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fountain codes有关图像处理的matlab的实现。从一个网站上下载下来。对于fountain codes的实现，特别是LT的实现有极大的借鉴意义。

曼彻斯特编解码 Xilinx提供 Verilog代曼曼彻斯特编解码 Xilinx提供 Verilog代码manchester_verilog彻斯特编解码 Xilinx提供 Verilog代码manchester_verilog码manchester_verilog

A 新鲁棒非盲图像水印的方法在本文中。所提出的方法执行通过奇异值分解 （SVD） 改性的复杂小波变换 （CWT） 域图像而连续小波变换提供了更高的容量比实小波域。改性的适当的子带，导致毫不逊色保留质量的水印。拟议的技术的附加好处是其 最常见的攻击的鲁棒性。分析和实验结果表明多改进的性能与纯方法的基于奇异值分解的混合方法 （例如 DWT-SVD 为近年最好基于奇异值分解计划）。

国密SM2、SM3、SM4算法源码，有从事银行安全方面的朋友或者对国密算法感兴趣的朋友可以下载研究一下。

基于模板的圆检测算法,很好的程序,看了都说不错-based on the template circle detection algorithms, good procedures, said good read

Cantilever simulations in COMSOL Multiphysics

双色球算法。-Loans algorithm.

应用背景JPHide 和JPSeek 的源代码！JPHide&JPSeek是一个JPEG图像的信息隐藏软件！-JPHide and JPSeek source code! JPHide & JPSeek is a JPEG image information hidden software!关键技术JPHIDE and JPSEEK are programs which allow you to hide a file in a jpeg visual image. There are lots of versions of similar programs available on the internet but JPHIDE and JPSEEK are rather special. The design objective was not simply to hide a file but rather to do this in such a way that it is impossible to prove that the host file contains a hidden file. Given a typical visual image, a low insertion rate (under 5%) and the absence of the original file, it is not possible to conclude with any worthwhile certainty that the host file contains inserted data. As the insertion percentage increases the statistical nature of the jpeg coefficients differs from "normal" to the extent that it raises suspicion. Above 15% the e

是一个读取segy的程序。需要一个输入的par文件来描述观测系统。结果输入为地震数据。

练习程序，问题如下：进行高精度整数的加、减、乘运算。输入两个十进制大整数M和N（M、N最长可达50位），计算运算结果并输出。【输入形式】标准输入上依次分行输入以下内容：1.第一行输入第一个大整数M。M可能带有负号，后面是最长可达50位的数字序列。2.第二行只有一个字符，可以是“+”、“-”、“*”，分别代表加、减、乘三种运算符。3. 第三行输入大整数N，格式与M相同M、N均不带有前缀的多余的0【输出形式】在标准输出上打印运算结果，输出一行字符序列，是大整数M和N和运算结果。如果该运算结果是正数，则直接输出各位数字序列；如果是负数，则首先要输出负号。各位数字紧密输出，不带有前缀的多余的0。-practice procedures, as follows : high-precision integer for the addition, subtraction, multiplication. The importation of two decimal integer big M and N (M, N up to a maximum of 50), the calculated results of operations and output. Entry forms : standard input on the importation of branches were the following : 1. The first line inputs, a large integer M. M may have negative, is back up to 50 digital sequence. 2. Only a second line of characters could be "","-","*", respectively, plus or minus, by three operators. 3. The third line inputs large integer N, M and the same format M, N are not redundant with the prefix 0 output-- in the form of print on standard out