To explain Lenna's popularity, David C. Munson, editor-in-chief of IEEE Transactions on Image Processing, noted that it was a good test image because of its detail, flat regions, shading, and texture.
While Playboy often cracks down on illegal uses of its material and did initially send out notices to research publications and journals that used the image,[REF] over time it has decided to overlook the wide use of Lena.