digital watermarking

Realization of digital watermarking tool based on C # SummaryBased on the image provided by C #, it is easy to realize digital watermarking; here is a way to make a release tool. Photo AddUsing C # 's FolderBrowserDialog class, you can easily read image files. This article is based on a directory to add photos, so the

When you need to upload images to a regular website, you often need to add the LOGO watermark of your website to the image. So how to implement this step? First, let's take a look at the principles of adding watermarks to PHP images. Create an image by determining the file type, copy it to the original image, fill it with and create a rectangle for writing it into imagestring (), or determine the watermark type in the original image program: one is a string, and the other is to add a graphic obj

. remove the number before the line "extension = php_gd2.dll" in the PHP. ini file because the GD library is used; 2. change extension_dir = to the directory where your php_gd2.dll is located; 3. http://www.jb51.net/list/list_15_1.htm PHP image watermarking code example: The code is as follows: // Upload file type list$ Uptypes = array ('Image/jpg ','Image/jpeg ','Image/png ','Image/pjpeg ','Image/GIF ','Image/bmp ','Image/x-png');$ Max_file_size

file because the GD library is used; 2. change extension_dir = to the directory where your php_gd2.dll is located; 3. http://www.bitsCN.com/list/list_15_1.htm PHP image watermarking code example: The code is as follows: // Upload file type list $ Uptypes = array ( 'Image/jpg ', 'Image/jpeg ', 'Image/png ', 'Image/pjpeg ', 'Image/GIF ', 'Image/bmp ', 'Image/x-png' ); $ Max_file_size = 2000000; // size limit of uploaded files, in bytes $ Destination

When you need to upload images to a regular website, you often need to add the LOGO watermark of your website to the image. So how to implement this step? First, let's take a look at the principles of adding watermarks to PHP images.Create an image by determining the file type, copy it to the original image, fill it with and create a rectangle for writing it into imagestring (), or determine the watermark type in the original image program: one is a string, and the other is to add a graphic obje

file because the GD library is used; 2. change extension_dir = to the directory where your php_gd2.dll is located; 3. http://www.jb51.net/list/list_15_1.htm PHP image watermarking code example: The code is as follows: // Upload file type list$ Uptypes = array ('Image/jpg ','Image/jpeg ','Image/png ','Image/pjpeg ','Image/GIF ','Image/bmp ','Image/x-png');$ Max_file_size = 2000000; // size limit of uploaded files, in bytes$ Destination_folder = "u

The PHP watermarking code supports text and image watermarks. PHP adds image and text watermark codes, and PHP adds watermarks. it supports the transparency setting of text image watermarks and the transparency of the watermark image background. I wrote a class by myself, because I developed a PHP class that adds image watermarks and text watermarks, and PHP class that adds watermarks. it supports the transparency settings of text image watermarks and

file because the GD library is used; 2. change extension_dir = to the directory where your php_gd2.dll is located; 3. http://www.bitsCN.com/list/list_15_1.htm PHP image watermarking code example: The code is as follows: // Upload file type list $ Uptypes = array ( 'Image/jpg ', 'Image/jpeg ', 'Image/png ', 'Image/pjpeg ', 'Image/GIF ', 'Image/bmp ', 'Image/x-png' ); $ Max_file_size = 2000000; // size limit of uploaded files, in bytes $ Destination

Before reading a paper titled "Robust Mesh watermarking", when looking up the data, I found a very similar "three-dimensional model digital watermarking system design and implementation" of Chinese paper, with the help of Chinese papers, finally to the grid watermark has a certain understanding, Simply tidy up a bit.Due to the need of intellectual copyright prote

How to quickly dewatermark with PS? Many of my friends are not very clear. the following small series will describe the method for watermarking PS in detail. The operation is very simple. let's learn whether you have encountered such troubles together, when you have worked hard to find an image, you cannot use it because the image has a watermark. So how should we watermark it? For many new users, it is not very clear. the following small series will

watermark will be embedded in the I=1 to I=NW collection. For the I-set, calculate the average UD for all DJB and check the size relationship between UD and Ki, as defined by Ki: [0,0.5] if and wi=+1 Span style= "font-family: Microsoft Jacob Black;" You would otherwise need to increase the ud dmax ud ki The relationship, until the conditions are met. Similarly, when ud and wi=-1 ud ( ) depending on the trajectory of the vertex, you can ensure that the other fram

Work needs, write a simple PHP image watermark function. Lt ;? Php nbsp;/* nbsp; Image watermarking function nbsp; $ imag_url indicates the path of the image to be watermarked nbsp; $ str indicates the string to be added to the image nbsp; $ route: the storage path after adding a watermark nbsp; */ nbsp; function nbsp required for work. a simple function is to add a watermark to a PHP image. /* Image

This is a time ago, the configuration of the company's website when a problem solved, and now read the previous notes, to the need for this feature everyone.Youdao Cloud Notes: creation time: 2014-09-20 16:07 After a few days of code analysis, gradually found the need to add a watermark, and finally added only a few lines of code.Direct topic: source/class/extend/extend_thread_sort.php in the Extend_thread_sort class,In its method public function After_newthread ()if ($_g[' forum_optionlist ' [$

PHP's classic watermarking program for images. if you are familiar with PHP's GD library, it is not difficult to understand this article !? Php /************************************** **************************************** parameter description: $ max_fil If you are familiar with the GD library of PHP, it is not difficult to understand this article! /*************************************** *************************************** Parameter descripti

C # Image Watermarking examples and code, The class to be provided in this Article can add text watermarks to images and determine whether it is an image file. Tested to run, example download: http://hovertree.com/h/bjaf/5qc5eh6y.htmExample: The following is the code of the HovercWarter class: 1 using System. drawing; 2 using System. drawing. imaging; 3 using System. IO; 4 5 namespace HoverTreeBatch. hovercFrame 6 {7 public class HovercWarter 8 {9 pu

effectImagecopymerge ($DST, $SRC, ten, 0, 0, $src _w, $src _h, 50);If the watermark picture itself has a transparent color, use the Imagecopy methodImagecopy ($DST, $SRC, ten, 0, 0, $src _w, $src _h);Output pictureList ($dst _w, $dst _h, $dst _type) = getimagesize ($dst _path);Switch ($dst _type) {Case 1://gifHeader (' content-type:image/gif ');Imagegif ($DST);BreakCase 2://jpgHeader (' Content-type:image/jpeg ');Imagejpeg ($DST);BreakCase 3://pngHeader (' content-type:image/png ');Imagepng ($D

Java Image Watermarking Code Import java. awt. font; import java. awt. graphics; import java. awt. image; import java. awt. image. bufferedImage; import java. io. file; import java. io. fileOutputStream; import com.sun.image.codec.jpeg. export codec; import com.sun.image.codec.jpeg. export imageencoder; import javax. imageio. imageIO; public class WaterMark {public static void pressImage (String dst, String src, int x, int y) {try {File f = new File

using vb.net code to realize image watermarking technology Author: Builder.com.cn2006-11-23 10:5 AM Watermark Technology is a useful technology for trademark and copyright image protection, this technology can be realized dynamically with only a small piece of code. This article explains how to create a watermark class (watermark) that uses an image or text to create a watermark map on the original image. This article provides a watermark of the vb.

Add a watermark for the image uploaded by the Baidu UE editor. Add the watermark function to the image uploaded by Baidu UE editor. the UEditor automatically extracts the image, but the image does not have the watermark function. let's take a look at it with you. Add a watermark for the image uploaded by the Baidu UE editor The UEditor automatically extracts the uploaded images, but the images do not have the watermark function. let's take a look at them. The UEditor does not have the image

Add watermarks to php image uploads (add watermarks automatically ). Php image upload and watermarking (automatic watermark adding) * This is a perfect php file upload code. after the image is uploaded successfully, it is automatically added to the image, this greatly improves the php image upload and watermarking (automatically adding watermarks)/* This is a perfect php file upload code. after the image is