Finder Pattern
Three identical 7x7 module squares in the top-left, top-right, and bottom-left corners of a QR code. Their distinctive 1:1:3:1:1 ratio of dark-light-dark modules allows scanners to detect and orient the symbol from any rotation angle.
Related Terms
Related Content
What Is a QR Code? A Complete Introduction
QR Code Fundamentals…structural components working together. Three large finder patterns in the corners let scanners detect and orient the…
QR Code Anatomy: Every Component Explained
QR Code Fundamentals…to locate the QR code instantly. Learn more in our finder pattern deep dive . Separators A one-module-wide white border…
How QR Code Scanning Works: From Camera to Data
QR Code Fundamentals…handles uneven lighting, shadows, and gradients. Step 2: Finder Pattern Detection The scanner searches for the distinctive finder…
QR Code vs Barcode: Why 2D Won
QR Code Fundamentals…QR codes can be read from any angle thanks to finder patterns that provide orientation information. This makes…
Mask Patterns: The Hidden Optimisation in Every QR Code
QR Code Fundamentals…Finder-like patterns : Sequences resembling the 1:1:3:1:1 finder pattern ratio Colour balance : Deviation from 50/50 dark-to-light…
The Finder Pattern: Why QR Codes Have Three Squares
QR Code FundamentalsThe Finder Pattern: Why QR Codes Have Three Squares The three large squares…
Micro QR and rMQR: Compact Alternatives to Standard QR
QR Code Fundamentals…applications. Micro QR Code Micro QR codes have a single finder pattern instead of three, dramatically reducing overhead for small…
QR Code Standards: ISO 18004 and Beyond
QR Code Fundamentals…It specifies the unique rectangular form factor, finder sub-pattern, and version sizes. GS1 Digital Link GS1…