Under-sampling hologram compression holographic multi-scale self-focusing reconstruction method and system
A hologram and self-focusing technology, applied in the field of digital holography, can solve the problems of high storage capacity and bandwidth, no self-focusing ability, lack of compression sampling process, etc., to ensure reconstruction quality, overcome twin image interference and lack of self-focusing ability. Effect
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[0047] In order to further illustrate the features of the present invention, please refer to the following detailed description and accompanying drawings of the present invention. The accompanying drawings are for reference and description only, and are not intended to limit the protection scope of the present invention.
[0048] like Figure 1 to Figure 2 As shown, this embodiment discloses a method for multi-scale self-focusing reconstruction of subsampled hologram compression hologram, including the following steps S1 to S2:
[0049] S1. Perform down-sampling operation on the hologram generated by the object irradiated by the light source to obtain the down-sampled hologram;
[0050] S2. Based on the TwIST algorithm, reconstruct the downsampled hologram to obtain a reconstruction result.
[0051] It should be noted that, in view of the lack of compressed sampling process and lack of self-focusing ability in the existing twin image-free holographic method (TIFH-CS), this e...
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