A DMD-based imaging preprocessing device and method
An imaging and pixel technology, applied in the field of DMD-based imaging preprocessing systems, to achieve the effects of enhancing adaptability, solving ambient lighting and field of view self-defects, and increasing the gray scale index
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[0048] Such as figure 1 As shown, the CCD 1 with a resolution of 768×576 is selected, and the pixel size of an 8-bit single CCD 1 is 8.3×8.3 μm; the resolution of a DMD 3 is selected to be 684×608, and the pixel size of a single DMD is 7.6×7.6 μm ;Adjust the paraxial magnification of the first lens group 2 to 0.91, adjust the relative position of CCD 1 and DMD 3 vertically and horizontally to achieve precise one-to-one pixel matching, and build an imaging pre-processing system based on DMD with an effective pixel of 200,000 ; In the imaging of the corresponding relationship between CCD 1 and DMD 3, select 46 sampling points on the checkerboard to calculate the transformation matrix:
[0049] W 2 = - 0.3776 - 0.3745 99.9922 - 0.7531 ...
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