dafedescribe/MARKA

# MARKA 🎯 > **AI-Powered Exam Processing, Computer Vision OMR Scanner & Verified Student Assessment Engine** --- ## 🌟 Overview **MARKA** bridges the physical and digital gap in education for developing markets and resource-constrained environments. Teachers and school administrators can effortlessly convert plain text exam questions into print-ready **Optical Mark Recognition (OMR) sheets**, scan completed student bubble sheets using any smartphone camera, and automatically generate itemized, tamper-proof **Assessment Receipts** in seconds. Whether operating in offline classrooms or modern digital institutions, MARKA eliminates manual grading fatigue, guarantees high computer vision scanning accuracy, and delivers actionable learning analytics for educators. --- ## ✨ Key Features ### 📄 1. Automated OMR Sheet Generator - **Dynamic Bubble Grid Engine**: Automatically calculates spacing, column layouts, and printable boundaries for 20, 40, 60, or 100-question multiple-choice exams. - **Fiducial Alignment Markers**: Embedded high-precision corner targets ensure robust perspective correction regardless of camera angle. - **QR-Coded Verification**: Unique QR identifiers on every sheet bind student index, subject code, and exam variant to prevent grading mix-ups. ### 📷 2. High-Precision Computer Vision Scanner - **Perspective & Warp Correction**: Detects page boundaries and corrects rotational tilt, camera lens distortion, and uneven lighting. - **Adaptive Thresholding**: Accurately scores pencil marks, pen fills, crosses, or light bubble shading. - **Batch Processing API**: Upload multiple sheet scans simultaneously with instant queue processing and real-time status updates. ### 🧾 3. Student Assessment Receipt Engine - **Printable Micro-Receipts**: Compact, ink-saver micro-receipts (up to 10 receipts per A4 sheet) for physical distribution to students & parents. - **Itemized Score Breakdown**: Shows total score, percentage grade, question-by-question bre …