The published Natural image examples show that positional and Gaussian mappings recover sharper high-frequency detail than no mapping or the basic low-frequency mapping, which appear blurred or oversmoothed. · CiteArk
The published Natural image examples show that positional and Gaussian mappings recover sharper high-frequency detail than no mapping or the basic low-frequency mapping, which appear blurred or oversmoothed.
来源:paper:Figure 15, physical p. 22; Figure 1(b), p. 2; §6.2 p. 8