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2. Primatte chromakey technology - Wikipedia

   en.wikipedia.org/wiki/Primatte_chromakey_technology

   The Primatte chromakey algorithm is a method of color space segmentation, where Primatte segments all the colors in the foreground image into one of four separate categories. The result is a 'spill suppressed' foreground image and a matte which is used to apply the modified foreground to a suitable background. Primatte works in 3D RGB color space.

3. Chroma key - Wikipedia

   en.wikipedia.org/wiki/Chroma_key

   Chroma key compositing, or chroma keying, is a visual-effects and post-production technique for compositing (layering) two or more images or video streams together based on color hues (chroma range). The technique has been used in many fields to remove a background from the subject of a photo or video – particularly the newscasting , motion ...

4. Help : How to reduce colors for saving a JPEG as PNG

   en.wikipedia.org/wiki/Help:How_to_reduce_colors...

   Sometimes, you find a drawing or similar image useful for a Wikipedia article, that was saved as a JPEG but should have been saved as a PNG.JPEG is good for images where the color changes fluidly throughout the image, like in a photograph, whereas PNG files are good for images with relatively few colors, such as a drawing of a flag, a chart, or a map; note that sometimes SVG is better.

5. Personalize your background image, sounds, and toolbar ...

   help.aol.com/articles/personalize-your...

   Personalize your background image, sounds, and toolbar appearance in AOL Desktop Gold Access your settings to see several options that let you make it your own, such as updating the sounds that you hear, adjusting the colors used, and choosing from any of your own images or the vast Flickr library to personalize your background.

6. Change your emails font, format, hyperlinks, and more in AOL ...

   help.aol.com/articles/change-your-emails-font...

   Use the editor menu to change your font, font color, add hyperlinks, images and more. 1. Launch AOL Desktop Gold. 2. Sign on with your username and password. 3. Click the Write icon at the top of the window. 4. Click a button or its drop-down arrow (from left to right): • Select a font. • Change font size. • Bold font. • Italicize font.

7. Image editing - Wikipedia

   en.wikipedia.org/wiki/Image_editing

   Image sharpening: original (top), image sharpened (bottom). Another form of image sharpening involves a form of contrast. This is done by finding the average color of the pixels around each pixel in a specified radius, and then contrasting that pixel from that average color. This effect makes the image seem clearer, seemingly adding details.