Text OCR Model

AI Data Capture SDK

Overview

Model Name: text-ocr-recognizer

Text OCR is used to detect and recognize text within a given image. It is capable of handling use cases involving printed text in various sizes and non-stylized fonts, as well as dot peen fonts and handwriting.​

Requirements

  • Operating System: Android 14 or higher. For specific OS versions, refer to AI Data Capture SDK Release Notes from the Zebra support portal.

  • Minimum SDK Version: AI Data Capture SDK v3.0.2 or later.

  • Supported Zebra Devices:

    Features Platform Device Model
    Products with DSP
    Fastest and most battery efficient    		 QC6490 TC53, TC58, TC73, TC78, ET60, ET65
    QC5430 EM45
    Products without DSP
    Applies to still images     		QC4490 TC53e, TC58e, MC9400, MC9450

    For more information on devices based on platform, see Zebra Platform Devices.

Performance Details

Model Model Dimensions Typical Load Time (ms) Typical Inference Time (ms) Typical Maximum Read Distance (cm)
8pt font (Times New Roman)		 Typical Maximum Read Distance (cm)
12pt font (Times New Roman)		 Typical Maximum Read Distance (cm)
36pt font (Times New Roman)
text-ocr-recognizer​ 640x640 1580 110 No Read 20 55
text-ocr-recognizer​ 1280x1280 1780 180 25 40 130
text-ocr-recognizer​ 1600x1600 1740 270 35 40 145
text-ocr-recognizer​ 2560x2560 1840 480 50 65 165

Measurements Notes:

  • All measurements are estimations​.
  • Measurements were conducted using the Zebra TC53 device equipped with the Qualcomm 6490 chipset operating on the DSP AI accelerator​.
  • Images were 4MP Resolution under 300 Lux​ lighting conditions.
  • Read distance met at least 90% Recall.

Resources