H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 9/79 (2006.01) H04N 7/18 (2006.01) H04N 17/00 (2006.01)
Patent
CA 2578453
A security camera and an image, within the camera's field of view, of a test pattern, containing color elements and grayscale elements having known predetermined spectrophotometrical values and resolution elements. After taking images at a scene, which will contain both scene images and images of the test pattern , and when subsequently reproduced accurately the elements will produce electronic signals that are detectable on measuring equipment well-known to the trade, such as vectorscopes and waveform monitors. Adjustments and corrections can then be made to the images of a scene, based on those readings. A method of adjusting and correcting images using the test pattern is also disclosed.
Corley Ferrand D.e.
Rolston George A.
LandOfFree
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