Lossless scaling is a way used to enlarge or cut back the scale of a picture with out dropping any of the unique knowledge. That is in distinction to lossy scaling, which reduces the file dimension by eradicating a few of the knowledge, leading to a decrease high quality picture. Lossless scaling is usually used for photographs that should be enlarged for printing or different functions the place prime quality is vital.
Lossless scaling is achieved through the use of algorithms that protect all the unique knowledge within the picture. This may be achieved through the use of quite a lot of methods, akin to bicubic interpolation or Lanczos resampling. These methods work by creating new pixels which are interpolated from the unique pixels, making certain that the ensuing picture is as near the unique as doable.
