Description: 本书收集了当前国内几本比较流行的数据结构算法书中的算法，在Visual C++6.0平台上将其编写成可以直接运行的程序。对有些算法，还给出了多种程序设计方案实现，以迅速提高程序员的算法与程序设计能力。
本书遵循数据结构算法书中的体系，将全书分为九章对应之，以便阅读。它们是：顺序存储结构的表、堆栈和队列，链式存储结构的表、堆栈和队列，数组、串和广义表，递归，树和二叉树，图，排序，查找，文件。本书的光盘中含有108个完整的程序源代码、可执行文件。本书适合于想要通过编程实例学习数据结构的C++程序员，也可以作为高校师生学习计算机编程与数据结构的参考书，尤其适合报考计算机软件专业研究生的人员与参加信息奥赛班学习的人员参考。
-This book has collected some of the more popular current internal data structure algorithm algorithms book, the Visual C++6.0 platform will be written into their direct running. For some algorithms, also gives the design to achieve a variety of procedures to quickly improve the programmer s algorithms and programming skills.
This book follows the book s system data structure algorithms, the book is divided into nine chapters corresponding to read. They are: the order of the storage structure of tables, stacks and queues, linked storage structure of the tables, stacks and queues, arrays, strings and generalized form, recursive, tree and binary tree, graph, sort, search, document. Book, CD-ROM contains 108 full source code, executable file. Book for instance you want to learn data structures by programming the C++ programmers can also serve as college teachers and students to learn computer programming and data structures of reference, especially for graduate students registered for co Platform: |
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Author:wyk |
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Description: 该目录包含了基于可移植的C语言的数字水印算法的代码。这些代码具有示范
性的意义，且有一定的鲁棒性。
需要安装NetPGM的程序包（用来存取pgm格式图像），然后才能在linux下面编译。
NetPGM是图像文件的输入/输出软件包。可以在网上搜索得到。我们已经对
256灰度级，512×512大小的图像进行了测试。程序编译后的调用格式如下（以encode为例）：
wm_cox_e -s cox.sig -o wm_image.pgm image.pgm
其中，-s表示要添加的水印信号，cox.sig是信号文件。
-o表示输出图像文件名为wm_image.pgm，
image.pgm为输入文件名。
几个辅助程序：
cmp_pgm 计算差分图像，PSNR等
cmp_dct 计算全帧DCT域的差分图像
cmp_dct8x8 计算8×8大小的DCT域差分图像
比如说，为了产生两个PGM图像的差分图像并计算它们的PSNR，命令如下：
cmp_pgm -p -i original.pgm -o diff.pgm watermarked.pgm
产生水印信号：
gen_cox_sig -o cox.sig
程序将产生适合512×512大小，8-bit灰度的pgm图像的水印信号。
水印提取：
wm_cox_d -s cox.sig -i lena.pgm -o cox.wm cox_lena.pgm
请注意，cox的算法需要原始图像做参考来提取水印，压缩后的水印将存储在cox.wm中。-This directory contains the C-based portable digital watermarking algorithm code. The code has a demonstration
Of meaning, and there is a certain degree of robustness.
NetPGM need to install the package (to access the pgm format images), and then to compile in linux below.
NetPGM is the image file input/output package. Can search by. We have already
256 gray level, 512 × 512 size images were tested.
Procedure call format, compiled as follows (in encode an example):
wm_cox_e-s cox.sig-o wm_image.pgm image.pgm
Which,-s that you want to add the watermark signal, cox.sig is the signal file.
-O said output image file name wm_image.pgm,
image.pgm for the input file name.
Several auxiliary programs:
cmp_pgm calculate the difference image, PSNR, etc.
cmp_dct full frame DCT domain calculation of difference image
cmp_dct8x8 calculate the size of 8 × 8 DCT domain differential image
For example, in order to produce two PGM images and calculate their differ Platform: |
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Author:sylvia |
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Search - C code for full search algorithm