Global motion detection method based on joint transformation correlator
A technology of global motion and detection method, which is applied in the direction of using devices, instruments, and measuring devices that measure the time required to move a certain distance.
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[0036] According to the real-time correlation processing method described in the manual, the system is to be mounted on a motion imaging platform, and the structure of the joint transform correlator is required to be compact, and the size should not be too large. One optical path of the joint transform correlator can be integrated into a 30mmX30mmX290mm In a cuboid metal box, such as Figure 6 shown. Among them, the sampling CCD specification is 512X512 pixels, and the sampling frame rate can reach a high-speed CCD with a frame rate of 100 frames; the semiconductor laser with a wavelength range of 636nm to 641nm is selected. Due to the small size of the semiconductor laser, it is very suitable for compact structure requirements.
[0037] The SLM is implemented with a ferroelectric liquid crystal with a specification of 512X512 pixels and a refresh rate greater than 100Hz.
[0038] The focal length of the Fourier lens is determined by the pixel size of the detector and the wav...
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