搜索资源列表
EnsembleKalman_filter
- 集合卡尔曼滤波(EnKF) 数据同化方法可以避免了EKF 中协方差演变方程预报过程中出现的计算不准确和关于协方差矩阵的大量数据的存储问题,最主要的是可以有效的控制估计误差方差的增长,改善预报的效果。-Ensemble Kalman Filter (EnKF) data assimilation methods can be avoided in the EKF covariance forecasting the evolution equation arising in the course
Texture-features
- matlab编写的用于实现灰度共生矩阵，灰度-梯度共生矩阵，灰度直方图，协方差系数，LOG滤波器的源代码了。全部经过测试，可以直接使用。对于做纹理分析很有帮助。一共有五个代码-matlab prepared for the realization of Gray Level Co-occurrence matrix, gray- gradient co-occurrence matrix, gray histogram, covariance coefficients, LOG source c
MVDR_bp
- 信干噪比和波束模式对常规波束形成和(最小方差无失真响应)MVDR的影响-get the effective of SINR and beampattern to CBF and MVDR
MVDR_beam
- 波束形成算法中的最小方差无失真响应波束形成器，并在一个图中给出常规波束和MVDR两种波形。 -Beamforming algorithm in the minimum variance distortionless response beamformer and give a diagram of conventional beamforming and MVDR two waveforms.
chip_histogram_features
- 直方图特征的计算，包括方差，峰度，熵值等。-Histogram of the characteristics of the calculation, including the variance, kurtosis, entropy and so on.
MatlAB1
- 求取图像信噪比 均方差 峰值信噪比 逼真度等的matlab 程序函数-Average Absolute Difference，Signal to Noise Ratio (dB)，Peak Signal to Noise Ratio (dB)，Image Fidelity，Mean Square Error，The difference between restoredimg entroy and originalimg，entroy
segmention-threshod
- 一些关于图像阈值确定的matlab程序，包括迭代阈值，最小类内方差，最大熵，和用matlab库函数对图像进行边缘检测。可运行-Number of image thresholding matlab identified procedures, including iterative threshold, the smallest category of variance, maximum entropy, and the use of matlab library function of the
byjc
- 对于一些图像来说，常用的边缘检测算法有时候无法设立合适的阈值将它们的梯度较小的模糊边缘检测出来。为了解决这个问题，有两种解决方法：将图像方差标准化，拉大模糊边缘的梯度值，或通过设置sigmoid函数，将像素所在区域的信息传递到梯度值中去，对其进行调整，就能找到合适阈值，有效地将模糊边缘提取出来。本程序把这两种算法实现并与与传统算法进行了比较。-For some images, the commonly used edge detection algorithm sometimes can not
adaptivefir
- 自适应滤波器。自适应滤波器为11个权系数的FIR结构。（1）不同的方差σ2（2）LMS算法画出一次实验的误差平方收敛曲线，训练长度为500，给出滤波器系数；进行20次独立实验，给出平均收敛曲线。不同步长值的比较。（3）RLS算法，LMS和RLS算法的比较 -Adaptive filter. Adaptive filter weights for 11 of the FIR structure. (1) different variance σ2 (2) LMS algorithm for a
graphicexperiment
- 用MATLAB实现数字图像处理的块编码，数字化，锐化，灰度级变换，直方差均衡等等。-Using MATLAB realization of digital image processing block coding, digitization, sharpening, gray-scale transformation, and so straight variance balanced.
LocalOstu
- 基于opencv的otsu阈值分割,根据最大类间方差原理,进行全局图像分类-Opencv based on the Otsu threshold segmentation, in accordance with the principle of maximum between-cluster variance for the overall image classification
rsvd
- 基于GM算法和QR分解实现的稳健奇异值分解算法，通过该算法可以获取一个数居阵的稳健方差－协方差阵。在该稳健方差－协方差阵上可以进行诸如，稳健主成份分解、稳健聚类、稳健因子分析等操作。-GM based on QR decomposition algorithm and the realization of the stability of singular value decomposition algorithm, the algorithm can be accessed through a
loacation_nornmalization_iris
- 采用最小均方差法对虹膜瞳孔定位，虹膜外圆定位，归一化及其增强处理，圆拟合-Using least-mean-variance method of positioning the iris pupil, iris outer location, normalized and enhanced handling, circle fitting
ABDF
- 基于最小方差准则（LMS）的自适应波束形成算法，matlab语言仿真示例-Based on the criteria of minimum variance adaptive beamforming algorithm
Imagequalityevaluation
- 包含了主要的图像质量评价的matlab源程序。图像熵，图像的方差和，以及基于边缘检测算子的质量评价函数。-Contains the main image quality evaluation of the matlab source code. Image entropy, variance and images, as well as edge detection operator based on the quality of the evaluation function.
otsu
- 图像的otsu分界算法的实现，不是调用函数的，是底层实现-otsu partition
cvi
- cvi图像分割技术的应用，通过基于均方错分误差最小的阀值选择方法，基于灰度差直方图的阀值选择方法，以及基于类间方差的阀值选择方法确定其分割的阀值。-cvi image segmentation techniques, through the mistake based on mean square error of the smallest sub-threshold selection method, based on the bad gray histogram threshold sele
LiaoThreshold
- OTSU图像分割快速算法。原创，附参考文献。-a faster version of Otsu s method
MultiStatis
- 多元统计分析的教程。多因素方差分析。图形显示。函数的使用-Multivariate statistical analysis of the tutorial. Multi-factor analysis of variance. Graphical display. Function of the use of
IRandvisbletuxiangpeizhun
- 针对可见光与红外图像的特点和难点，提出了可见光与红外图像配准与融合中的关键技术，即: 使用新型的基于一维最大类间方差和最大连通性测量的图像分割方法对源图像进行分割来更好地实行图像粗 配准 使用新型的特征点提取方法，特征点的匹配及误匹配的消除来更好地实行图像精配准 采用新型的基 于区域的树状小波活性测度计算来实现树状小波图像融合 利用自生成神经网络来实现模栩图像融合. -For visible light and infrared images of the characteris