Weak light image stochastic resonance reconstruction method and device based on cross modulation instability
A cross-modulation, stochastic resonance technology, applied in image acquisition, image enhancement, image data processing, etc., can solve the problems of loss of details, discrete image intensity modulation, etc., to achieve the effect of high feasibility and uniform intensity distribution
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[0035] An embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
[0036] Such as figure 1 As shown, a device for realizing the stochastic resonance reconstruction method of low-light image based on cross-modulation instability of the present invention includes an imaging light source 1, a beam splitter 2, a first mirror 3, an attenuator 4, a first lens 5, Ground glass 6, diaphragm 7, second lens 8, second reflector 9, beam combiner 10, photorefractive crystal 11 and CCD12; the imaging light source 1 is Nd: YAG laser, and the beam splitter 2 is 50 / 50 The beam splitter, the beam combiner 10 is a 50 / 50 beam combiner; the beam splitter 2 is located on the output light path of the imaging light source 1, and the beam combiner 10 is located at the transmission light of the image signal formed by the imaging beam imaging the target object On the road; the first mirror 3, the attenuating sheet 4, the first lens 5, the ground gl...
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