METHOD FOR OPTIMIZING HOLOGRAPHIC DISPLAY AND DEVICE THEREFOR
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United States of America
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Issued Date -
Mar 13, 2025
app pub date -
Jun 28, 2022
filing date -
Jun 28, 2022
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Abstract
Provided are a method and apparatus for optimizing a holographic display. The holographic display back-propagates target field data including generating a predicted hologram by a plurality of planes in a depth direction to a complex plane of a space light modulator (SLM), converts the predicted hologram into a binary hologram, generates predicted field data by forward-propagating the binary hologram to a reproduction plane through an optical system simulation model, calculates a loss function between the predicted field data and the target field data, generates a new predicted hologram for the predicted field data by using a stochastic gradient descent (SGD) method to reduce a value of the loss function, and repeats the generation of the new predicted hologram until the value of the loss function is less than a predefined threshold.
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