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图像处理之opencv---mat、cvmat、IplImage之间的转换
一、Mat类型:矩阵类型,Matrix。在openCV中,Mat是一个多维的密集数据数组。可以用来处理向量和矩阵、图像、直方图等等常见的多维数据。Mat有3个重要的方法:1、Mat mat = imread(const String* filename); 读取图像2、imshow(const st...
分类:其他好文   时间:2014-11-21 21:51:26    阅读次数:269
OpenCV Tutorials —— Affine Transformations
仿射变换 Affine Transformation 1,It is any transformation that can be expressed in the form of a matrix multiplication (linear transformation) followed by...
分类:其他好文   时间:2014-11-21 18:03:05    阅读次数:184
BZOJ 2467 中山市选2010 生成树 组合数学
题目大意:给定一个图,图的中心是一个n个点的多边形,每条边都外接一个五边形,求生成树个数 Matrix Tree定理?不会! 观察这个图 5n条边 4n个点 每个五边形都是一个环 必须拆掉一条边 拆掉之后发现4n个点 4n条边 是一个基环树 基环树的环上的边由中心多边形被拆掉的边所在的五边形的剩余边与中心多边形未被拆掉的边构成 容易发现这个环上任意拆掉一条边都会导致某个五边形被拆...
分类:其他好文   时间:2014-11-21 14:23:08    阅读次数:229
1.7 Matrix Zero
Write an algorithm such that if an element in an MxN matrix is 0, itsentire rowand column are set to 0. 1 public static void matrixZero(int[][] matrix...
分类:其他好文   时间:2014-11-21 14:18:07    阅读次数:203
1.6 Image Rotation
Given an image represented by an NxN matrix, where each pixel in the image is4 bytes, write a method to rotate the image by 90 degrees. Can you do thi...
分类:其他好文   时间:2014-11-21 14:01:17    阅读次数:119
[Bhatia.Matrix Analysis.Solutions to Exercises and Problems]ExI.5.6
Let $A$ be a nilpotent operator. Show how to obtain, from aJordan basis for $A$, aJordan basis of $\wedge^2A$.
分类:其他好文   时间:2014-11-21 10:37:06    阅读次数:160
MyTestBlog
Multivariable normal distribution is a positive definite matrix. We can get (assume) Where
分类:其他好文   时间:2014-11-21 10:34:59    阅读次数:157
MyTestBlog
Multivariable normal distribution is a positive definite matrix. We can get (assume) Where
分类:其他好文   时间:2014-11-21 10:31:19    阅读次数:209
Rotate Image
You are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this in-place?C++实现代码:#include#in...
分类:其他好文   时间:2014-11-21 10:28:47    阅读次数:294
[Bhatia.Matrix Analysis.Solutions to Exercises and Problems]ExI.5.3
Let $\scrM$ be a $p$-dimensional subspace of $\scrH$ and $\scrN$ its orthogonal complement. Choosing $j$ vectors from $\scrM$ and $k-j$ vectors from $...
分类:其他好文   时间:2014-11-21 10:24:43    阅读次数:159
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