imaging is an ultrasound speckle imaging that was recently developed,which is based on th......
Phase diverse speckle is a novel kind of imaging technique and can be used to overcome image degradation from unknown ph......
