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Over the last half century, photography has evolved from photochemical reactions induced on a photosensitive film to optoelectronic devices employed in digital image. Video has done the same migration from classical film movies to optoelectronic acquisition and storage. Digital and video cameras share optics with traditional film cameras, but the image recording is realized by an optoelectronic device -a CCD or CMOS sensor-rather than a film. The quantity of digital photo and video images hasdoi:10.7149/opa.53.1.51040 fatcat:4ooqgfimjzfoxg5ylfc5ks5wq4