The "Lenna" image of Lena Söderberg used in many image processing experiments.
|Playboy centerfold appearance|
|Preceded by||Sharon Johansen|
|Succeeded by||Mercy Rooney|
31 March 1951 |
|Measurements||Bust: 34",86.4 cm
Waist: 26", 66 cm
Hips: 36", 91.4 cm
|Height||5 ft 6 in (1.68 m)|
|Weight||110 lb (50 kg; 7.9 st)|
Lena Söderberg (born 31 March 1951 in Sweden) appeared as a Playmate in the November 1972 issue of Playboy magazine, under the name Lenna Sjööblom. Her centerfold was photographed by Dwight Hooker.
In Woody Allen's 1973 comedy Sleeper, Woody's character Miles Monroe, after being cryogenically frozen for 200 years and revived, is asked to look at a series of 20th century artifacts. One of them is Söderberg's centerfold; Miles decides to keep it, to "study it and give you a full report."
A section of her centerfold (known as Lenna) is often used to test algorithms in digital image processing. She was a guest at the 50th annual Conference of the Society for Imaging Science and Technology in 1997 where she gave a presentation about herself. Because of the ubiquity of her Playboy photo scan, she has been called the "first lady of the internet".
The use of the test image at the magnet school Thomas Jefferson High School for Science and Technology in Fairfax County, Virginia, engendered a guest editorial by a student in The Washington Post in 2015 about its detrimental impact on aspiring female students in computer science. 
- "Playmate of the Month". Playboy Magazine. November 1972.
- Jamie Hutchison, "Culture, Communication, and an Information Age Madonna," IEEE Professional Communication Society Newsletter Vol. 45, No. 3, May/June 2001, PDF
- Imaging Experts Meet Lenna in Person
- BBC News
- Lenna's centerfold in the Playboy Archive, November 1972, pp 138-140(subscription required)
- A Complete Story of Lenna (with one new picture of her)
- The Lenna Story (contains a link to an un-cropped scan of the original Playboy photograph)
- A video artwork inspired by Lenna's story
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