Use the photo editor to adjust the color

adm

Subject:

[quote=eliu]<p>AndCamera photo editor can adjust the color of a photo.</p>
<p><span>Cyan:&nbsp;</span><span>G</span>+<span>B</span><br /><span>Magenta:&nbsp;</span><span>R</span>+<span>B</span><br /><span>Yellow:&nbsp;</span><span>R</span>+<span>G</span></p>
<p>white, grey ： R=G=B&nbsp;</p>
<h3>Under sunshine and&nbsp;bulb, photos are too yellow (R+G too high)</h3>
<ul>
<li>a: lower R+G, this reduce intensity</li>
<li>b: increase B, Use B to neutralize R+G, increase intensity and decrease yellow.</li>
<li>Use both a+b, it's possible to lower yellow without changing intensity.</li>
</ul>
<h3>Under shadow, photos are too blue (B too high)</h3>
<div>
<ul>
<li>a: lower B, this decrease intensity.</li>
<li>b: Increase R+G to neutralize B, this increase intensity.</li>
<li>Use a+b,&nbsp;it's possible to lower blue without changing intensity.</li>
</ul>
<div>
<h1><a href="https://play.google.com/store/apps/details?id=com.hyperrate.andcamera">AndCamera Google Play</a></h1>
<p>The first photo is too blue，-B,+R,+G</p>
<p><img title="photo too blue, needs adjustment" src="topic-files-dir/74/32574-ldThUqss0H/IMG_20160522_13443000[1].jpg" alt="photo too blue, needs adjustment" /><img title="photo after reducing blue" src="topic-files-dir/69/32569-GtODtZ_DFM/IMG_20160522_1344300000[1].jpg" alt="photo after reducing blue" /></p>
<p>The photo is too yellow, -R,-G, +B</p>
<p><img title="photo too yellow, need adjustment" src="topic-files-dir/74/32574-ldThUqss0H/IMG_20160521_15215123[1].jpg" alt="photo too yellow, need adjustment" /><img title="photo after adjustment" src="topic-files-dir/73/32573-lrRMv8vO2P/IMG_20160521_1521512301[1].jpg" alt="photo after adjustment" /><br /><a href="https://play.google.com/store/apps/details?id=com.hyperrate.andcamera&amp;utm_source=global_co&amp;utm_medium=prtnr&amp;utm_content=Mar2515&amp;utm_campaign=PartBadge&amp;pcampaignid=MKT-Other-global-all-co-prtnr-py-PartBadge-Mar2515-1"><img src="https://play.google.com/intl/en_us/badges/images/generic/en-play-badge.png" alt="Get it on Google Play" width="256" /></a><span>&nbsp;</span><a href="https://play.google.com/store/apps/details?id=com.hyperrate.andcamera">AndCamera Google Play</a></p>
</div>
</div>[/quote]

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