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Output similar images in directory after comparing with image input in php
P粉245003607
P粉245003607 2024-01-29 14:38:39
0
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In my web page, the user will upload an image and then upon submission it should be compared with all the images in the directory and similar images should be output. I did this with md5 but it only outputs the exact image, I know the reason but I don't know how to loop all the images in my directory with the input image using RGB comparison... Can anyone help me ? This is my current code: 

<?php 
    if(isset($_POST['submit'])){

    $filepath=pathinfo($_FILES['file']['name']) ;
    $extension=$filepath['extension'];
    
    $iname= date('H-i-s').'.'.$extension;
    $path='upload/'.$iname;
    if(move_uploaded_file($_FILES['file']['tmp_name'],$path)){
        $img=$path;
        echo $img;
        $f=md5(file_get_contents($img));
        $images=glob("img/*");
        foreach($images as $image){
            if($f==md5(file_get_contents($image))){
                echo  "<img height='70px' width='70px' src='".$image."'/>";
            }

        }


    
}
}
?>

And my html code

<html>
     <body> 
       <form method=post enctype="multipart/form-data">
          <input type=file name=file><br><input type=submit name=submit value=submit>
       </form>
    </body>
   </html>

P粉245003607
P粉245003607

reply all(1)
P粉860897943
P粉8608979432024-01-30 00:12:15 1 floor

I used the class mentioned in this git repository to calculate image hashes and their differences.

https://github.com/nvthaovn/CompareImage

and change my code to: 

<?php 
include('compareImages.php');
$flag = 0;

if(isset($_POST['submit'])) {

    $filepath = pathinfo($_FILES['file']['name']);
    $extension = $filepath['extension'];
    
    $iname = date('H-i-s').'.'.$extension;
    $path = 'upload/'.$iname;

    if(move_uploaded_file($_FILES['file']['tmp_name'], $path)) {
        
        $compareMachine = new compareImages($path);
        $images = glob("img/*");

        foreach($images as $image)
        {
            $diff = $compareMachine->compareWith($image);
            
            if($diff ";
            }
        }
        
        $flag = 1;
    }
}
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