OCR & Computer Vision

Technical insights and tutorials related to OCR & Computer Vision.

3 Articles

9/10/2026

Building a Private Scan2Call Engine: On-Device OCR & Gemma 4

A deep dive into engineering a local-first contact scanner. Learn how to combine on-device ML Kit OCR with local Gemma 4 schema extraction and synchronize offline records securely to Firestore.

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Architecting a Local-First Flutter Document Scanner: Play Services & Firestore Sync

OCR & Computer Vision

9/8/2026

Architecting a Local-First Flutter Document Scanner: Play Services & Firestore Sync

A deep technical blueprint for bridging Android's Play Services Document Scanner API with Flutter. Learn to construct an offline-first Firestore sync engine while avoiding JVM heap and Dart runtime OOM errors during heavy multi-page PDF processing.

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Building a High-Performance Scan2PDF Pipeline in Flutter

OCR & Computer Vision

8/11/2026

Building a High-Performance Scan2PDF Pipeline in Flutter

A deep technical architecture guide to building an enterprise-grade Scan2PDF document scanner in Flutter. Learn how to bypass platform channel bottlenecks using native C++, OpenCV, and zero-copy Dart FFI memory bindings.

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