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Complex-Amplitude Holographic Projection With a Digital Micromirror Device (DMD) and Error Diffusion Algorithm
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DOI：10.1109/JSTQE.2020.2996657.png)
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Abstract
En 中文
Conventionally, a digital micromirror device (DMD) can only perform binary amplitude modulation of a light field. Simultaneous amplitude and phase modulation with a DMD is achieved by our proposed error diffusion scheme with a 4f double-lens setup for the first time. The DMD pixels are encoded by adaptive global optimization of binarization errors. In holographic projection, the object image can be optically reconstructed from a complex-amplitude hologram with this scheme. Experimental results show that our proposed error diffusion scheme outperforms the previous superpixel scheme in terms of the image quality and light efficiency of holographic reconstruction results under the same conditions.
Keywords:
Displays
holography
image processing
image reconstruction
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