Pyrocam IV Operator’s Manual Document No. 50337-001 Rev F 2/21/2017 Page 14
Click on the expansion button to enter the Gain Correction Dialog. In order to use the
automatic GC creation method, a uniform collimated illumination must be applied over the
entire imager. Clicking on the Create Gain Table button will then compute a
normalization factor for each pixel. To GC a single pixel, a manual method is provided for
setting the correction factor of only one pixel at a time.
The X and Y values show the current pixel location of the cursor. This setting selects which
pixel can be adjusted using the manual method.
The Save and Load group allows you to save and retrieve a GC table text file.
Software Gain Correction
Enable/disable the built in software gain correction. Defaults enabled when a gain table is
present.
Create Gain Table
Click to automatically create the table of gain correction values. Uniform collimated
illumination of the imager is required to successfully perform this operation. Note: The
gain correction factor values are limited to the range 0.50 to 2.00. This applies to both
manually entered and automatically calculated factors. Since bad pixels cannot normally be
corrected within this range it is necessary to map the bad pixels before attempting to run
the automatic create gain correction utility described above.
Write Flash
Click to write the gain correction values to the camera. Gain correction changes will not
take effect until the revised value is written into the flash EEPROM of the Pyrocam.
Read Flash
Click to read the gain correction values from the flash.
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