SheetSense
Grade printed MCQ answer sheets from a phone photo. An OpenCV 5 agent reads every bubble, retries what it cannot see clearly, and asks you about anything it is unsure of. You approve every grade.
0Print the answer sheet
One A4 sheet holds up to 40 questions (A–D). The four black corner squares let the agent find and straighten the page at any angle.
1Answer key
Type letters A–D (spaces and commas are ignored), or photograph a sheet you filled in as the key.
2Student sheet
or try a sample:
Tip: lay the sheet flat, fill the frame, and keep all four corner squares visible. Photos are resized in your browser, processed in memory on AWS Lambda, and not stored.
3Result
Why the agent did this (step-by-step trace)
Approved grades
No approved grades yet.