Holographic coding method based on neural network
A technology of neural network and coding method, which is applied in the direction of neural learning method, biological neural network model, neural architecture, etc., can solve problems such as the inability to realize complex amplitude light field reconstruction, lack of complex amplitude modulation devices, and low quality holograms, and achieve Effects of improving computing speed, reducing computing times and data storage capacity, and improving computing efficiency
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Embodiment 1
[0098] The target complex amplitude is decomposed into two channel information according to the real part and the imaginary part, which is used as the input of the neural network. And use the same method to process the training data set to train the ResNet network structure, and the target output is the phase holographic encoding result. After the phase-type holographic encoding result is obtained through network calculation, it is loaded onto the phase-type spatial light modulator Holoeye Pluto produced by Holoeye in Germany through the computer. The specification of this phase-type spatial light modulator is 1920×1080 pixels, and the pixel pitch is 8 μm. The light source is monochromatic green light with a wavelength of 532nm emitted by a monochromatic laser. After the light emitted by the spatial light modulator passes through the dichroic prism, it passes through a filter system composed of two lenses and a diaphragm, such as Figure 4 , f 1 =f 2 =10cm, the size of the...
Embodiment 2
[0101]The target complex amplitude is decomposed into two channel information according to the amplitude distribution and phase distribution, which is used as the input of the neural network. And use the same method to process the training data set to train the ResNet network structure, and the target output is the phase holographic encoding result. After the phase-type holographic encoding result is obtained through network calculation, it is loaded onto the phase-type spatial light modulator Holoeye Pluto produced by Holoeye in Germany through the computer. The specification of this phase-type spatial light modulator is 1920×1080 pixels, and the pixel pitch is 8 μm. The light source is monochromatic green light with a wavelength of 532nm emitted by a monochromatic laser. After the light emitted by the spatial light modulator passes through the dichroic prism, it passes through a filter system composed of two lenses and a diaphragm, such as Figure 4 , f 1 =f 2 =10cm, the...
Embodiment 3
[0104] The target complex amplitude is decomposed into two complex amplitude distributions with the same amplitude distribution and different phase distribution, which are used as the input of the neural network. And use the same method to process the training data set to train the ResNet network structure, and the target output is the phase holographic encoding result. After the phase-type holographic encoding result is obtained through network calculation, it is loaded onto the phase-type spatial light modulator Holoeye Pluto produced by Holoeye in Germany through the computer. The specification of this phase-type spatial light modulator is 1920×1080 pixels, and the pixel pitch is 8 μm. The light source is monochromatic green light with a wavelength of 532nm emitted by a monochromatic laser. After the light emitted by the spatial light modulator passes through the dichroic prism, it passes through a filter system composed of two lenses and a diaphragm, such as Figure 4 , ...
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