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PAPER5
MODEL BASED ALGORITHM FOR SINGULAR POINT DETECTION
- 2011-12-18 12:09:54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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xiaotaobaobao.matlab
matlab百例.相信一定有你需要的.大家放心进来(Matlab 100 cases. I believe we have your needs. Come look at the rest assured)
- 2007-04-20 19:41:59下载
- 积分:1
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Untitled
EEG信号多分辨率分析,可以用改文件对EEG信号进行小波处理,即过滤去噪等。(EEG signals analysis)
- 2011-09-09 21:17:03下载
- 积分:1
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Gauss
这是一篇关于高斯伪谱法的源代码,具有很好的指导意义(This is a Gaussian pseudo-spectral method on the source code, with a good guide)
- 2013-11-28 21:09:48下载
- 积分:1
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STDL80
Leonardo综合器用STDL80 0.5um综合库,安装见说明,找到它真不容易。(STDL80 0.5um ASIC Library for Leonardo)
- 2015-03-14 10:29:12下载
- 积分:1
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music
自己编写的music算法程序,注释很详细,很容易理解。(I have written music algorithm program, notes in great detail, it is easy to understand.)
- 2015-03-17 13:00:07下载
- 积分:1
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Untitled4
FIR数字滤波器设计,编制计算设计的数字滤波器幅度特性和相位特性的程序,并进行实验验证。(FIR digital filter design, preparation of computational design of digital filter amplitude and phase characteristics of the program, and experimental verification.)
- 2015-04-16 10:24:07下载
- 积分:1
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61i_atan_cordic_v2_0_vhdl_ise
my_atan_cordic.xco - Core parameter file
my_atan_cordic.vho - Core VHDL instantiation template
my_atan_cordic.vhd - Core VHDL simulation file (only for simulation)
my_atan_cordic.edn - Core EIDF netlist (only for implementation)
x_in_cos.dat - input data for the simulation (only for simulation)
y_in_cos.dat - input data for the simulation (only for simulation)
cordic_functional.do - ModelSim do file for functional simulation
cordic_timing.do - ModelSim do file for timing simulation
design_top.ucf - contrsaints file (only for implementation)
design_top.vhd - VHDL toplevel
design_top_tb.vhd - VHDL testbench
- 2010-06-03 19:51:01下载
- 积分:1
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way
matlab function extension
- 2009-09-20 19:54:35下载
- 积分:1