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Advantage: Even though a GIF thumbnail image typically appears blurry, it can be instantly displayed as full-size, because it IS the full-size image in a compressed display. Some PNG files will no longer auto-upsize to widths larger than the original, without causing the image to become skewed and blurry.
For further advice on converting JPEG to PNG, see Wikipedia:How to reduce colors for saving a JPEG as PNG. Most of the maps on the CIA World Factbook website were coded as JPEG, but are now coded as GIF. To update these photos, download the GIF picture from the CIA Factbook, convert it into a PNG, and upload it to Wikipedia.
Download QR code; In other projects ... (1,464 × 488 pixels, file size: 982 KB, MIME type: image/png) ... From left: original, blurred image and deblurred image.
PNG was developed as an improved, non-patented replacement for Graphics Interchange Format (GIF)—unofficially, the initials PNG stood for the recursive acronym "PNG's not GIF". [ 6 ] PNG supports palette-based images (with palettes of 24-bit RGB or 32-bit RGBA colors), grayscale images (with or without an alpha channel for transparency), and ...
It could be a map, an illustration, a graphic, or even an animated gif. The SVG format is preferred for drawings and line-art illustration. The PNG format is preferred for non-vector graphic iconic images, including screenshots. The GIF format is used for animations, but not for static images.
The use of JPEG is discouraged, since it is a lossy compression format and so will result in a blurry map or diagram. The quality of GIF images is better than JPEG. GIF images allow for the creation of animations. PNG is a lossless, truecolor image format. It is good for all maps and particularly for maps with more than 256 colours.
The difference between a small and large Gaussian blur. In image processing, a Gaussian blur (also known as Gaussian smoothing) is the result of blurring an image by a Gaussian function (named after mathematician and scientist Carl Friedrich Gauss).
Computer-generated imagery (CGI) is a specific-technology or application of computer graphics for creating or improving images in art, printed media, simulators, videos and video games.