How do I save/load image in WSQ format in .NET?
IDKit SDK and ExpressID AFIS forced image format to PNG when saving in IDKit/AFIS database until version 2.24. From this version user programmer can choose ...
Wed, 9 Sep, 2015 at 9:22 AM
How can I use IDKit from within database triggers?
You will need to call either C API or .NET API of IDKit PRO SDK (part of ExpressID AFIS) from the trigger. Most databases allow you to do it. Look in docume...
Wed, 9 Sep, 2015 at 9:22 AM
Is it possible to add user data fields in the fingerprint database?
Yes. See tags and custom data string concepts in IDKit PRO SDK documentation.   
Wed, 9 Sep, 2015 at 9:22 AM
Will IDKit SDK and ExpressID AFIS run on my Linux distribution?
Currently we provide Debian Linux builds (32/64-bit) and RedHat Enterprise Linux builds (only 64bit) of IDKit SDK and ExpressID AFIS on our crm site (
Thu, 17 May, 2018 at 12:47 PM
Registrations are very slow with SQLite beyond few thousand records
Please turn off image storage by setting IDKit.StoreImages to false. You are probably trying to create database file around or over 1GB in size. SQLite has ...
Wed, 9 Sep, 2015 at 9:22 AM
How do I connect to SQL Server from IDKit Java connector?
IDKit Java Connector is able to connect to SQL Server. You need to setup ODBC DSN in Windows Control Panel. Then you pass odbc connection string to
Wed, 9 Sep, 2015 at 9:23 AM
Why does it take longer to search 100 10-fingerprint users than 1000 1-fingerprint users?
This might be caused by missing finger positions in either enrolled user or the probe user. If fingerprints are registered with position "unknown"...
Wed, 9 Sep, 2015 at 9:23 AM
I only get one result (candidate) from identification function (IDKit.Find(), IEngine_FindFingerprint etc. )
For .NET   :  Set IDKit.CandidatesCount to the desired number of returned search results.    For C++     : Use this function  -  IEngine_SetParameter( CFG...
Wed, 9 Sep, 2015 at 9:23 AM
We cannot run IDKit.Find and User.Add in parallel. They are blocking on Innovatrics.IEngine.WriteLock(ReaderWriterLock)
Indeed there is a bottleneck. IDKit.Find locks structure of all User objects so that fingerprints cannot be added/removed while some identification is in pr...
Wed, 9 Sep, 2015 at 9:23 AM
I am getting exception "The specified module could not be found. (Exception from HRESULT: 0x8007007E)"
This sometimes happens when some DLL is missing. Make sure that appropriate DLLs are either in system folders or in the same folder where your application i...
Wed, 24 Feb, 2016 at 3:46 PM