Multi-charge coupled device group self-adaptive imaging method of cambered optical structure
A coupling device and optical structure technology, applied in signal generators with multiple pick-up devices, closed-circuit television systems, picture signal generators, etc., can solve the problems of limited lighting conditions, difficulty in popularization, and high cost
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[0056] The invention designs an adaptive imager with multiple charge-coupled device groups with a curved surface optical structure. The main hardware devices include three ordinary color CCD cameras, two DSP digital signal processing chips TMS320DM642 and TMS320VC5510 with powerful and fast computing capabilities, programmable video signal processor SAA7111A and electric erasable memory chip E2PROM.
[0057] The model of the CCD is 3209A. This camera has two systems: PAL system and NTSC, and the resolutions are 500×582 and 510×429 respectively. The PAL system is adopted in the present invention, and the size of the lens is 38mm×38mm. The obtained ommatidium images had a resolution of 500 × 582. as attached figure 1 As shown, the three CCDs are tightly bundled together and attached to a curved surface with a radius r to simulate the three ommatidia in the compound eyes of insects. The angle between the optical axes of each two adjacent ommatidia is θ≈artsin(D / r). Constitut...
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