H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 5/335 (2006.01)
Patent
CA 2157755
An electronic imaging system is disclosed which provides a very high level of sensitivity to enable imaging of biological and chemical specimens at low light levels. The system includes an integrating cooled CCD camera which has an image intensifier coupled thereto. With the present invention, light from the specimen is amplified by the intensifier, and the amplified light is integrated onto the cooled CCD camera over a period of time lasting for at least one second. At the end of the integration period, the camera is read out to a dedicated controller or imaging apparatus to create a digital image of the specimen. Frame averaging can be used within the imaging apparatus or controller, to improve the signal to noise ratio and increase the dynamic range of the camera. In addition, shading correction can be applied to remove spatial variations in camera sensitivity, to provide a homogeneous image background.
Ramm Peter
Riches Mckenzie & Herbert Llp
LandOfFree
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