Alpha Channel

基本解釋

Of course you can do better with the corresponding slider, but with this technique we can change every Map To channel - not just Alpha.
當然你可以使用相關的滑塊作的更好，但使用這個技術我們可以修改通道的每個映射-而不僅僅是Alpha。
We couldn't manage this aspect during post production, because there would have been lot of problems with alpha channel on the leaves of the background trees.
在后期制作中我們不能達到這一點，因為在背景樹的樹葉上阿爾法通道會出現很多問題。
He also remarked WebP’s lack of some features such as color representation “other than 4:2:0 YCrCb”, “EXIF data and ICC color profiles”, and alpha channel support, which is also not supported by JPEG.
他還認為WebP缺乏某些特性，如除“4:2:0 YCrCb”之外的色彩表示、“EXIF數據和ICC色彩描述”、Alpha通道——不過JPEG也不支持這些特性。

Others may need medications like calcium channel blockers, alpha-blockers, or vasodilators, all of which open up the blood vessels in various ways and increase circulation.
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