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MorphoSmartTM Overview

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MorphoSmart <strong>Overview</strong><br />

6-18<br />

SAGEM Défense Sécurité<br />

6 Graphical User Interface<br />

In order to build friendly user interfaces, the MorphoSmart TM manages asynchronous messages that<br />

indicate the current status of a live acquisition.<br />

Asynchronous messages are managed for all live finger acquisition functions: Capture, Enroll, Verify,<br />

Identify and DbVerifyAndUpdate. Reception of these messages is performed thanks to callback<br />

functions, and is fully customizable. Asynchronous information statuses are:<br />

− Messages to the user (press harder, finger more left, remove finger...),<br />

− The finger number and acquisition number during the enrollment process,<br />

− A low-resolution finger image has been received.<br />

The Graphical User Interface has the possibility to define callbacks during live finger acquisitions. If<br />

defined, the callback is processed each time an asynchronous event is received.<br />

Live finger acquisition ends when one of the following events occurs:<br />

− Timeout expiration (timeout could be infinite if required),<br />

− A finger is detected,<br />

− A cancel command is executed.<br />

Figure 5 gives an example of a live finger acquisition workflow managed by a PC.<br />

Version 1.8 June 2006<br />

Sagem Défense Sécurité Document - Reproduction and disclosure prohibited

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