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Introduction
The Demo Headboard Tuning tool is used to program a sensor headboard's EEPROM with Lens Shading Correct (LSC) coefficients to ensure image quality. The resulting settings are also stored in an INI file.
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Once a good image is shown in DevWare, the Demo Headboard Tuning tool can be started. To launch it, select "Demo Headboard Tuning" from the "Plug-ins" menu item (see Image #1):
Usage
Lens Calibration is used to describe the process of generating lens shading correction (LSC) coefficients (see Image #2). The resulting settings can then be loaded in the EEPROM and/or stored in a file.
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Possible causes and resolutions of Color Uniformity failures are:
- Dust on the sensor; this will be indicated by one or several randomly situated red square. It may be possible to clean the sensor and run Lens Calibration again.
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- The lens may be misaligned; this will be indicated by red squares situated on a single edge of the display. In some cases the lens can be adjusted.
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- Good Color Uniformity is less than value may be too low for the given sensor; this will be indicated by red squares covering most of the image. Note that a value of 2.00 is based on evaluation and measurement of human perception to image quality, so increasing this value may resolve the Color Uniformity error but will result in overall lower image quality.
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