Changes between Version 7 and Version 8 of histogram_operations
- Timestamp:
- Oct 19, 2010, 5:00:37 PM (14 years ago)
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histogram_operations
v7 v8 1 1 = Histogram Operations = 2 3 4 {{{ 5 #!html 6 <table align="right" width="350"><tr> 7 <td><img style="padding-left:15px;" src="/ossim/raw-attachment/wiki/histogram_operations/histogram_match.jpg" border="0" /></td> 8 </tr> 9 <tr><td style="padding-left:15px;font-size: 8pt; font-family: 'Lucida Grande',Geneva,arial,helvetica,sans-serif; 10 ">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 histogram match.</td></tr> 11 </table> 12 }}} 13 2 14 3 15 OSSIM provides histogram-based color enhancement options to change the output of your data based on a histogram file. Histogram operations include: … … 7 19 * '''Linear''' Linear contrast stretch using a standard deviation from the mean (e.g. 1, 2, or 3) or a user defined min/max value. 8 20 9 Here's an example of a histogram match:[[BR]] 10 [[Image(histogram_match.jpg)]] 21 Note that histogram operation operations require an input image and a corresponding histogram file ("*.his"). The histogram file can be generated using [wiki:create_histo ossim-create-histo] or [wiki:img2rr ossim-img2rr]. 22 11 23 12 24 === Related Applications ===