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Description: php watermark 水印图片，我们的项目正在用，支持中文-php watermark watermark images, the project is being used to support Chinese
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Size: 35840 |
Author: wushihu |
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Description: MTK6319手册,无密码无水印版,很有参考价值！-MTK6319 manuals, no password-free version watermark, a good reference!
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Size: 437248 |
Author: liuppd |
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Description: 这是一本论文集，包含了一些最常用的音频水印方案，对于做水印的同学、同仁有较好的借鉴意义-This is an essay, contains some of the most common audio watermarking scheme, the watermark for the do students better learn the meaning colleagues
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Size: 10427392 |
Author: 冯超 |
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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
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Size: 19456 |
Author: sylvia |
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Description: 基于虚拟光学信息隐藏理论提出了一种三维空间数字水印算法1 该数字水印算法能成为
一种多媒体数据产权保护的有效方案1 对算法的测试结果表明,该算法对于噪音叠加、剪切、旋转、
有损压缩等常见的图像处理操作具有较高的鲁棒性1 由于引入了虚拟光学信息隐藏思想,将虚拟
光路的几何结构参数作为密钥,设计出了多重“锁”和多重“密钥”1 随机模板编码技术的引入,更进
一步提高了数字水印系统的密钥空间. 仿真实验结果表明该算法具有很好的安全性1- A new approach to digital watermarking in three2dimensional (32D) space based on virt ual2optics
and random mask encoding is presented. The watermarking algorithm can offer an effective solution to t he
issue of copyright protection of multimedia data dist ributed via t he communication channel . The result s
show t hat t he embedded watermark is robust to normal data manip ulations , such as adding noise ,
cropping , rotation , and J PEG compression. Because t he design concept and met hodology based on
geomet ric parameter s of Virt ual2Optics was adopted , t he proposed 32D watermarking system has good
security. There are large degrees of f reedom existing for designing a security lock ( s)/key ( s) , including
multiple lock ( s)/key ( s) and multi2dimensional lock ( s)/key ( s) . Numerical experiment s are performed to
validate the p roposed met hod , and sensitivities of some parameter s are quantitatively analyzed and
illust rated. The possible dimensions of keys are ro
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Size: 179200 |
Author: zhh |
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Description:
基于GAE的网络相册,支持外链,水印,防盗链等功能。
用GAEPhotos建立你自己的网络相册:
创建 GAE Python HRD 程序, HRD 是必须的.
从 http://code.google.com/p/gaephotos/downloads/list 下载最新版本的GAEPhotos.
解压到本地目录.
更改 app.yaml 文件的第一行:
application: gaephotos2
改成 application: xxxxxx
xxxxxx 是你的GAE app id.
运行 update.bat. (确认 appcfg.py 在你的系统Path)-Based on the GAE web albums, support chain, watermark, anti-theft chain etc..
Build your own web albums by GAEPhotos:
Create a GAE Python HRD program, HRD is a must.
Download the latest version of http://code.google.com/p/gaephotos/downloads/list from GAEPhotos.
To extract the local directory.
The first line to change the app.yaml file:
Application: gaephotos2
Change the application: xxxxxx
XXXXXX is your GAE app ID.
Run update.bat. ( confirmation of appcfg.py in your system s Path )
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Size: 150528 |
Author: SDVADWM |
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Description: 这款图床程序，有自动匹配图片相对大小(不压缩图片，代码调整大小)、自动生成图片嵌入代码等等功能，亮点自然是支持自由位置的添加水印。
支持对水印的自定义，页面中水印的默认位置或者是否添加都有相应的设置参数可以调整。水印支持 PNG 透明图片添加，但是不支持动态 GIF 的水印添加。
图片代码自动生成，wordpress 系统因为主题的不同，其实生成的图片代码也是不一样的，这样就造成了很多代码的冗余，久而久之就会造成数据库不必要的庞大，自动生成的 HTML 代码是最简单的，并且已经填好了 Alt 等等详细的信息，图片区域的 Class 可以通过设置参数自定义。
图片相对自适应缩放功能。假设您的文章区域是 600px 但是我们却上传了一个 1000px 的图片，毫无疑问，这张图片在宽度上是会有溢出的，但是我们通过后台的设置参数设置之后，这张 1000px 的图片就会在生成代码的时候，从代码当中调整图片的相对长和宽，从而使图片刚刚匹配文章区域，但是图片仍然是 1000px 的，并且也不会有什么压缩和生成缩略图。程序的橙色框框的宽度，就是后台设置的宽度，十分直白。-This type of diagram bed procedure, have automatic matching image relative size (not compressed images, the code size), automatic generation picture embedded code, etc, window nature is support free position add watermark.
Support to watermark custom, page watermark default position or whether to add has a corresponding setting parameters can be adjusted. Watermark support PNG transparent images to add, but does not support dynamic GIF watermark add.
Picture code automatically generate, wordpress system because of the different theme, actually generated image code is not the same, this caused a lot of code of redundancy, as time passes can cause unnecessary huge database, automatically generating HTML code is the most simple and have fill out the Alt and so on detailed information, pictures area Class by setting parameters can be custom.
Picture relative adaptive zoom function. Suppose your article area is 600 px but we have upload a 1000 px picture, there is no doubt that this p
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Size: 17408 |
Author: dasgdko |
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Description: 这段程序是，J（p，q）代表的二值水印图像，二值水印图像的像素值只有0和1，所以if J（p，q）==0，a=-1 ，是如果水印图像像素值是0的话，让a=-1，当水印像素值为1的话，让a=1，我个人认为是为了提取时候好提取-DCT digital watermark embedding and extraction of
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Size: 1024 |
Author: 王思 |
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