By calculating the deviation exactly and forcing a single-color image, we can easily extract objects. The result is almost there, but it's not enough when precision is needed. But I don't think it is the case for this question.Ī note on why some plugins and other approaches proposed here don't work: they rely on some sort of threshold to determine which colors to exclude. If you have existing alpha values in the image, you can blend the alphas together. Select the image background, you’ll now be able to separate your. Next, click on the Eyedropper tool in the toolbar. Same result, right To do this, choose a color with Alpha of 0. It works with color images and other color pairs as well, but obviously the result is much different. From the toolbar, choose Color 2 and select a background color for your image. To delete it You can make it dissappear by drawing over it with a transparent color. As a result you should see your logo perfectly extracted and blended from the white background. A variant of this is to use the 'paint-bucket' fill tool (in Paint.Net) Select a primary or secondary color: F8 to open the color tool More > to see Opacity - Alpha (lower right corner) Set opacity to 0 for transparent Paint-bucket to fill (make it transparent or semi-transparent as you choose) Effects > Replace colors is another way. ![]() The plugin calculates deviation from a single RGB color, which in your case should be solid black, and applies that deviation as alpha channel variation to a solid image of the chosen color. I wrote it after struggling with this myself and finding the otherwise excellent plugins in thdoan's answer lacking in this regard. This Paint.NET plugin is created specifically for the problem: Deviation to alpha. Comments Image > Canvas Color > Transparent, followed by Save As > PNG > Options > Select PNG + Transparency (this doesnt always appear in the list of.
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