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AI Overview
Key Features and Standards
- FBI Certification: WSQ is the standard for the criminal justice community to ensure high-quality, compressed image exchange.
- Compression Efficiency: Reduces file size (e.g., from 10MB to <1MB) while maintaining high forensic quality.
- Image Formats: Supported by libraries that convert between WSQ and other formats like JPEG-2000, PNG, and BMP.
Common WSQ Tools & Software
- Cognaxon WSQ Viewer: A free tool for viewing and converting WSQ files on Windows, macOS, and Linux.
- Mentalix Fast WSQ API: A toolkit for system integrators to add compression capabilities to custom applications.
- Neurotechnology Fingerprint Component: Supports WSQ 3.1 compression and image processing for large-scale systems.
Hardware Integration
Fingerprint readers, such as the DigitalPersona U.are.U 4500 or FAP20 scanners, can be integrated into web applications to capture images, which are then compressed using WSQ via an SDK or middleware, such as the Cognaxon WSQ Library.
Fingerprint readers, such as the DigitalPersona U.are.U 4500 or FAP20 scanners, can be integrated into web applications to capture images, which are then compressed using WSQ via an SDK or middleware, such as the Cognaxon WSQ Library.
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Web results
Free WSQ Viewer for Windows & macOS & Linux
Cognaxon
https://www.cognaxon.com › page=wsqview
Cognaxon
https://www.cognaxon.com › page=wsqview
Nov 16, 2025 — Cognaxon WSQ viewer reads and converts between WSQ, JPEG-2000 and other graphic file formats. After installation of WSQ viewer *.wsq files can be easily opened ...Read more
People also ask
What is the WSQ specification?
The WSQ Specification defines a class of encoders and a single decoder with sufficient generality to decode compressed image data produced by any compliant encoder.
WSQ — BioSpecs - FBI.gov
FBI BioSpecs (.gov)
https://fbibiospecs.fbi.gov › certifications-1 › wsq
FBI BioSpecs (.gov)
https://fbibiospecs.fbi.gov › certifications-1 › wsq
Can I use my phone as a fingerprint scanner for PC?
How to unlock your computer with a phone fingerprint scanner. You may use your smartphone's fingerprint scanner to unlock your PC. It works as a perfect wireless remote fingerprint scanner device for pc, if it has one. To make this work, you only need an app for your smartphone and a similar module for your computer.Feb 11, 2026
Use One Fingerprint Scanner for All Computers in Network - FlexiHub
FlexiHub
https://www.flexihub.com › network-fingerprint-scanner
FlexiHub
https://www.flexihub.com › network-fingerprint-scanner
How to open a WSQ file?
wsq files can be easily opened in File Explorer with simple mouse double click. WSQ viewer is the demo version of WSQ (FBI's Wavelet Scalar Quantization) library add-on available as SDK for software developers.Nov 16, 2025
Free WSQ Viewer for Windows & macOS & Linux - Cognaxon
Cognaxon
https://www.cognaxon.com › page=wsqview
Cognaxon
https://www.cognaxon.com › page=wsqview
What type of fingerprint scanner is best?
1:11
2:36
Perfect for diverse identity projects. If security is your top priority choosing a Mazip compliantMorePerfect for diverse identity projects. If security is your top priority choosing a Mazip compliant scanner is a smart. Idea. So any product advised with high security and cost effectiveness.
How to Choose a Fingerprint Scanner? - YouTube
YouTube
https://www.youtube.com · EKEMP Secure Identity
YouTube
https://www.youtube.com · EKEMP Secure Identity
Web results
Aware WSQ1000
aware.com
https://www.aware.com › biometrics › aware-wsq1000
aware.com
https://www.aware.com › biometrics › aware-wsq1000
Aware WSQ1000 is an SDK providing the industry's highest-performing, FBI-certified implementation of the WSQ compression algorithm for fingerprint images.Read more
WSQ — BioSpecs
FBI BioSpecs (.gov)
https://fbibiospecs.fbi.gov › certifications-1 › wsq
FBI BioSpecs (.gov)
https://fbibiospecs.fbi.gov › certifications-1 › wsq
The Wavelet Scalar Quantization (WSQ) Gray-scale Fingerprint Image Compression Algorithm is the standard for the exchange of 8-bit, 500ppi fingerprint images.Read more
Wavelet Scalar Quantization (WSQ)
CardLogix Corporation
https://www.cardlogix.com › glossary › wsq-fingerprint-...
CardLogix Corporation
https://www.cardlogix.com › glossary › wsq-fingerprint-...
Apr 3, 2019 — The Wavelet Scalar Quantization algorithm (WSQ) is a compression algorithm used for gray-scale fingerprint images.
WSQ Fingerprint Scanner
Feigete Intelligent Technology Co.,Limited
https://www.smartfeigete.com › wsq-fingerprint-scanner_...
Feigete Intelligent Technology Co.,Limited
https://www.smartfeigete.com › wsq-fingerprint-scanner_...
USB FAP20 500DPI WSQ ANSI ISO Biometric Fingerprint Reader for Authentication works with both Windows,Linxu and Android for Authentication.Read more
WSQ Viewer for Windows
Net-X Solutions
https://www.netxsolutions.co.uk › wsq
Net-X Solutions
https://www.netxsolutions.co.uk › wsq
WSQ Viewer is a free tool to open and view all WSQ fingerprint files and is available free to download, This viewer has been built using our proven WSQ Library.Read more
WSQ image library (for fingerprints) v.2.8 - File Exchange
MathWorks
https://www.mathworks.com › matlabcentral › 11764-w...
MathWorks
https://www.mathworks.com › matlabcentral › 11764-w...
WSQ image library reads and converts between WSQ and 31 other graphic file formats, it is small (~ 1.5 Megabyte) and fast, and has graphics format conversion ...Read more
Discussions and forums
How to generate WSQ file from fingerprint template in Android?
Stack Overflow ·
2 answers
· 6 years ago
How to generate WSQ file from fingerprint template in Android?
Stack Overflow ·
2 answers
· 6 years ago
How can I convert fingerprint jpg to WSQ use JMRTD WSQEncoder.encode
Stack Overflow ·
1 answer
· 5 years ago
How can I convert fingerprint jpg to WSQ use JMRTD WSQEncoder.encode
Stack Overflow ·
1 answer
· 5 years ago
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Web results
Wavelet scalar quantization
Wikipedia
https://en.wikipedia.org › wiki › Wavelet_scalar_quanti...
Wikipedia
https://en.wikipedia.org › wiki › Wavelet_scalar_quanti...
The Wavelet Scalar Quantization algorithm (WSQ) is a compression algorithm used for gray-scale fingerprint images. It is based on wavelet theory.Read more
Fast WSQ API Toolkit
Mentalix
https://mentalix.com › fast-wsq-api-toolkit
Mentalix
https://mentalix.com › fast-wsq-api-toolkit
The Fast WSQ API Toolkit enables developers to quickly add compression and decompression capabilities to custom fingerprint solutions.Read more