OMR Grader

Automated answer sheet grading system using computer vision with OpenCV.

Overview

Python-based OMR (Optical Mark Recognition) system that grades filled answer sheets by detecting and analyzing bubble marks using image processing techniques.

Features

• Automatic answer sheet alignment and perspective correction
• Bubble detection and mark recognition
• Answer key comparison and scoring
• Android app version included

Requirements

• OpenCV (cv2)
• NumPy
• Python 3.10+

Files

• Azmunyar OMR Grader.py — Main grading script
• Grader On Android.zip — Android application package
• GraderTest.jpg / Tested.jpg — Sample test images

Usage

python Azmunyar\ OMR\ Grader.py

License

MIT