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......

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......

基于自混合散斑干涉的转速测量,提出一种新型的转速测量方法。激光自混合散斑系统作为测量和参考光, 利用自混合散斑信号的频谱来......

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......

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......

Accurate spectral measurement and wavelength determination are fundamental and vital for many fields.A compact spectrum ......

斑点噪声压缩和组织结构保留对超声图像的临床诊断非常重要,因此提出一种基于改良局部二值模式的超声斑点降噪方法。该方法通过计......

提出了一种基于乘积模型的极化SAR滤波方法。首先基于乘积模型分离纹理信息和极化信息,然后分别独立地进行滤波,最后再合成协方差......

近年来，数字全息显微技术在复杂表面测量领域得到了广泛关注。数字全息技术主要分为干涉记录和重构再现两部分。在激光干涉记录中，散......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

During the ultrasonic medical image edge detection, one of the difficult problems is that there am some speckles that sh......

Two new sorts of fiber optic sensor are designed.Firstly, the variation of refractive index of resin surrounding the emb......

散斑是激光三角传感器测量不确定度极限的根本影响因素.提出了一种用于旋转对称激光三角传感器的激光散斑的仿真方法,获得了仿真散......

Anisotropic diffusion has good effect on reducing noise and preserving edge, but it may lose some details due to the blo......

研究了激光在背光源中的散斑现象。设计了红色、绿色和蓝色激光模块,搭建了一个背光源系统,且把分别把红色、绿色和蓝色激光耦合到......

A novel approach is proposed for speckle reduction in multilook full polarimetric SAR images.In contrast to others, this......

To preserve the sharp features and details of the synthetic aperture radar (SAR) image effectively when despeckling, a d......

In this review, a critical look at the research progress of experimental solid mechanics in China for the past years is ......