-
data2obj_vf
把matlab计算后的数据保存成obj格式的文件,能保存点和点点之间的连接关系,即obj格式的中的v和f(Obj format to save data into files that can save the points and little connection between the relationship that the v in obj format and f)
- 2010-12-23 21:56:32下载
- 积分:1
-
lsb_ebd
will be very useful for those who need code for lsb steganography
- 2012-04-21 15:23:02下载
- 积分:1
-
filter
M=63 J=(M-1)/2 Wp=0.5*pi Ws=0.6*pi
Np=100 Ns=100
weightp=1 weights=100 通带和阻带的加权系数
WpN=linspace(0,Wp,Np)
WsN=linspace(Ws,pi-0.05,Ns)
Wm=[WpN WsN]
p=[ones(1,50),ones(1,50)/2]
d=[p,zeros(1,Ns)]
W=diag([weightp*ones(1,Np),weights*ones(1,Ns)])
C=cos(Wm*[0:J])
Q=diag(cos(Wm*0.5))
g=(W*Q*C)(W*d) g=g
h=(g(J:-1:2)+g(J+1:-1:3))/4
h=[g(J+1)/4 h g(1)*0.5+g(2)/4]
h=[h fliplr(h)] W=linspace(0,pi-0.1,512)
H=freqz(h,1,W)
plot(W/pi,20*log10(abs(H)))
(filter design)
- 2013-05-18 20:47:33下载
- 积分:1
-
Gaussian
This program show the effect of Gaussian filter. The output are four subfigures shown in the same figure:
- 2010-03-06 16:55:57下载
- 积分:1
-
PSD
多于22导位的EEG信号提取及功率谱分析,归一化处理(EEG selection and power spectrum analysis)
- 2011-09-09 09:09:32下载
- 积分:1
-
MFA
边界fisher判别,用于人脸识别,在yale库取得比较好的效果(Boundary fisher discriminant for face recognition, in the library to obtain better results yale)
- 2011-11-30 20:41:21下载
- 积分:1
-
Main_wavelenght
Code in Matlab to find the wave and the radius of fiber.
- 2015-02-13 10:06:03下载
- 积分:1
-
hmmgenerate
由一个隐马尔可夫模型产生一个观测值序列和一个状态序列(Consists of a hidden Markov model to generate a sequence of observations and a state sequence)
- 2014-02-24 23:29:14下载
- 积分:1
-
PCA
主成分分析代码, 可以用于图像压缩等等,也叫PCAH或者KL变换(PCA or K_L transfer)
- 2009-05-12 15:34:33下载
- 积分:1
-
irisFilter
虹膜图像滤波,高斯滤波器,低通滤波器,巴特沃斯滤波器等(Iris image filtering, Gaussian filter, low pass filter, Butterworth filter, etc.)
- 2011-11-13 14:44:07下载
- 积分:1