Evaluate OMR answer sheets with Gemini vision AI and Google Sheets

About

✅ What problem does this workflow solve? Manual checking of OMR (Optical Mark Recognition) answer sheets is time-consuming, error-prone, and difficult to scale—especially for schools, coaching institutes, and exam centers. This workflow automates OMR evaluation end-to-end using AI, from reading a scanned answer sheet image to calculating scores and storing structured results in Google Sheets. ⚙️ What does this workflow do? Accepts a scanned OMR answer sheet image via webhook. Uses AI vision