pseudo-couleursvraies couleurs codage indexé vraies couleurs codage direct
résolution spatiale 100 x x x x 200
résolution en intensité 2 NG 4 NG256 NG 8 NG
Lena Sjööblom, Playboy's Miss November In the early Seventies, an unknown researcher at the University of Southern California working on compression technologies scanned in the image of Lena's centerfold. Since that time, images of the Playmate have been used as the industry standard for testing ways in which pictures can be manipulated and transmitted electronically. Over the past 25 years, no image has been more important in the history of imaging and electronic communications.