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hPSO
- A hybrid Particle Swarm Optimization algorithm for finding the minimum of the function fitness in the real space.-Particle Swarm Optimization algo abbreviation for finding the minimum of the function fi tness in the real space.
RLine
- 通过一系列点利用最小2乘法拟合直线,还包含画和计算法线平行线一些小函数-through a series of points with a minimum two multiplication fitting straight line, also includes paintings and calculating normal parallel lines some small function
circlefitting
- 最小二乘法拟合圆vc实现,最小二乘法(least squares analysis)是一种 数学 优化 技术,它通过 最小化 误差 的平方和找到一组数据的最佳 函数 匹配。 最小二乘法是用最简的方法求得一些绝对不可知的真值,而令误差平方之和为最小。-least squares fitting round vc realized, least-squares method (least squares analysis) is a mathematical optimization techniq
exhaustive
- 穷尽 块匹配算法 motionsEstAnalysis.m scr ipt to execute all Algorithms motionEstES.m Exhaustive Search Algorithm costFuncMAD.m Mean Absolute Difference Function minCost.m minimum cost among macro blocks motionComp.m motion compensated image creato
compare-five-window-functions
- 比较五种窗函数特性matlab程序:得到矩形窗、海明窗、三角窗、汉宁窗和布莱克曼窗图形。从仿真结果可知:矩形窗设计的过渡带最窄,但阻带最小衰减也最差。布莱克曼窗设计的阻带最小衰减最好,但过渡带最宽。-Comparison of characteristics of five kinds of window function matlab program: to be a rectangular window, Hamming window, triangular window, Hanning
0.618
- 函数f(x)=x2+2x,用黄金分割法求解最小值-Function f (x) = x2+2 x, the minimum value method with the Golden
Example_of_edge_detection_edge_linking_and_line_se
- 这个matlab程序实现了Edge Linking and Line Segment Fitting,解压后直接运行demo.m就可以了 - edgelink.m edge linking function that forms lists of connected edge points from a binary edge image. (Needs findendsjunctions and cleanedgelist below). drawedgelist.m plot
blossom.src
- 本代码执行Edmonds algorithm来进行最小代价函数,实现图形最佳匹配。参考文献:"Blossom V: A new implementation of a minimum cost perfect matching algorithm."Vladimir Kolmogorov. -Edmonds algorithm the implementation of the code for the smallest cost function to achieve the best m
kolmog
- 给定任意一个子波,通过克基霍夫变换返回最小相位子波。-Kolmogoroff spectral factorization. Given an arbitrary wavelet this function retrieves the minimum phase wavelet using Kolmogoroff factorization
shilianglianghuafenlei
- 提出一种利用最小交叉熵优化方法的矢量量化分类算法, 将矢量的分类问题转化为最小失真函数估计问题,通过关联随机迭代算法逼近最优值,以更好的减小量化误差。-A minimum cross-entropy optimization of the use of methods of classification of vector quantization algorithm, the classification of the vector into the issue of minimum-dist
chs-zdwc-fir-gbs
- 包括用窗函数法和最大误差最小化准则设计的FIR低通数字滤波器,并分析加矩形窗时的吉布斯现象(matlab程序)。从仿真结果可看出:采用最大误差最小化准则能得到阶数更低,阻带波纹特性更好的FIR低通滤波器,因此其效果更优。-Including the use of window function method and the maximum error criterion designed to minimize the FIR low-pass digital filter, and analy
lunkuotuxiangfenge
- 舌体轮廓的图像分割是计算机辅助舌诊系统进行图像分析的前提条件。提出了一种基于分水岭交换和主动轮廓模型相结合的自动轮廓分割算法。采用了分水岭变换的结果作为主动轮廓模型算法的初始曲线。在分水岭变换中,通过引入标记函数和强制最小值技术解决了传统分水岭变换可能导致的过分割问题,同时,在保证分割质量的基础上,通过降采样的方法来提高分割速度-Tongue contours for image segmentation is aided tongue diagnosis system, a prerequis
m
- imhmin函数H极小值变换,用形态学重构法修改灰度图像-imhmin minimum transform function H, with the grayscale morphological reconstruction method changes
Space_Filter
- Opencv写的空间滤波包括最大最小中值滤波等等,借鉴数字图像处理matlab版page117 的函数,几何平均,算术平均,调和平均,反调和平局,中值,中点等-Opencv write spatial filtering, including maximum and minimum median filtering, etc., drawing on digital image processing matlab version page117 function, geometric mean,
ImageBinaryzation
- image_binaryzation.m : 图像二值化主函数,调用otsu、kittler otsu.m : 类判别分类法(otsu全局二值化算法) kittler : 最小分类错误(minimum error thresholding)全局二值化算法 image_refining.m : 图像细化主程序,调用otsu、refining refining.m : 计算骨架的一种实用方法对图像进行细化 coins.bmp lenna.bmp woman_
Mark-a-watershed-segmentation
- 分五个部分讲解:1.计算分割函数。图像中较暗的区域是要分割的对象。 2.计算前景标志。这些是每个对象内部连接的斑点像素。 3.计算背景标志。这些是不属于任何对象的像素。 4.修改分割函数,使其仅在前景和后景标记位置有极小值。 5.对修改后的分割函数做分水岭变换计算。-Divided into five sections explain: (1) Calculate the partition function. The dark areas in the image is the
PR-myassignment
- 模式识别的分类函数,包括PCA,风险贝叶斯,最小误差贝叶斯,parzen窗函数等等。-Pattern recognition classification functions, including PCA, risk Bayesian minimum error the Bayesian, parzen window function, and so on.
pupil-localization
- 本函数选用阈值分割的方法来完成瞳孔定位。根据图像的灰度分布特性,瞳孔部分的灰度值最小,其次为虹膜部分,最大的为巩膜部分。因此在灰度直方图中,第一个大峰值的邻域即是瞳孔所在区域。-Function selects the threshold segmentation method to accomplish the pupil location. Based on image gray distribution features, the pupil part of the grey valu
find_narrowest_neck
- 此函数是寻找股骨头颈最短距离,用户首先确定股骨颈大概范围就能自动检测出最短距离-This function is to use for the detection of the narrowest femoral neck. It s very useful in finding the minimum diameter of the femoral medical images.
DFT
- 函数paddedsize可计算P和Q的最小偶数值,PQ则是避免折叠误差的串扰所采用的补零方法。 函数dftfilt是用于频率域滤波的M函数 在house中进行空域滤波与频域滤波的比较 函数dftuv创建用于实现频率域滤波器的网格数组 在number中进行低通滤波 还可基于lpfilter生成高通滤波器。 函数D=hypot(U,V)<=>D=sqrt(U.^2+V.^2)替代 函数f=tofloat(f)<=>f=im2double(f)替代-