It’s a photo of Lena. “Lenna or Lena is the name given to a standard test image widely used in the field of image processing since 1973. It is a picture of the

It’s a photo of Lena. “Lenna or Lena is the name given to a standard test image widely used in the field of image processing since 1973. It is a picture of the Swedish model Lena Forsén, shot by photographer Dwight Hooker, cropped from the centerfold of the November 1972 issue of Playboy magazine.” https://en.wikipedia.org/wiki/Lenna https://en.wikipedia.org/wiki/Lenna See also https://news.ycombinator.com/item?id=8707093 https://news.ycombinator.com/item?id=8707093 https://news.ycombinator.com/item?id=19181257 https://news.ycombinator.com/item?id=19181257 https://news.ycombinator.com/item?id=15670650 https://news.ycombinator.com/item?id=15670650