OpenScanVision is an open-source Android computer vision engine for document, form, and card scanning. It provides perspective correction, template alignment, QR decoding, and OMR recognition for offline applications.
opencv real-time computer-vision offline-first image-processing android-library qr-code aruco omr document-scanner scanning marker-tracking mlkit optical-mark-recognition homography marker-detection voting-system perspective-correction camerax form-scanner
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Updated
Jul 19, 2026 - Kotlin