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Free PHP OMR API to Identify Marked Areas & Extract Data

Open source PHP Library That Incorporate Optical Mark Recognition & Robust Image Processing Capabilities for Extracting Meaningful Data from Scanned Documents in PHP Applications

In the vast landscape of programming, software developers and programmers often encounter challenges that require innovative solutions. Optical Mark Recognition (OMR) is one such domain that has gained prominence for its ability to automate the process of extracting information from scanned documents. Among the plethora of tools available, the OMR PHP Library by Jansen Felipe stands out as a powerful and user-friendly solution. OMR PHP Library is designed for efficiency, with optimized algorithms that contribute to fast and reliable processing. This is crucial for applications dealing with large volumes of scanned documents.

PHP OMR Library is an open source tool designed to simplify the implementation of OMR functionality in PHP applications. OMR t automates the data extraction process from documents, typically answer sheets or surveys. It relies on recognizing predefined marks made by users, such as checkboxes or filled bubbles, and translating them into machine-readable data. OMR PHP Library is designed for efficiency, with optimized algorithms that contribute to fast and reliable processing. This is crucial for applications dealing with large volumes of scanned documents.

The OMR PHP Library stands out for its seamless integration capabilities. With just a few lines of code, developers can incorporate OMR functionality into their PHP applications, making it an accessible choice for both seasoned developers and those new to the world of OMR. With its open-source nature, broad community support, and a rich feature set, this library serves as a valuable asset for projects requiring accurate and automated data extraction from marked documents. Whether you're working on educational software, survey applications, or any project involving scanned forms, the OMR PHP Library is a valuable asset that can save time and enhance the accuracy of data processing.

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Getting Started with OMR

The recommend way to install PHP OMR Library is using Composer. Please use the following command for a smooth installation.

Install OMR via Composer

 $ composer require jansenfelipe/omr
 

Install OMR via GitHub

$ git clone https://github.com/jansenfelipe/omr.git

The open source OMR library makes it easy for software developers to load various types of mark types and perform the recognition operations inside PHP applications. Performing mark recognition using the OMR PHP Library involves a series of steps, including installation, setting up a template, and processing images. First, define a template for your OMR form. This involves specifying the regions where marks are expected. You can use an image editor to identify these regions and mark them in your template image. Save the template as a PNG file. The following code example shows to how to apply to process OMR using the PHP library. The script will output results indicating which regions on the form were marked. You can customize the script to suit your specific requirements.

How to Perform OMR Operation on Images using PHP Library?

require 'vendor/autoload.php';

use JansenFelipe\OMR\Example\SimpleExample;

// Define paths
$templatePath = 'path/to/your/template.png';
$imagePath = 'path/to/your/filled/form.png';

// Instantiate the SimpleExample class
$example = new SimpleExample();

// Set paths
$example->setTemplatePath($templatePath);
$example->setImagePath($imagePath);

// Process the image
$result = $example->run();

// Output the results
var_dump($result);


The library is crafted with simplicity in mind, making it accessible even to developers with minimal OMR experience. One of the library's strengths lies in its ability to handle diverse mark types. Whether its checkboxes, multiple-choice questions, or any other form of marked input, the OMR PHP Library provides a comprehensive solution for recognizing and interpreting different mark structures.

Image Processing & Customization Support

The Open source OMR library incorporates robust image processing capabilities, facilitating the extraction of meaningful data from scanned documents. This includes the identification of marked areas, ensuring accurate and reliable results. It supports different types of OMR forms, allowing software developers to tailor the solution to their specific needs. Software developers can customize the library to adapt it to the unique requirements of their projects. This includes the ability to define custom templates for OMR forms, providing a high degree of flexibility.