Multispectral light-field camera
A light field camera and imaging method technology, applied in the field of spectral imaging, can solve the problems of complex mechanical structure of the instrument, inability to detect real-time delay, low reliability and stability, etc., and achieve the effect of stable system structure
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[0026] Taking the 2×2 filter array 1 as an example, the present invention will be further described in detail.
[0027] combine figure 1 , the multi-spectral light field camera of the present invention includes a filter array 1, an imaging main lens 2, a microlens array 3, a combination sub-lens 4, a detector 5 and a signal processing system 6 arranged in sequence along the optical path direction, wherein the combination sub-lens The lens 4 includes a first lens 41 and a second lens 42 arranged in sequence along the optical path direction, and the combined sub-lens 4 transfers the rear focal plane of the microlens array 3 to the target surface of the detector 5 twice; the optical filter Array 1 is composed of 2×2 coplanar filters of different wavelength bands. All the filters have the same size. Starting from the upper left, along the clockwise direction, there are filters LA with a waveband of 400-450nm, and a waveband of The optical filter LB of 450-500nm, the optical filte...
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