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It defines data formats and standards, then covers biometric technology background: features, fingerprint identification basics, and issues in recognition. It also explains how fingerprint recognition works, data flow, enrollment and identify/verify workflows, distributed processing, compression methods (WSQ, PNG), and NFIQ-based quality and error threshold guidance, plus reader support and SDK upgrading.",{"@graph":69,"@context":121},[70,84,104],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/developer-guide-revised-june-14-2017-version-301-specifications-subject-to-change/673089/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":98,"encodingFormat":97,"isAccessibleForFree":99,"interactionStatistic":100},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/developer-guide-revised-june-14-2017-version-301-specifications-subject-to-change/673089.png","ImageObject",300,407,{"name":92,"@type":93},"Rainbow Cat","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-02",true,{"@type":101,"interactionType":102,"userInteractionCount":8},"InteractionCounter",{"@type":103},"ViewAction",{"@type":105,"mainEntity":106},"FAQPage",[107,113,117],{"name":108,"@type":109,"acceptedAnswer":110},"What does the Developer Guide cover at a high level?","Question",{"text":111,"@type":112},"It explains how U.are.U manuals are organized, introduces biometric and fingerprint recognition concepts, and provides developer workflows for enrollment and identification/verification. It also covers data formats, compression options, image quality (NFIQ), error thresholds, data retention, and SDK upgrade considerations.","Answer",{"name":114,"@type":109,"acceptedAnswer":115},"How does the guide describe the data flow in fingerprint recognition?",{"text":116,"@type":112},"It presents the recognition process as a data flow that supports enrollment and identify/verify workflows. The guide includes steps such as initialization, capture/extract/enroll, and storing data or performing identify/verify actions.",{"name":118,"@type":109,"acceptedAnswer":119},"What compression and quality topics are included?",{"text":120,"@type":112},"The guide covers data compression approaches including WSQ compression and PNG compression. It also discusses NIST Fingerprint Image Quality (NFIQ) and how to determine acceptable error levels and set error thresholds when identifying fingerprints in a collection.","https://schema.org",{"og:url":83,"og:type":123,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":125,"canonical":83},"index,follow",{"doc_id":127,"site_id":62},673089,1793619933,{"code":4,"msg":5,"data":130},{"doc_id":127,"user_id":131,"nickname":92,"user_avatar":132,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":133,"file_id":134,"file_url":135,"file_type":136,"file_size":137,"view_count":8,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":138,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":128,"read_time":143},962090769181,"https://ap-avatar.wpscdn.com/davatar_6f874abed73319feea01a86fa6f0fab8","Developer Guide  \nCopyright © 2006-2017 Crossmatch. All rights reserved. Specifications are subject to change without prior notice. The Crossmatch logo, Crossmatch™, Cross Match®, DigitalPersona®, TouchChip®, Eikon®, U.are.U® and FingerJet™ are trademarks or registered trademarks of Cross Match Technologies, [Inc. in](Inc. in) the United States and other countries. All other brand and product names are trademarks or registered trademarks of their respective owners.  \nRevised: June 14, 2017 (version 3.0. 1)  \nContents  \nINTRODUCTION 7  \nWhat’s New? ................................................................................................................................................. 7  \nHow the U.are.U Manuals are Organized ...................................................................................................... 7  \nGetting Updated Documentation .................................................................................................................. 8  \nTarget Audience ............................................................................................................................................ 8  \nHow this book is arranged............................................................................................................................. 8  \nData Formats and Standards ........................................................................................................................ 8  \nBACKGROUND 9  \nBiometrics ...................................................................................................................................................... 9  \nFeatures of Biometric Technology................................................................................................................. 9  \nThe Basics of Fingerprint Identification ......................................................................................................... 9  \nIssues in Fingerprint Recognition Technology ............................................................................................ 10  \nDEVELOPING APPLICATIONS 11  \nHow Fingerprint Recognition Works............................................................................................................ 11  \nUnderstanding the Data Flow ...................................................................................................................... 11  \nWorkflow-Enrollment Application .............................................................................................................. 12  \nStep One-Initialization ........................................................................................................................... 12  \nStep Two-Capture, Extract and Enroll .................................................................................................. 12  \nStep Three-Store Data .......................................................................................................................... 13  \nNotes on Enrollment ............................................................................................................................... 13  \nWorkflow-Identifying/Verifying................................................................................................................... 13  \nStep One-Initialization ........................................................................................................................... 13  \nStep Two-Capture and Extract ............................................................................................................. 13  \nStep Three-Identify/Verify ..................................................................................................................... 13  \nDesign Issues for your Application .............................................................................................................. 13  \nDistributed Processing and Data Flow ..................................................","cbCaiiD2N6IuFuAT","https://ap.wps.com/l/cbCaiiD2N6IuFuAT","pdf",2657341,88,"English","# Introduction\n## What’s New?\n## How the U.are.U Manuals are Organized\n## Getting Updated Documentation\n## Target Audience\n## How this book is arranged\n## Data Formats and Standards\n# Background\n## Biometrics\n## Features of Biometric Technology\n## The Basics of Fingerprint Identification\n## Issues in Fingerprint Recognition Technology\n# Developing Applications\n## How Fingerprint Recognition Works\n## Understanding the Data Flow\n## Workflow-Enrollment Application\n## Workflow-Identifying/Verifying\n## Design Issues for your Application\n## Distributed Processing and Data Flow\n## Data Compression\n## WSQ Compression\n## PNG Compression\n## NIST Fingerprint Image Quality (NFIQ)\n## Determining an Acceptable Level of Error\n## Setting the Error Threshold when Identifying a Fingerprint in a Collection\n## Defining the Data Retention Policy\n## Specifying the Fingers to Be Scanned\n## Optimizing Fingerprint Applications\n# Working with Fingerprint Readers\n# Upgrading from Previous SDKs\n## Overview of Support for Previous SDKs\n## Working with Existing Data Created with Previous SDKs\n## Exchanging Data with Applications Using Previous SDKs\n## Upgrading Applications from Previous SDKs\n## Converting Applications from the One Touch S","[{\"question\":\"What does the Developer Guide cover at a high level?\",\"answer\":\"It explains how U.are.U manuals are organized, introduces biometric and fingerprint recognition concepts, and provides developer workflows for enrollment and identification/verification. It also covers data formats, compression options, image quality (NFIQ), error thresholds, data retention, and SDK upgrade considerations.\"},{\"question\":\"How does the guide describe the data flow in fingerprint recognition?\",\"answer\":\"It presents the recognition process as a data flow that supports enrollment and identify/verify workflows. The guide includes steps such as initialization, capture/extract/enroll, and storing data or performing identify/verify actions.\"},{\"question\":\"What compression and quality topics are included?\",\"answer\":\"The guide covers data compression approaches including WSQ compression and PNG compression. It also discusses NIST Fingerprint Image Quality (NFIQ) and how to determine acceptable error levels and set error thresholds when identifying fingerprints in a collection.\"}]","Developer Guide - Revised June 14, 2017 (Version 3.0.1) - Specifications subject to change | PDF",222]