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  2. Transparency (graphic) - Wikipedia

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

    Transparency (graphic) GIF animation of an Apollonian sphere packing with transparent background. Transparency in computer graphics is possible in a number of file formats. The term "transparency" is used in various ways by different people, but at its simplest there is "full transparency" i.e. something that is completely invisible.

  3. 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] It is often useful to render picture ...

  4. PNG - Wikipedia

    en.wikipedia.org/wiki/PNG

    A PNG file contains a single image in an extensible structure of chunks, encoding the basic pixels and other information such as textual comments and integrity checks documented in RFC 2083. [7] PNG files have the ".png" file extension and the "image/png" MIME media type. [8] PNG was published as an informational RFC 2083 in March 1997 and as ...

  5. Wikipedia:Upload/Replace this image - Wikipedia

    en.wikipedia.org/.../Replace_this_image

    DO NOT USE THIS FORM FOR IMAGES FOUND SOMEWHERE ON THE INTERNET OR CREATED BY SOMEONE ELSE. If you are prepared to do this,and are logged in to your Wikipedia account, click here. Before you can upload images you will need to register an account. Only use this if you hold the copyright on the image. Otherwise, please go here. Category ...

  6. Digital on-screen graphic - Wikipedia

    en.wikipedia.org/wiki/Digital_on-screen_graphic

    A digital on-screen graphic, digitally originated graphic (DOG, bug, [1] network bug, or screenbug) is a watermark-like station logo that most television broadcasters overlay over a portion of the screen area of their programs to identify the channel. They are thus a form of permanent visual station identification, increasing brand recognition ...

  7. Image editing - Wikipedia

    en.wikipedia.org/wiki/Image_editing

    Image editors can change the pixels to enhance the image in many ways. The pixels can be changed as a group or individually by the sophisticated algorithms within the image editors. This article mostly refers to bitmap graphics editors, which are often used to alter photographs and other raster graphics. However, vector graphics software, such ...