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dcthide
dct隐写技术matlab实现资料。算法原理:通过在一个图像块中调整两个DCT系数的相对大小,隐藏秘密信息。
将载体图像分为8×8的块,做二维DCT变换
用来表示选中的两个系数的坐标对于第i bit秘密信息
if(要隐藏信息‘1’)
make
else
make
逆DCT变换,还原图像
(dct steganography matlab implementation information. Algorithm principle: an image block by adjusting the relative size of the two DCT coefficients, hidden secret information. The vector image is divided into 88 blocks, making two-dimensional DCT transform coefficients used to represent the coordinates of the selected two for the first i bit secret information if (to hide information ' 1 ' ) make else make the inverse DCT, restore image)
- 2013-11-01 19:47:13下载
- 积分:1
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findPointNormals
基于kd-tree搜索算法,利用局部邻域的平面拟合,检测三维点云数据的法线方向( Estimates the normals of a sparse set of n 3d points by using a set of the closest neighbours to approximate a plane.)
- 2020-11-06 19:29:49下载
- 积分:1
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xitongbianshi
这是一个用系统模型辨识用的PSO程序,它主要是用于系统的参数未知时,此时比较方便.(This is a used system model identification procedures used in PSO, it is mainly used for systems with unknown parameters, the more convenient at this time.)
- 2007-12-10 16:02:28下载
- 积分:1
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High-power-double--lasers-Simulation
高功率双包层光纤激光器及仿真,端面抽运的掺Yb双包层光纤激光器的基本理论及其仿真(High power double clad fiber lasers and simulation, end-pumped Yb-doped double-clad fiber lasers basic theory and simulation)
- 2013-08-27 09:47:37下载
- 积分:1
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VNOIsolution
VNOI code
minion.pas
nguoi_giao_hang.pas
robot_leo_cot.pas
Max_square.pas
Max_square_rectangular.pá
- 2014-10-08 16:10:26下载
- 积分:1
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z3
说明: 两层前馈网络,采用Hebb算法,实现机组协调控制(Two-tier feed-forward networks, Hebb algorithm used to achieve coordinated control)
- 2009-07-12 21:20:32下载
- 积分:1
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rsa
非线性材料反饱和吸收理论拟合,可以给出材料的非线性吸收Z扫描曲线(theoretical fit to reverse saturable absorption)
- 2012-03-23 11:21:04下载
- 积分:1
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floyd
利用MATLAB实现Floyd算法,可对输入的邻接距离矩阵计算图中任意两点间的最短距离矩阵和路由矩阵,且能查询任意两点间的最短距离和路由。(Floyd algorithm using MATLAB realize, can be routed to the shortest distance adjacency matrix and the distance matrix calculation map between any two points in the input matrix, and can query the shortest distance and route between any two points.)
- 2014-10-23 19:19:23下载
- 积分:1
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polsarpro-api
说明: sar polsarpro matlab
- 2020-04-08 13:13:12下载
- 积分:1
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LaplaceGaussianPyramid
运用拉普拉斯高斯金字塔方法进行景象匹配,实验证明该法能满足实时性和准确性.(The use of Gaussian Laplacian pyramid scene matching methods, experimental proof of the Act can satisfy the real-time performance and accuracy.)
- 2009-03-24 09:52:52下载
- 积分:1