The end result is a well-balanced image. Other enhancements use complex mathematic functions to improve the image. Digital images can be compressed to reduce the size of the file. It is lossless because the image, when restored, will be identical to the original. Lossy compression, by definition, permanently loses some information.
Most systems allow some type of compression.
Digital radiographs have several other advantages. They can be duplicated with no loss of quality. The ability to measure files for working length has been studied. Both digital systems were unacceptably inferior to E-speed film images when size 10 files were used, but rendered a comparable results when size 15 files were used. There was no significant difference once the lesion was in cortical bone.