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two_dimensional_PSD
二维功率谱密度计算程序 使用傅里叶变换 (2D PSD caculation estimator)
- 2020-10-07 18:37:37下载
- 积分:1
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gabor_basic
说明: Gabor变换用于提取图像不同角度和尺度的信息,角度和尺度可以变换。(Gabor transform to extract the image information of different angles and scales, angle and scale may be changed.)
- 2010-03-18 14:10:15下载
- 积分:1
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HHT_Matlab_Functions
PPT,关于matlab实现著名的希尔伯特黄变换算法,介绍了HHT算法的基础知识(HHT basic information in matlab)
- 2012-03-29 23:31:33下载
- 积分:1
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dct
M=512 原图像长度
N=64
K=8
I=zeros(M,M)
J=zeros(N,N)
BLOCK=zeros(K,K)
显示原图像
I=imread( f:ceshiyuanshitu.bmp )
figure
imshow(I)
xlabel( 原始图像 )
显示水印图像
J=imread( f:ceshilogistic_nuaa64.bmp )
figure
imshow(J)
xlabel( 水印图像 )
嵌入水印
tem=1
for p=1:N
for q=1:N
x=(p-1)*K+1
y=(q-1)*K+1
BLOCK=I(x:x+K-1,y:y+K-1)
BLOCK=dct2(BLOCK)
if J(p,q)==0
a=-1
else
a=1
end
BLOCK(2,1)=BLOCK(2,1)*(1+a*0.01)
BLOCK=idct2(BLOCK)
I(x:x+K-1,y:y+K-1)=BLOCK
end
end
显示嵌入水印后的图像
figure
imshow(I)
xlabel( 嵌入水印后的图像 )
imwrite(I, f:ceshiembedded.bmp )
- 2010-06-13 18:43:39下载
- 积分:1
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Watermarking
this program water mark a sound in picture with GUI based on haar transfrom
- 2013-08-25 17:05:37下载
- 积分:1
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01
说明: 都市供求信息网分为前、后台两部分设计,前台主要实现信息的显示、搜索与发布功能,其中信息的显示包括列表显示与详细内容显示,而列表显示,又分为首页信息列表显示、查看某类别下所有信息的列表显示和搜索结果列表显示;搜索功能主要包括定位搜索和模糊搜索。后台主要实现的功能为信息显示、信息审核、信息删除、付费设置与退出登录,其中的信息显示功能也分为列表显示与详细内容显示。(Supply and demand information network before the city divided into two parts design background, foreground main achievement of the display, search and publishing of information, which displays information including a list of displays and display details, but the list is displayed, the information is divided into the Home display list, see Under a category displays a list of all the information and the search results list displays Search functions include positioning search and fuzzy search. The main function of the background information display, information auditing, information deleted, pay setting and exit the registry, which is also divided into the information display function displays detailed contents list display.)
- 2013-12-23 22:11:27下载
- 积分:1
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Kalman_fiter
包括,kalman一步预测代码,kalman滤波器,以及kalman平滑等几个源代码。希望大家有用。(Including, kalman step prediction code, kalman filter, kalman smoothing, as well as several source code. I hope everyone useful.)
- 2007-10-02 19:40:01下载
- 积分:1
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SameDistance
以往数据点多的时候 联合开发网 - pudn.com
- 2009-03-31 02:02:24下载
- 积分:1
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ofdmfangzhen
用matalb进行ofdm的仿真,这个程序可以运行,简单明了(matalb used for the ofdm simulation, the process can run simple and clear)
- 2007-06-04 19:40:53下载
- 积分:1
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GraphSeg
this program for efficient graph based image segmentation
- 2010-08-24 12:07:09下载
- 积分:1