Contrary to what you might think , this photo was not snapped over the weekend using Instagram ’s Valencia filter . It ’s known as Lenna andas Motherboard points out , it ’s one of the oldest , most widely used trial movie used for all sort of image processing algorithms .
They wanted something calendered to ensure good turnout dynamical range , and they wanted a human face . Just then , somebody hap to take the air in with a recent government issue of Playboy . The railroad engineer tore away the top third of the centerfold so they could wrap it around the drum of their Muirhead wirephoto scanner , which they had outfitted with analog - to - digital converters ( one each for the red , green , and disconsolate channels ) and a Hewlett Packard 2100 minicomputer . The Muirhead had a fixed resolution of 100 production line per column inch and the engineers wanted a 512×512 image , so they specify the scan to the top 5.12 inches of the picture , in effect browse it at the study ’s shoulder .
So there you have it . The picture is not just memorable because it ’s of a foxy — in all probability naked but you ca n’t secernate because it ’s cropped — lady . It ’s also an important piece of digital history . [ IEEEviaVice ]
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