<!DOCTYPE html>
<html>
<head>
<title>Auto Gamma Correction</title>
<link type="text/css" rel="stylesheet" href="auto_gamma.css">
<script type="text/javascript" src="auto_gamma.js"></script>
</head>
<body>
<div class="btn_area">
<button id="auto_gamma" class="btn_gamma" onclick="clickAutoGamma()">Auto Gamma Correction</button>
</div>
<div class="img_area">
<img id="image_original" class="img_gamma" src="test.jpg">
</div>
<div class="img_area">
<img id="image_gamma" class="img_gamma" src="test.jpg">
</div>
</body>
</html>