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Knowledge base
General FAQ
Biometrics
28
How does image DPI affect error rates?
Why does verification return different score when fingerprints are compared the other way round?
How can I use IDKit templates in other software?
Do you support ANSI/NIST ITL-2000 standard?
What is the meaning of quality returned by IEngine_GetFingerprintQuality?
View all 28
Licensing
35
What hardware components are included in hardware ID?
How can I upgrade/downgrade the software?
Where can I find older versions of the software?
License data doesn’t have expected length
Where is license file located?
View all 35
Other
4
Fingerprint scanning
Obsolete IScanners SDK
Support of UWP framework
How to get the best answer from our Innovatrics Support Team
Innovatrics SDKs
Enviroment issues
4
System.BadImageFormatException
Missing libusb dependency
System.DllNotFoundException: Unable to load DLL 'libgdiplus'
How can I check the dependencies of a dynamic library?
IDKit SDK
73
Does IDKit return the best matching user or the first matching user?
How do I export/import single fingerprint template from user record (user template) that contains multiple fingerprints (fingerprint templates)?
How does IDKit handle ambiguity?
How do I join multiple single fingerprint templates into one user record (user template)?
What is the general error rate that can be expected from IDKit?
View all 73
ANSI and ISO SDK
12
What's the difference between IDKit SDK and ANSI&ISO SDK?
Do you support ISO/IEC 19794-2 templates?
How fast is the matching procedure with ANSI/ISO SDK?
Difference between probe and gallery template
Why do I get different score depending on which way I compare templates?
View all 12
Segmentation SDK
4
NFIQ score (NIST Fingerprint Image Quality)
Real-time capture and NFIQ qaulity
Can your SDK calculate NFIQ quality score?
Initialize Segmentation SDK with a custom license file
Mobile and Embedded SDKs
2
How to generate HW license for IDKit Embedded SDK?
Bitmap to RAW conversion in Android
IFace
10
IFace SDK multi-GPU processing
IFace SDK GPU processing limitations
IFace SDK matching score threshold
IFace draw face rectangle
Initialize IFace SDK with a custom license file
View all 10
Innovatrics ABIS
ExpressID AFIS Single Server (Deprecated)
4
I have deleted database file and restarted Matcher/Dispatcher, but the fingerprints are still there
ExpressID AFIS starts up very slowly when connected to large database
"Invalid template or unsupported template format." error querying ExpressID AFIS
IMatcher or IDispatcher database error
WebAFIS
0
General ABIS
23
ABIS on SPARC
Performance decrease of ABIS in VM environment
How many servers can I loose and still provide a service in HA cluster?
How many templates can be handled by Innovatrics ABIS?
AMQ message processing is very slow
View all 23
DOT
General DOT
2
Do these components have any specific requirements on the infrastructure/libraries?
Is Docker a must or can the app also be packaged as a regular WAR?
DOT Mobile
3
On which platforms can I run DOT Mobile?
Does DOT mobile run on every platform?
Do you provide sample code for DOT Mobile?
DOT Server
3
How can I start quickly a Proof of Concept (PoC) with DOT?
What’s the {{server}} variable on Postman?
I need to increase the throughput or latency of the services, what can I do?
DOT OCR
3
Which kinds of identification documents can I use?
I need to a specific document type that is not yet available
I’ve installed the DOT OCR Server as documented, however it says, ‘model can’t be found’.
DOT Licensing
4
What do I need to license my mobile application?
What do I need to license my server instances?
What’s the cost of the licenses?
My server doesn’t start, it says, license not found.
Smartface
Installation
2
Why the services failed to install/register?
Why in prerequisities installer is only .NET Framework enabled?
Cameras and Streams
1
Why video stream or other visual components are not visible in SF GUI?
GUI
0
General Smartface
7
Streams are not working / Matching does not work / Faces are not appearing in Recent faces
Why does SmartFace have many false detections?
How can I lower the CPU/GPU resource utilization for real-time video processing?
What is the maximum watchlist gallery size for succesfull face identification?
What is the minimum face image quality for the succesfull face identification?
View all 7