What Does Lenna Mean?

Lenna is IT shorthand for a picture of model Lena Soderberg that has often been used to test image processing systems. The use of this image has endured in image processing experiments, despite some controversy over its use.

Techopedia Explains Lenna

Many attribute the emergence of “Lenna” to the efforts of an assistant professor of electrical engineering at the University of Southern California in 1973, where the assistant professor, a graduate student and a lab manager arbitrarily used a Playboy magazine page to scan onto a Hewlett-Packard 2100 minicomputer.