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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.
pngcrush is a free and open-source command-line utility for optimizing PNG image files. It reduces the size of the file losslessly – that is, the resulting "crushed" image will have the same quality as the source 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 ...
Image scaling can be interpreted as a form of image resampling or image reconstruction from the view of the Nyquist sampling theorem.According to the theorem, downsampling to a smaller image from a higher-resolution original can only be carried out after applying a suitable 2D anti-aliasing filter to prevent aliasing artifacts.
The following other wikis use this file: Usage on arz.wikipedia.org نيو يورك (ولايه) Usage on az.wikipedia.org Nyu-York; İstifadəçi:Elonizm/NYC
Love Amongst War (Chinese: 薛平贵与王宝钏) is a Chinese historical television series about the life of Xue Pinggui, a legendary hero in Chinese folklore, and based on the events in the Xiantong era of Emperor Yizong of the Tang dynasty. The series was written and produced by Jian Yuanxin, and directed by Lin Tianyi.