7. Latest developments
At present, the race for speed that began a good ten years ago for all-digital technology is dominated by CCD cameras with on-site storage for the "mega-fast" part, in excess of one million images per second. For more conventional cameras with CMOS sensors, the trend is towards speeds of 30,000 fps, with cameras equipped with "large" pixels (> 20 µm) or even covered with microlenses (figure 18 ).
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Bibliography
Websites
UNIT (Université numérique en ingénierie et technologie), OPI (optique pour l'ingénieur) course "M7G4 Fundamentals of image sensors", http://optique-ingenieur.org/fr/cours/OPI_fr_M05_C06/co/OPI_fr_M05_C06_web.html SD association (page consulted March 2015)
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Standards and norms
- Standard for Characterization of Image, Sensors and Cameras, Release 3.0, Issued by European Machine Vision Association. - EMVA Standard 1288 - Nov 29, 2010
- Photography – Digital still cameras – Determination of exposure index, ISO speed ratings, standard output sensitivity, and recommended exposure index. - ISO 12232 - 2006
Patents
YAMADA, Shigeru, TSUJI, Masataka, and MITSUI, Kenji. High speed imaging apparatus. U.S. Patent N° 5, 412, 422, May 2, 1995.
ACIU, Alexandru V., POP, Petru, and CORLAN, Radu. High-frame rate image acquisition and motion analysis system. U.S. Patent N° 5, 625, 412, Apr. 29, 1997.
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