How to Understand Image Resolution (DPI) Specifications of Fingerprint Modules

From wizarPOS

Crossmatch Fingerprint Module

  • Array Size: 256 x 360 pixels.
  • Image Resolution: 508 DPI (dots per inch).
  • Gray Scale: 8-bit (256 levels).
  • Imaging Area: 18.00 mm x 12.80 mm.

WizarPOS Fingerprint Module

  • Array Size: 360 x 256 pixels.
  • Image Resolution: 508 DPI (dots per inch).
  • Gray Scale: 8-bit.
  • Active Sensing Area: 18.0 mm x 12.8 mm.

Key Points

  • Both Crossmatch and WizarPOS fingerprint modules offer a high image resolution of 508 DPI, ensuring detailed fingerprint capture.
  • The array size and gray scale specifications are critical for developers to understand the image quality and the level of detail that can be captured by these modules.
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