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m Signing comment by Versatranitsonlywaytofly - "→Reviving my real HDR algorithm: " |
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::But I tell you secret, that average is calculated using only 16 textures centers (pixels) or less likely variant, that each sixteen pixel on screen (width*height/16). So still no so very real average and the slower adaptation, the better. So best of all to use maximum of all 16 pixels and maximum of this pixel all channels RGB instead average and then it will go perfectly in all algorithms. If color=230/255=0.9, colormax=230/255=0.9, then:
::1) <math>final.rgb=0.9^{1/(2-0.9)}/0.9=0.9^{1/1.1}/0.9=0.90866/0.5=1.009624247;</math> or 257.454=>255; 0.5<colormax<1;
::2) <math>final.rgb=0.9/0.9=1;</math> or 255. <small><span class="autosigned">— Preceding [[Wikipedia:Signatures|unsigned]] comment added by [[User:Versatranitsonlywaytofly|Versatranitsonlywaytofly]] ([[User talk:Versatranitsonlywaytofly|talk]] • [[Special:Contributions/Versatranitsonlywaytofly|contribs]]) 22:59, 12 December 2011 (UTC)</span></small><!-- Template:Unsigned --> <!--Autosigned by SineBot-->
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