OV13850_R2A Calibration and OTP Programming Guide
Content
1.1 Lens Correction Calibration........................................................................................................4
1.1.1 Module to module Variation of Lens shading and Color shading......................................4
1.1.2 Shading Variation Under Different Color Temperature......................................................6
1.1.3 Lens Correction Calibration Method..................................................................................6
1.1.4 Lens Correction Calibration Operation Procedure.............................................................7
1.2 White Balance Calibration.......................................................................................................11
1.2.1 Variation of Sensor/Lens/IR Color Response...................................................................11
1.2.2 Method of White Balance Calibration.............................................................................11
1.2.3 Operation Procedure of White Balance Calibration........................................................12
1.3 VCM Calibration.......................................................................................................................13
1.3.1 Variation of VCM .............................................................................................................13
1.3.2 VCM Calibration Method.................................................................................................14
2.1 OV13850_R2A OTP Structure..................................................................................................14
2.2 OV13850_R2A OTP Assignment for Calibration Data..............................................................15
2.3 MID and Lens ID number for OV13850_R2A...........................................................................23
2.4 Procedure of OV13850_R2A Read and Program OTP Content................................................25
2.4.1 Check OTP Group.............................................................................................................25
2.4.2 Program Calibration Data to OTP.....................................................................................26
2.4.3 Read Calibration Data from OTP......................................................................................26
3.1 Uniformity analysis tools – CameraAnalyzer.exe.....................................................................28
3.2 OTP Read/Program tools – OTP_Tool.exe................................................................................29
3.3 Lens correction calculation library for calibration-- LC.library.................................................30
3.4 OTP Apply Driver Sample Code(**).........................................................................................30
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