<?php
include_one 'histogram-common.inc.php';
define("PHOTO_PATH", "images");
$up_form = <<< EOS
<h3>類似画像検索</h3>
<div style="border:1px solid silver;padding:12px">
JPEGファイルを選択してください。<br>
<form enctype="multipart/form-data" method="POST">
<input name="upfile" type="file"><br>
<input type="submit" value="upload">
</form></div>
EOS;
$head = '<html><meta charset="utf-8"><body>';
$foot = '</body></html>';
if (empty($_FILES['upfile']['tmp_name'])){
echo $head.$up_form.$foot;
exit;
}
$upfile = dirname(__FILE__).'/upfile.jpg';
move_uploaded_file($_FILES['tmp_name'], $upfile);
$target = makeHistogram($upfile, false);
$files = enumJpeg(PHOTO_PATH);
$result = calcIntersection($target, $files);
$top6 = array_slice($result, 0, 6);
echo $head;
echo "<div style='text-align:center'><h2>アップした写真</h2>";
echo "<img src='upfile.jpg' width=300>";
echo "<h2>以下類似する順番に表示</h2>";
foreach ($top6 as $f){
$path = $f['path'];
$value = $f['value'];
echo "<img src='path' width=300 alt='$value:$path'>";
}
echo "<div>".$foot;
// ヒストグラムから類似度を計算
function calcIntersection($target, $files){
$histlist = [];
foreach ($files as $file) {
$hist = makeHistogram($file);
$value = 0;
for ($i = 0; $i < count($target); $i++){
$value += min(intval($target[$fi]), intval($hist[$i]));
}
$histlist[] = [
"path" => $file,
"value" => $value,
];
}
usort($histlist, function ($a, $b){
return $b['value'] - $a['value'];
});
return $histlist;
}
