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ganeshkandu/imageanalysis
=========================

This tool compares the original image to a recompressed version. This can make manipulated regions stand out in various ways. For example they can be darker or brighter than similar regions which have not been manipulated.

1.0.1(7y ago)41042GPL-3.0PHPPHP >=5.3.0

Since May 6Pushed 7y ago1 watchersCompare

[ Source](https://github.com/GaneshKandu/imageanalysis)[ Packagist](https://packagist.org/packages/ganeshkandu/imageanalysis)[ RSS](/packages/ganeshkandu-imageanalysis/feed)WikiDiscussions master Synced 2mo ago

READMEChangelog (1)Dependencies (1)Versions (3)Used By (0)

Error Level Analysis
====================

[](#error-level-analysis)

This tool compares the original image to a recompressed version. This can make manipulated regions stand out in various ways. For example they can be darker or brighter than similar regions which have not been manipulated.

JPEG Quality
------------

[](#jpeg-quality)

This should match the original quality of the image that has been edited.

Error Scale
-----------

[](#error-scale)

Makes the differences between the original and the recompressed image bigger

> best works with jpeg image

Requirement
-----------

[](#requirement)

PHP 5.3+ and GD extension installed

Get Started
-----------

[](#get-started)

### Installation

[](#installation)

This library is designed to be installed via [Composer](https://getcomposer.org/doc/).

Add the dependency into your projects composer.json.

```
{
  "require": {
    "ganeshkandu/imageanalysis": "*"
  }
}

```

Download the composer.phar

```
curl -sS https://getcomposer.org/installer | php
```

Install the library.

```
php composer.phar install
```

#### or

[](#or)

> To add in in your dependencies

```
php composer.phar require ganeshkandu/imageanalysis
```

USAGE
=====

[](#usage)

```