Image shift detecting and imaging system based on optical joint transform correlator
A joint transformation and imaging system technology, applied in the optical field, can solve the problems of image signal-to-noise ratio reduction, position interference, and affecting centroid accuracy
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[0031] see figure 1 , the present invention provides an image motion detection imaging system based on an optical joint transform correlator, including a laser collimator 1, an amplitude-modulated transmissive spatial light modulator 2, a phase-modulated reflective spatial light modulator 3, and a Fourier transform lens 4 and a CCD camera 5; a laser collimator 1, an amplitude modulation transmissive spatial light modulator 2, a phase modulation reflective spatial light modulator 3, a Fourier transform lens 4 and a CCD camera 5 are sequentially located in the same optical path.
[0032] The image motion detection imaging system based on the optical joint transform correlator provided by the present invention also includes a digital processing unit connected to the CCD camera 6, and the digital processing unit is used to implement digital Fourier transform and perform image motion calculation.
[0033] The image motion detection imaging system is characterized in that: (1) first...
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