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2. Iris recognition - Wikipedia

   en.wikipedia.org/wiki/Iris_recognition

   Iris recognition biometric systems apply mathematical pattern-recognition techniques to images of the irises of an individual's eyes.. Iris recognition is an automated method of biometric identification that uses mathematical pattern-recognition techniques on video images of one or both of the irises of an individual's eyes, whose complex patterns are unique, stable, and can be seen from some ...

3. Image scanner - Wikipedia

   en.wikipedia.org/wiki/Image_scanner

   Alexander Murray and Richard Morse invented and patented the first analog color scanner at Eastman Kodak in 1937. Intended for color separation at printing presses, their machine was an analog drum scanner that imaged a color transparency mounted in the drum, with a light source placed underneath the film, and three photocells with red, green, and blue color filters reading each spot on the ...

4. Lide - Wikipedia

   en.wikipedia.org/wiki/Lide

   Lide can refer to: A historical name in the southwest of England for the month of March -lide , a chemistry suffix indicating an sp-hybridized carbanion ionically linked to a metal