PNG compression Formats

Approximation or approximation - replacement of some other mathematical objects, in some sense similar to the original. Approximation allows us to study the numerical characteristics and quality properties of the object, reducing the problem to the study of simpler or more convenient objects (for example, such features are easily calculated or properties are already known). In the geometry considered by polygonal approximation of curves ...

This compression method usually creates the smallest file size, as compared to other standard graphics Formatami, with quality virtually indistinguishable from the original to the naked eye. JPEG does not allow to save a graphic file multiple layers of graphics, animation that is not available, but nothing prevents you from using Format MPEG and JPEG files to import it.

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