Abstract
Reconstruction the computer generated Fresnel hologram of complex 3D object
based on compressive sensing (CS) is presented. The hologram is synthesized from a
color image and the depth map of the 3D object. With the depth map, the intensity of
the color image can be divided into multiple slices, which satisfy the condition of
the sparsity of CS. Thus, the hologram can be reconstructed at different distances
with corresponding scene focused using the CS method. The quality of the recovered
images can be greatly improved compared with that from the back-propagation method.
What's more, with the sub-sampled hologram, the image can be ideally reconstructed
by the CS method, which can reduce the data-rate for transmission or storage.
© 2014 Chinese Optics Letters
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