Grades Auto-Filler

Overview

This project is designed to assist Teaching Assistants (TAs) and Professors in automating the process of filling and correcting grades electronically. It comprises two main modules: one for processing handwritten grades sheets and another for correcting multiple-choice bubble sheets.

Module 1: Grades Sheet

Input via GUI

• A photo of a printed grades sheet, captured using a mobile camera.

Output

• An Excel sheet containing the grades data with the following features:
  • Handling skewed or rotated images.
  • Recognizing different ink colors or clear pencils.
  • Dealing with various formats of the grades sheet, such as different sizes for rows and columns.
  • Recognizing different handwritings and the number of students.

Conversion of Data to Text

• Printed Student ID:
  • Users can choose between OCR-based (Option 1) or feature-based with a classifier (Option 2) methods.
• Symbols:
  • ✓: Converted to 5.
  • 𐄂: Converted to 0.
  • -: Converted to 0.
  • Empty cell: Remains empty.
  • Stacked Vertical lines (|||): Converted to the number of lines.
  • Stacked Horizontal lines (-): Converted to (5 - the number of lines).
  • ?: Empty cell with a red background.
  • Numeric values: Users can choose between OCR-based (Option 1) or feature-based with a classifier (Option 2) methods.

Example

Input	Output

Module 2: Bubble Sheet Correction

Input via GUI

• Bubble sheets with student IDs.
• Model answer.

Output

• Spreadsheet with grades sheet for all students along with answers sheet for each student.

Cases

• Handling choosing multiple answers

Example

Input	Output