Lossless scaling is a method used to enlarge or cut back the scale of a picture with out shedding any of the unique information. That is in distinction to lossy scaling, which reduces the file measurement by eradicating a few of the information, leading to a decrease high quality picture. Lossless scaling is usually used for photos that should be enlarged for printing or different functions the place top quality is essential.
Lossless scaling is achieved by utilizing algorithms that protect all the authentic information within the picture. This may be executed by utilizing quite a lot of methods, reminiscent of bicubic interpolation or Lanczos resampling. These methods work by creating new pixels which can be interpolated from the unique pixels, guaranteeing that the ensuing picture is as near the unique as doable.
