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Class: Transparent Watermark

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  Classes of Lionel Micault  >  Transparent Watermark  >  Download .tar.gz .zip  >  Support forum Support forum (1)  >  Blog Blog  >  RSS 1.0 feed RSS 2.0 feed Latest changes  
Name: Transparent Watermark
Support forum Support forum
Base name: transparentwatermark
Description: Apply a transparent watermark to protect images
Related classes: , , , , , , ,
Version: -
PHP version: -
License: Free for non-commercial use
All time users: 7882 users
All time rank: 167
Week users: 9 users
Week rank: 370
Picture of Lionel Micault
Author: Lionel Micault <e-mail contact>
Packages: 1 Browse this author's classes Browse this author's classes
Country: France France - PHP jobs in France
Age: ???
All time rank: 25817 in France France
Week rank: 394 Down22 in France France Down
Innovation award
Innovation award
Nominee: 1x


  Detailed description  
This class modifies a given image using an watermark graphic defined by another image.

This is meant to help protecting the sites that own the original images from being stollen by other people that remove the original credits and display the images in other sites without permission.

This class places the watermark image with a random displacement and color effects to difficult the effectiveness of watermark removal techniques.

 

  Groups  
Group folder image Graphics Colors, images, charts and picture formats View top rated classes
Group folder image Security Security protection and attack detection View top rated classes

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  Innovation Award  
PHP Programming Innovation award nominee
April 2004
Number 5
 There are many sites that publish content that is mainly based on photos that they have been taken or acquired from somebody that took them.

Unfortunately there are also unscrupulous people that steal the photos from those sites and publish in other sites as if they where the ones that originally obtained the pictures, thus gaining undeserved credit and audience.

One way to prevent stealing sites to gain undue credit, is to put a mark of origin in the photos that is hard to remove.

This class provides a solution for processing picture by placing a transparent watermark that not only identifies the real origin of the picture, it can also make it difficult to remove such mark with the usual image processing tools.

Manuel Lemos

  User ratings  
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All time:
Sufficient (77.9%)
Sufficient (77.9%)
Sufficient (66.2%)
Sufficient (73.5%)
-
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Sufficient (60.7%)
757
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  Applications that use this class  
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  Files folder image Files  
File Role Description
Plain text file readme.txt Doc. readme file
Plain text file test.php Example test source
Plain text file transparentWatermark.inc Class class file

Download all files: transparentwatermark.tar.gz transparentwatermark.zip
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