搜索资源列表
contourlet_toolbox.tar
- 这是一个contourlet工具箱，用来对contourlet变换进行了解和应用-Contourlet toolbox: a MATLAB toolbox for computing the contourlet transform and its applications. The contourlet transform is described in: The contourlet transform: an efficient directional multiresolution im
minh.n.do
- Contourlet变换提出者Minh.ndo结合论文的Matlab实现源码，可以给从事多尺度图像处理人做一个很好的参考-Contourlet Toolbox (Windows download format also available on MATLAB Central): MATLAB source code that implements the contourlet transform and its utility functions. See paper The contourl
matlab
- matlab switch lower(type) case uniform R=a+b*randn(M,N) case uniform R= a+(b - a)*rand(M,N- switch lower(type) case uniform R=a+b*randn(M,N) case uniform R= a+(b- a)*rand(M,N
pp
- 主元分析 (Principal Component Analysis, PCA) 又叫：Karhunen-Loeve变换 (KLT)、Hotelling变换。 假设已经从图象已经缩放为N*M大小。 m幅N*M大小的图象Xi作为n*1列向量看待-PCA (Principal Component Analysis, PCA) also known as: Karhunen-Loeve Transform (KLT), Hotelling transform.
LRG61
- 程序用来消除周期性噪声干扰信号。要求在图像频域中设计一Butterworth陷波器，其阶数n和陷波器半径D0由理论知识通过自己的探索得出，理解二者对滤波器性能的影响。-Procedures used to eliminate the periodic noise signal. Request images to design a Butterworth frequency domain notch filter, and its order n and the radius of notch
AAFFT
- 数字信号处理中经典的FFT算法实现，对理解信号处理帮助很大-A Fast Fourier Transform [FFT] method for frequency sparse functions. Recovers the k most energetic frequencies hidden in a bandwidth-N function in k*polylog[N] time.
2
- 对图像中干扰信号的滤除 H=fspecial( average ,n) 均值滤波器 -Image signal interference filter H=fspecial( average ,n) Mean Filter
hpfilter
- 这不是一个标准MATLAB的函数 H = hpfilter （类型，男，氮， D0 ， n ）的创建传递函数的高通滤波器，氢，指定的类型和大小MxN 。可能的值类型， D0和N是： 理想 理想高通滤波器的截止频率D0 。 Ifsupplied ， n是被忽略。 btw 巴特沃思高通滤波器 n阶和截止D0 。 gaussn 高斯高通滤波器的截止（标准偏差） D0 。 如果提供，正被忽略。 M和N应该是偶数的密度泛函过滤。-THIS IS NOT A STANDARD MATL
Extending_Anisotropic_Operators_to_Recover_Smooth_
- 采用各向异性方法 填补一个缺损的轮廓，从而可以得到一个光滑完整的轮廓。- Completed contours correspond to ridges of an extension (ext) of the characteristic function of the uncompleted curve. Anisotropic extension is performed on the characteristic function fbound of an image set
ncc
- The normalized cross correlation (NCC) implemented in C++ and Matlab
IMJPEG
- n×n子块的DTC图像变换及频谱特点。 熟悉JPEG基本系统的图像编解码方法。-n × n sub-block of the DTC and the spectrum characteristics of the image transformation. Familiar with the basic system of JPEG image codec method.
NoiseGenerator
- 本实验要求根据课本中给出的高斯噪声和椒盐噪声的概率分布的形状和参数编写两个通用程序分别给一个图像中添加高斯噪声和椒盐噪声。高斯噪声是n维分布都服从高斯分布的噪声，椒盐噪声是图像中经常见到的一种噪声是一种随机的黑点或者白点。在实验中通过它们对应的概率密度函数得到噪声分布函数进而与原图像进行叠加产生出对应的噪声图像-Textbooks in this experiment are given under the Gaussian noise and salt and pepper noise in
zoom
- 简单的图像缩放程序 先读入图像矩阵A zoom（A,n），n为缩放倍数-Simple image scaling procedure to read into the image matrix A zoom (A, n), n for the scaling multiplier
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
pinyupinghua
- 包含巴特沃斯低通滤波器去噪，图像平滑 阶数M=3 截断频率D0=40，指数低通滤波器 阶数N=3 截断频率d0=40，理想低通滤波器 梯形低通滤波器 截断半径35-50-Butterworth low-pass filter with de-noising, image smoothing order of M = 3 truncation frequency D0 = 40, index of low-pass filter order of N = 3 truncation frequenc
Hurst
- 该函数用于计算不规则几何图形的分形特征：Hurst指数。其中input为一个N行3列的矩阵，s为度量步长，可以取1，2，3，4等。输出output就是Hurst指数-This function is used to calculate the irregular geometry of the fractal characteristics: Hurst index. Output of output is the Hurst index of
wavecompression
- The following implementation steps have been made for the devised algorithm, which is based on 2D-wavelet. 1. Reading an image of either gray scale or RGB image. 2. Converting the image into grayscale if the image is RGB. 3. Decomposition of im
hw2
- 1.对一个256*256的图像进行DCT变换得到图像D，将D得斜下角数值置为零，然后进行DCT反变换. 2.对源图像进行K-L转换 1和2比较-1.Get a grey level image which size is N*N. (For example, 256*256, however, N = ), and partition to 8*8 sub images. 2.. Apply DCT to these sub images, and get the transfo
FCM
- 实现了模糊聚类算法，能将N个样本分成C类（1《C《N）-Fuzzy C-means Clustering
MATLAB短学期
- 绘制n次Bezier曲线，P是平面或空间的点列，称为控制顶点。(Draw n times Bezier curve)