<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><meta http-equiv="Content-Type" content="text/html charset=utf-8" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class=""><br class=""></div><div class="">Greetings,</div><div class=""><br class=""></div><div class="">I am struggling to match histograms for various US states NAIP 1-meter aerial photography.</div><div class=""><br class=""></div><div class="">It appears that each state shown here has been equalized for each individual state except for Nevada and Arizona.</div><div class=""><br class=""></div><div class="">I have tried using r.rescale.eq with many different parameters but I cannot really get Nevada and Arizona to roughly match the intensities of the rest of the states. It is difficult to guess values that match because the images are quite large and when I attempt to use a thumbnail (say at 50m resolution), the parameters used for the 50m thumbnail don’t match when using the full resolution image.</div><div class=""><br class=""></div><div class="">Can anyone recommend how I might be able to get the histograms to match?</div><br class=""><div class=""><img apple-inline="yes" id="8D84A48B-D3EF-4707-8AD3-0BBE126A775D" class="" src="cid:76076D4A-D66B-4F8F-BE24-89EE5347F098@netgear.com"></div><div class=""><br class="webkit-block-placeholder"></div><div class=""><br class=""></div><div class="">Thanks,</div><div class=""><br class=""></div><div class=""><div class="">Jeshua Lacock<br class="">Founder/Engineer<br class=""><<a href="http://3dtopo.com/" class="">3DTOPO.com</a>><br class=""><a href="http://glassprinted.com/" class="">GlassPrinted.com</a><br class=""></div><br class=""></div></div></body></html>