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MeFrm
说明: 傅立叶变换在图像处理中的重要作用:
(A) 图像增强与图像去噪
绝大部分噪音都是图像的高频分量,通过低通滤波器来滤除高频噪声;边缘也是图像的高频分量,可以通过添加高频分量来增强原始图像的边缘;
(B) 图像分割与边缘检测
提取图像高频分量
(C) 图像特征提取
形状特征:傅里叶描述子
纹理特征:直接通过傅里叶系数来计算纹理特征
其他特征:将提取的特征值进行傅里叶变换来使特征具有平移、伸缩、旋转不变性
(D ) 图像压缩
可以直接通过傅里叶系数来压缩数据;常用的离散余弦变换是傅立叶变换的实变换;
(Fourier transform in the important role of image processing:
(A) image enhancement and image denoising
Most of all images of high frequency noise by low pass filter to filter out high frequency noise edge is the image of the high frequency components can be enhanced by adding high frequency components to the edge of the original image
(B) Image segmentation and edge detection
High frequency components extracted image
(C) image feature extraction
Shape features: Fourier descriptors
Texture: directly through the Fourier coefficients to calculate the texture features
Other features: The characteristic value extracted by Fourier transform to the characteristics of translation, scaling, rotation invariance
(D) image compression
Fourier coefficients can be directly compressed data commonly used discrete cosine transform is the Fourier transform of the real transformation
朗读显示对应的拉丁字符的拼音)
- 2011-03-28 19:06:27下载
- 积分:1
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ksdensity
自行设计的概率密度函数统计方法,代替ksdensity函数(Probability density function of self-designed statistical methods, instead of ksdensity function)
- 2021-02-02 15:40:00下载
- 积分:1
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Choen-Sutherland
Choen-Sutherland算法裁剪线段 计算机图形学中使用Choen-Sutherland算法进行图形多边形裁剪,并用MFC实现(Choen-Sutherland )
- 2010-11-20 18:43:09下载
- 积分:1
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Criminisi-original-gray
原始的criminisi灰度图像修复算法及实验图片(Original Criminisi grayscale image restoration algorithm and experimental images)
- 2013-05-10 10:01:35下载
- 积分:1
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tuxingxue
画矩形的代码,包含各种算法,具体的自己看吧,这是图形处理的作业之一(Draw a rectangle of the code, contains a variety of algorithms, specifically for yourself, this is one of the graphics processing jobs)
- 2013-09-26 14:42:11下载
- 积分:1
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Open02
一个简单的图像浏览器,对初学C++开发图像处理系统的朋友有启迪作用。(A simple image viewer, for beginners C++ image processing system developed friends revealing.
)
- 2011-11-16 15:51:17下载
- 积分:1
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vcpicph
VC++图像平滑处理+程序源码,实现图象的平滑(去噪声),锐化功能,测试时请在C盘下放一个测试用的Bmp图片,路径:C: est.bmp,没有的话没法测试。如上图所示是水平平滑处理,可以对比下,不过感觉颜色失真了,有兴趣的看一下。命令行编译过程如下:
vcvars32
rc bmp.rc
cl smooth.c bmp.res user32.lib gdi32.lib(VC++ image smoothing+ program source code, to achieve a smooth image (to noise), sharpening function in the C drive when testing a test of decentralization Bmp picture, path: C: test.bmp, no words can not test . Is shown above the level of smoothing, you can compare the next, but the feeling of color distortion, interested look. Command-line compiler as follows: vcvars32 rc bmp.rc cl smooth.c bmp.res user32.lib gdi32.lib)
- 2014-02-18 15:30:52下载
- 积分:1
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reconsitution
说明: 使用PCA将数据集降维,降维后将特征脸还原(Use PCA to reduce the dimension of the data set, reduce the feature face after dimension reduction)
- 2019-11-21 11:53:10下载
- 积分:1
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opticalflow
这个程序实现了光流法对运动物体的识别,效果还行(This program implements the optical flow method to identify moving objects, the results were OK)
- 2010-12-22 16:44:16下载
- 积分:1
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tfrpwv
实现一个信号的WVD变换,针对的信号是非平稳的随机信号(To achieve a WVD transformation of a signal, the signal is a non-stationary random signal.)
- 2018-04-02 16:37:20下载
- 积分:1