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  2. Transparency (graphic) - Wikipedia

    en.wikipedia.org/wiki/Transparency_(graphic)

    This image shows the results of overlaying each of the above transparent PNG images on a background color of #6080A0. Note the gray fringes on the letters of the middle image. This shows how the above images would look when, for example, editing them. The grey and white check pattern would be converted into transparency.

  3. Wikipedia:Blank maps - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Blank_maps

    Image:usa-state-boundaries-4000-transparent.png – USA state outlines, true positions, 4000 px wide, black on transparent Sub-national Image:Map of Florida.png – County boundaries shown.

  4. Category : Images that should have transparent backgrounds

    en.wikipedia.org/wiki/Category:Images_that...

    The images would be better with a transparent background. Please tag images with {} if they ... New York Young Republican Club Logo.png 321 × 311; 126 KB.

  5. Alpha compositing - Wikipedia

    en.wikipedia.org/wiki/Alpha_compositing

    A color spectrum image with an alpha channel that falls off to zero at its base, where it is blended with the background color.. In computer graphics, alpha compositing or alpha blending is the process of combining one image with a background to create the appearance of partial or full transparency. [1]

  6. PNG - Wikipedia

    en.wikipedia.org/wiki/PNG

    5.01 prints palette images with black (or dark gray) backgrounds under Windows 98, sometimes with radically altered colors. [81] 6.0 fails to display PNG images of 4097 or 4098 bytes in size. [82] 6.0 cannot open a PNG file that contains one or more zero-length IDAT chunks. This issue was first fixed in security update 947864 (MS08-024).

  7. Image file format - Wikipedia

    en.wikipedia.org/wiki/Image_file_format

    The PNG file format supports 8-bit (256 colors) paletted images (with optional transparency for all palette colors) and 24-bit truecolor (16 million colors) or 48-bit truecolor with and without alpha channel – while GIF supports only 8-bit palettes with a single transparent color. Compared to JPEG, PNG excels when the image has large ...

  8. Chroma key - Wikipedia

    en.wikipedia.org/wiki/Chroma_key

    A background with a repeating pattern alleviates many of these issues, and can be less sensitive to wardrobe colour than solid-colour backdrops. [19] There is some use of the specific full-intensity magenta colour #FF00FF in digital colour images to encode (1-bit) transparency; this is sometimes referred to as "magic pink". [20]

  9. Visual cryptography - Wikipedia

    en.wikipedia.org/wiki/Visual_cryptography

    Each component image has a pair of pixels for every pixel in the original image. These pixel pairs are shaded black or white according to the following rule: if the original image pixel was black, the pixel pairs in the component images must be complementary; randomly shade one , and the other .