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Affine Transformation02
- The transformation parameters are specified by the user by editing the values of the rotation, scale (x and y), and shear (x and y). The translation is not icluded because it can be easily (normalized or) removed from the image by subtracting t
read_yuv
- 自己写的用matlab读取YUV文件,并分帧保存.生成一个N维矩阵(N是总帧数),一维就是一帧的数据. Y U V分别保存.-wrote it myself using Matlab YUV read documents, preservation and framing. Generating an N-dimensional matrix (N is the total frame count). is a one-dimensional data. Y U V were preserv
OpenCV_face_detector
- This zip file contains source code and windows executables for carrying out face detection on a gray scale image. The code implements Viola-Jones adaboosted algorithm for face detection by providing a mex implementation of OpenCV s face detector. Ins
Affine-Transformation
- AffineTransformation computes and applies the geometric affine transformation to a 2-D image. The program main functions are: - Load Image: Load the image to be transformed. - Transform Image: Computes the transformation matrix from the transfo
CircleFitByPratt
- Input: XY(n,2) is the array of coordinates of n points x(i)=XY(i,1), y(i)=XY(i,2) Output: Par = [a b R] is the fitting circle: center (a,b) and radius R Note: this fit does not use built-in matrix functions (except "mean"), so it can be
yuvload
- Loading YUV CIF file to create Y U V matrix.And have CIF download web.
TwoDimensionalFastFourierTransform
- 本实验要求开发一个2-D FFT程序包，使其可以应用于后续的几个实验。这个程序需要完成的功能是用因子（-1）^(x+y)乘以输入图像以实现滤波的中心变换，并还要求用一个实矩阵乘以一个复数矩阵通过调用两个图像的乘法程序来实现对应元素的相乘，同时计算反傅立叶变换，得到的结果乘以（-1）^(x+y)并取其实部最后计算频谱。实验中用到傅立叶变换的基本公式，通过实验我们可以更加深刻的理解频域滤波的基础。-The experiment calls for the development of a 2-D F
rigid_motion
- 刚性位置变化计算，输入物体在空间坐标系中的坐标，以及旋转向量和平移向量，计算其在摄像机坐标系中的坐标。- [Y,dYdom,dYdT] = rigid_motion(X,om,T) Computes the rigid motion transformation Y = R*X+T, where R = rodrigues(om). INPUT: X: 3D structure in the world coordinate frame (3xN matrix for
CreateCustomColor
- 展示如何繪製關聯的彩色地圖矩陣指數Y數據的彩條。在某些圖形應用程序，你可能要直接映射對象，根據給定的顏色數據的表面顏色。在這告訴你如何創建自定義顏色底紋。-Create a Custom Color Shading in C# In my previous article (for more info, please visit www.publishing.unicadinc.com), I have shown you how to draw color bars by associat
2-DFFT
- 该实验的目的是开发一个 2-D FFT程序包。要求程序能完成下面的功能: (a) 用因子 (-1)x+y 乘以输入图像，以实现滤波的中心化变换； (b) 用一个实矩阵乘以一个复数矩阵，即用实矩阵中的元素同时乘以复数矩阵对应位置上的复数的实部与虚部。 可以通过调用两个图像的乘法程序来实现对应元素的相乘； (c) 计算反付立叶变换； (d) 结果乘以 (-1)x+y ，并取其实部； (e) 计算频谱。 -The purpose of this ex
cgsolve(1)
- 共轭梯度下降法，Ax = y,求x.矩阵A为共轭对称稀疏矩阵,cgsolve matlab 程序-Conjugate gradient descent method, Ax = y, seeking x. Matrix A is conjugate symmetric sparse matrix, cgsolve matlab program
picture--chasing
- 背景建模和前景分割的方式把运动车辆提取出来。并进行最近临关联，输出目标轨迹。 MeanShift运动目标跟踪 matlab程序 1.截取跟踪目标矩阵rect 2.求取跟踪目标的加权直方图hist1 3.读取视频序列中的一帧， 先随机取一块与rect等大的矩形，计算加权直方图hist2。 4.计算两者比重函数，如果后者差距过大， 更新新的矩阵中心Y，进行迭代（MeanShift是一种变步长可以迅速接近概率密度峰值的方法），直至一定条件后停止。
qingxiejiaozheng
- 从原四边形四个点和新矩形四个点得到一个变换矩阵，根据这个矩阵再作用到全局图像就可以.因为Matlab细节的原因，我把公式中x和y位置互换了-A transformation matrix according to this matrix is applied to the global image. Because Matlab detail reason, swap x and y position of the formula I obtained from th
MeanShift-matlab
- MeanShift运动目标跟踪 matlab程序 思路： 1.截取跟踪目标矩阵rect 2.求取跟踪目标的加权直方图hist1 3.读取视频序列中的一帧， 先随机取一块与rect等大的矩形，计算加权直方图hist2。 4.计算两者比重函数，如果后者差距过大， 更新新的矩阵中心Y，进行迭代（MeanShift是一种变步长可以迅速接近概率密度峰值的方法），直至一定条件后停止。 -MeanShift moving target tracking matlab program
Matlab-graphics-classic-case
- matlab经典绘图案例。包括三维曲面z=x^2+y^2的动画、正弦曲线的动画、切片图、向量图、三维彗星图、三角形网格图、三角形表面图、球面、等值线图、三维瀑布图、三维火柴杆图、三维散点图、柱形图、三维条形图、三维饼图、带形图、曲线图、高斯分布函数的曲面图、高斯分布函数的网格图、5阶高斯分布矩阵、梯度场矢量图、罗盘图、玫瑰花图、羽列图、数据向量的单轴对数坐标图、矩阵的条形图 矩阵的面积图、二维饼图、散点图、误差图、火柴杆图和碗状曲面图等等。 -Drawing matlab classic
plywrite
- 将三维三角网格数据存为ply格式文件，输入参数为三维数据x,y,z坐标，色彩信息，三角网格下标矩阵-The data is saved in the three-dimensional triangular mesh ply format, input parameters for the three-dimensional data x, y, z coordinates, color information, the subscr ipt matrix triangular mesh
Desktop
- A.2 Open Image Files This function looks for x-ray images (.tif) in directory ‘dname’ and creates a movie of I(q) versus q and saves the corresponding 3D matrix. ‘TempA’ and ‘TempB’ are the slope and y-intercept of the ramp temperature profi
test
- 绘制二维密度散点图，根据x，y的最大最小值将坐标分成若干小格，然后统计落在每个小格里的点数，最后形成的就是一个矩阵，然后直接出图-Drawing two-dimensional density scatter plot, according to the x, y minimum and maximum values of the coordinates into a number of small cells, then every little statistic
relative-offset
- 仿真出两矢量x(M=30), y(N=28)，给出变换矩阵H，并计算验证相关抵消后是否有 e 垂直于y，-Simulation of the two vectors x (M = 30), y is there (N = 28), gives the transformation matrix H, and calculate the correlation offset verify after e is perpendicular to y,
matrix-completion-via-threshloding
- Matrix Completion via Iterated Thresholding min nuclear-norm(X) subject to ||y - M(X)||_2<e-Matrix Completion via Iterated Thresholding min nuclear-norm(X) subject to ||y- M(X)||_2<err