| Holographic Image
Digitization |
| • Vibration insensitive image-based
approach. | • Achieving interferometric accuracy. |
| Photogrammetric
Digitization of Holographic Image Views Reconstructed
from Reflection Holograms [20] |
| • Ability to use widespread equipment and
software; | • Improving Digital 3D models precision and
detail; |
| • Suitable for large holograms &
holographic stereograms; | • Standardize positioning conditions for
hologram recording; |
| • Cost effective. | • Vignetting during photographing. |
| HoloGraphics
for Digitization of Distorted Holographic Image Views
Reconstructed from Reflection Holograms [61,62] |
| • It was developed for combination with
computer graphics. | • Efficient coupling between spatial light
modulators (SLMs) and analog holograms. |
| Digitization of
Volumetric Holographic Image by Holographic Topometry
[63–70] |
| • Digitizes off-axis hologram images. | • Axial digitization of reflection
holograms. |
| Digital Holographic
Digitization |
| • Diffraction-limited wavefront-based
approach; | • The need for aperture synthesis and data
fusion; |
| • Interferometric detailing. | • Expanding wavelength-limited phase dynamic
range. |
| Light-in-Flight
Digital Holography [74–76] |
| • Extracting shape information from
light’s time-of-flight. | • First practical implementation. |
| Object
Wavefront’s Digitization by Lensless Fourier
Synthetic Aperture Digital Holography [71,72] |
| • 3D models from digital holograms by numerical
reconstruction. | • Minimizing sensitivity to vibrations. |
| Microscopic
Digitization of the Diffractive Structure of an
Off-axis Hologram [73] |
| • Using microscopy to digitize diffractive
structures; | • Increasing the FOV of the scanning
microscope. |
| • Efficient way to separate signals in the
frequency domain [93]. | |
| Digitized
Holography [94–96] |
| • Real objects shape digitization for CGH; | • Digitization of the content of analog
holograms; |
| • Digital processing of real object’s
shape data. | • Minimization of a
vergence–accommodation conflict. |
| Computer Holographic
Computations |
| • Using numerical calculations to obtain CGH
models; | • Obtaining 3D-image quality on par with
classic holograms; |
| • 3D models: virtual and digitized from real
objects. | • Optimizing SLM size and pixel count. |
| Holographic
Wavefront Printing [77–80] |
| • Volumetric holograms recording from CGH
models; | • Simplification of methods for diffraction
calculation; |
| • Exact depth representation. | • Reducing coding noise and wavefront
degradation. |
| Fringe Printing
[81,82] |
| • Referenceless thin hologram recording from
CGHs models; | • Simplification of methods for diffraction
calculation; |
| • Allows fabrication of thin transmission
holograms. | • Implementation of color selectivity. |
| Holographic
Stereogram Printing [84,85,87,89,90] |
| • Eligible for volumetric hologram
recording; | • Encoding the information about object
shape; |
| • Easy and fast calculations. | • Improvement of depth representation. |