<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <link rel="stylesheet" type="text/css" href="../../css/style.css"> <link rel="icon" href="../../img/icon.png"> <title>QRazyBox - Help Page</title> </head> <script type="text/javascript" src="../../js/jquery.min.js"></script> <script type="text/javascript" src="../js/jquery.mark.min.js"></script> <script type="text/javascript" src="../js/script.js"></script> <body style="background:white;"> <div class="header noselect"> <div class="left"> <img src="../../img/icon.png" class="icon"> <h3>QRazyBox Help</h3> </div> <div class="right"> <div class="search"> <img src="../../img/search.png"> <input type="text" placeholder="Search here..."> </div> <img src="../../img/bars.png" class="menu-bar"> </div> </div> <div id="left-box-help" class="left-box" style="overflow-x:auto;"> <div style="height:80px;"></div> <div id="help-menu"> </div> </div> <div class="help"> <div class="breadcrumbs noselect"> <h6><a href="../index.html">Help</a> <span>›</span> <a href="index.html">Extension Tools</a> <span>›</span> Brute-force Format Info Pattern</h6> </div> <h2>Brute-force Format Info Pattern</h2> <br> <p>This tool is very suitable to use when almost all or even the whole modules of format info pattern are unknown or damaged.<br>It will try all possibilities of Format info pattern. Since QR code only has 4 ECC level and 8 Mask pattern, it just needs 32 trials to find the correct one.<br> Though, this condition is very rarely happen to QR code.</p> <br> <p><b>Brute-force Format Info Pattern</b> is <i>toggleable</i> tool. Which means, it will remain active until you de-activate it or the tool has found the correct pattern.<br>As long as this tool is active, you cannot edit or set the format info pattern.<br> This tool will be executed when you decode the QR code through <b>Decode mode</b>.</p> <center> <img src="../img/brute-force-format-info.png"> <p><i>(The image above displays brute-force result with ECC level H and Mask pattern 2 along with the decoded message)</i></p> </center> <br> <p>Keep in mind, that it may generate more than one result. You can check all result(s) by clicking the arrow button.</p> <div class="space"></div> <div class="nav"> <button class="left" onclick="window.location='reed-solomon-decoder.html';">Prev : Reed-Solomon Decoder</button> <button class="right" onclick="window.location='data-unmasking.html';">Next : Data Unmasking</button> </div> <div class="clear"></div> <div class="space"></div> </div> </body> </html>