方向

Embed This Widget

Theme


      
    

Widget powered by . Free, no account required.

又称: rotation angle

The rotational position of a QR code relative to the scanner. Thanks to the three finder patterns, QR codes can be read from any rotation (0-360 degrees) and even when mirrored, as the decoder determines orientation from the finder pattern layout.

相关术语

什么是QR Code?完整入门介绍

QR Code Fundamentals

…QR codes could store thousands — and be scanned in any orientation. DENSO WAVE made the critical decision to release the QR…

QR Code解析:每个组成部分详解

QR Code Fundamentals

…bands. This ratio is detectable from any angle and at any scale, allowing scanners to locate the QR code…

QR Code扫描原理:从摄像头到数据

QR Code Fundamentals

…relationship confirm a QR code is present. Step 3: Orientation and Perspective Correction Using the positions of the…

QR Code vs 条形码:为什么2D获胜

QR Code Fundamentals

…Flexibility Barcodes must be scanned in a specific orientation — the laser or camera must cross the bars perpendicularly.…

定位图案:为什么QR Codes有三个方块

QR Code Fundamentals

…: Any single finder pattern confirms a candidate QR code Orientation : Three points define a plane, establishing the code's…

QR Codes的历史:从丰田到全球标准

QR Code Fundamentals

…that was fast to scan, held more data, and worked from any angle. The result was a 2D matrix code with distinctive finder…

纠错与徽标放置:可以覆盖多少?

Error Correction & Data Integrity

…for other potential errors (print imperfections, scanning angle, etc.). Logo Placement Guidelines Centre placement : The…

QR Code设计最佳实践

QR Code Design & Customisation

…(iOS and Android) Scan at the expected distance and angle Scan in representative lighting conditions Verify the…