|Example of a histogram match using USGS DOQs. The image on the left is a composite of 4 different DOQs. Each DOQ has a different radiometry. The image on the right is the output from orthoigen using a histogram match.|
OSSIM provides histogram-based color enhancement options to change the output of your data based on a histogram file. Histogram operations include:
- Auto Automatically adjust the histogram based on the min and max histogram values.
- Match Automatically adjust the histogram to match another image.
- Linear Linear contrast stretch using a standard deviation from the mean (e.g. 1, 2, or 3) or a user defined min/max value.